As we know that :
[tex]\begin{gathered}\large{\boxed{\sf{P \: = \: \dfrac{1}{f}}}} \\ \\ \rightarrow {\sf{P \: = \: \dfrac{1}{-25}}}\end{gathered}[/tex]
Power, is in Meter. So divide focal length by 100
[tex]\begin{gathered}\rightarrow {\sf{P \: = \: \dfrac{1}{\dfrac{-25}{100}}}} \\ \\ \rightarrow {\sf{P \: = \: \dfrac{-100}{25}}} \\ \\ \rightarrow {\sf{P \: = \:- 4}} \\ \\ \underline{\sf{\therefore \: Power \: of \: Concave \: lens \: is \: - \: 4D}}\end{gathered}[/tex]
An experience that forces an individual to confront an existential issue is known as a?
An experience that forces an individual to confront an existential issue is known as a boundary situation in this type of context.
What is Boundary situation?
This type of situation is characterized by negative consequences which the individual tries to escape from in an unfruitful attempt. It usually makes the individual feel like it can't be overcome and is also likely to enter deep into the crisis.
This experience forces an individual to confront an existential issue so as to prevent it from escalating into a very difficult position and to promptly address the situation through employing different types of techniques. This ensures that a reoccurence doesn't come up in this type of situation.
This is therefore the reason why boundary situation was chosen as the most appropriate choice.
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though its economics question can anybody help me
A laboratory experiment produces a double-slit interference pattern on a screen. If the screen is moved farther away from the slits, the fringes will be.
The fringes will be farther apart
The width of the centre maxima on a screen is twice the distance between the dark fringes on either side at a distance L away: The pattern of light spreads out as you get further away from the screen (bigger L). The pattern of light widens as the hole gets smaller (smaller a).
What is Double slit experiment ?The double-slit experiment involves directing a beam of light at a wall that has two vertical slits. The pattern that results from the light passing through the slits is captured on a photographic plate. A single line of light is seen when one slit is covered, aligned with the open slit.
In essence, waves passing through two closely spaced, parallel slits produce an interference pattern on a screen. Everyone should know this. This is true for all types of waves sound wave, light wave etcLearn more about Double slit experiment here:
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Calculate the cardiac output if your heart rate is 90 bpm and diostolic volume is 120 ml and in systolic volume is 30 ml.
The cardiac output is 180ml/min.
What is Stroke volume(SV)?
Stroke volume is the volume of blood pumped out of the left ventricle of the heart during each systolic cardiac contraction.SV = End diastolic volume (EDV) - End systolic volume (ESV)
SV = 120ml - 30ml
SV = 90ml
What is Cardiac Output?
Cardiac output (CO) is the blood volume the heart pumps through the systemic circulation over a period measured in litres per minute.CO = Stroke volume(SV) x Heart rate (HR)
CO = 90ml x 90bpm
CO = 180ml/min
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1- name the three things that must be present for a fire to exist. 2- water extinguishes fires in three ways. Name them. 3- there are two general types of hazards. Name them. 4- define each of the following characteristics of materials and tell each is important in industrial safety a. Flash point b. Flame point c. Ignition point d. Vapor pressure e. Specific gravity f. Evaporation rate g. Melting point h. Viscosity i. Boiling point.
1. Oxygen, heat, and fuel
These three things that must be present for a fire to exist.
2. (a) In order to put out the fire, it achieves this by removing the heat from it.
(b) Water can also be used to separate the fire from the oxygen source.
(c) It smothers it, preventing it from igniting more airborne oxygen.
Water extinguishes fires in these three ways.
3. (a)physical hazard
(b)chemical hazard
4.(a) If a liquid's flash point is lower than 60°C, it is regarded as flammable.
Regarding the security of spill cleaning activities, flash point is a crucial consideration.
When spilled, gasoline and other light fuels pose a considerable risk since they can ignite in the majority of ambient conditions.
(b) If your material's label contains a flame symbol, it means the substance is combustible, and you should review your SDS to learn more about the dangers and risks associated with using the substance.
(c) the lowest temperature at which combustible material ignites in air and continues to burn when heated (as in a bath of molten metal)
(d) The pressure that a vapor exerts on its condensed phases (solid or liquid) in a closed system at a specific temperature is known as vapor pressure.
(e) The difference between an object's density and that of a standard substance is its specific gravity.
Depending on its value, the specific gravity might indicate whether an object will float or sink in our reference substance.
(f) The ratio of the time needed to evaporate a test solvent to the time needed to evaporate the reference solvent under the same circumstances is the evaporation rate.
The findings can be stated as a relative rate, the percentage that evaporated within a given time frame, or the length of time needed to evaporate a given volume.
(g) The temperature at which a specific solid material melts, or transitions from a solid state to a liquid, is known as the melting point.
(h) The resistance of a fluid (liquid or gas) to a change in shape or motion of adjacent sections relative to one another is known as viscosity. Viscosity is a sign of flow resistance.
(i) The boiling point of a liquid is the temperature at which the pressure of the liquid's vapor equals the pressure of its surroundings.
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When energy is transferred between earth's system, some energy is lost to the surroundings in the form of _____________________. (select all that apply)
When energy is transferred between earth's system, some energy is lost to the surroundings in the form of
-light
-movement
-heat
-vibration
What is energy in earth's system?Only a few factors account for the majority of the energy in the Earth system: solar energy, gravity, radioactive decay, and the rotation of the Earth. Many surface processes, including winds, currents, the hydrologic cycle, and the entire climate system, are powered by solar energy. Rivers and other materials flow downhill due to gravity, which also causes tides (due to the Moon's gravitational pull). The Earth's interior is heated by radioactive decay, while air and water currents are influenced by the forces of rotation.
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Two planets, john and mary, are identical in density and temperature, but mary is larger in size (radius) than john. which planet is likely to have a more substantial atmosphere?
Two planets, john and mary, are identical in density and temperature, but mary is larger in size (radius) than john. Mary will have more substantial atmosphere because mary is larger in size .
A substantial atmosphere is one dense enough to significantly affect the surface
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.
The thickness of a planet's atmosphere depends on the planet's gravity and the temperature of the atmosphere. A planet with weaker gravity does not have as strong a hold on the molecules that make up its atmosphere as a planet with stronger gravity.
As the planet grows in size, its mass and therefore gravity increases, allowing it to capture not only the accumulated dust and rocks, but also the gas, which forms an atmosphere.
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The obsessive disinhibition form of a craving is the result of dysfunction in the ___________ neurotransmitter.
a. gaba
b. 5ht
c. da
d. op
The obsessive disinhibition form of a craving is the result of dysfunction in the 5ht neurotransmitter.
5HT neurotransmitter:One of the major neurotransmitters in mammals' nervous systems is 5-HT (also known as serotonin), which is well known for modulating key aspects of daily living like mood, sleep, social behaviors, learning, and appetite (Barnes and Sharp, 1999; Gingrich and Hen, 2001; Canli and Lesch, 2007).
The central and peripheral nervous systems contain a variety of G protein-coupled receptors and ligand-gated ion channels known as 5-HT receptors, 5-hydroxytryptamine receptors, or serotonin receptors. Both excitatory and inhibitory neurotransmission is mediated by them.
5-HT produces only inhibitory effects on excitatory or inhibitory transmission in the bed nucleus of the stria terminalis (BNST) [16] and the periaqueductal grey (PAG).
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An object moving in the x direction experiences an acceleration of 2.0 m/s2. this means the object (a) travels 2.0 m in every second. (b) is traveling at 2.0 m/s. (c) is decreasing its velocity by 2.0 m/s every second. (d) is increasing its velocity by 2.0 m/s every second.
(d) is increasing its velocity by 2.0 m/s every second.
An acceleration of 2 m/s² means that the object is is increasing its velocity by 2.0 m/s every second.
What is an acceleration?The rate at which an object's velocity changes over a predetermined period of time is referred to as its acceleration. Acceleration is mathematically defined as an object's change in velocity divided by the amount of time it took for that change to occur.
[tex]Acceleration = \frac{change in velocity}{time}[/tex]
The positive sign of the acceleration denotes a change in velocity that is positive and growing, whereas the negative sign denotes a change in velocity that is decreasing.
Consequently, an acceleration of 2 m/s² indicates that the object's velocity is increasing by 2 m/s every second.
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option(d) is increasing its velocity by 2.0 m/s every second is the right answer.
An object moving in the x direction experiences an acceleration of 2.0 m/[tex]s^{2}[/tex] this means the object is increasing its velocity by 2.0 m/s every second.
A 2 m/[tex]s^{2}[/tex] acceleration indicates that the item is accelerating at a rate of 2.0 m/s per second.What does acceleration mean?An object's acceleration is the rate at which its velocity alters over a given amount of time. Calculating acceleration involves dividing the change in velocity of an object by the time it takes for that change to take place.
Acceleration =[tex]\frac{change in velocity}{time}[/tex]
The acceleration's positive sign indicates a change in velocity that is growing and positive, whereas the acceleration's negative sign indicates a change in velocity that is declining.
Consequently, an acceleration of 2 m/s² indicates that the object's velocity is increasing by 2 m/s every second.
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Certain car can accelerate from rest to the speed v in t seconds. if the power output of the car remains constant, (a) how long does it take for the car to accelerate from v to 2v? (b) how fast is the car moving at 2t seconds after starting
(a) time taken for the car to accelerate from v to 2v = t = [tex]\frac{2V-V}{a}[/tex]
(b) velocity of the car moving at 2t seconds = ΔV = 2at
(a) we know that,
a=[tex]\frac{V_{F}-V_{0} }{t}[/tex]
where, [tex]V_{F}[/tex] is the final velocity
[tex]V_{0}[/tex] is the initial velocity
a = acceleration
t = time
Time taken to accelerate from V to 2V:
t = [tex]\frac{2V-V}{a}[/tex]
(b) We know that,
a=[tex]\frac{V_{F}-V_{0} }{t}[/tex]
where, [tex]V_{F}[/tex] is the final velocity
[tex]V_{0}[/tex] is the initial velocity
a = acceleration
t = time
how fast is the car moving at 2t seconds after starting,
we can represent [tex]V_{F}[/tex] - [tex]V_{0}[/tex] = ΔV
at time = t= 2t, it becomes
a=[tex]\frac{V_{F}-V_{0} }{t}[/tex] = a = ΔV/2t
t= ΔV/2a
ΔV = 2at
What is acceleration?Rate of change of velocity with time, both in terms of speed and direction is known as acceleration.
What is speed?the rate at which an object's location changes in any direction. The distance traveled in relation to the time it took to travel that distance is how speed is defined. Since speed simply has a direction and no magnitude, it is a scalar quantity.To learn more about acceleration visit:
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Approximately how much air is in a column 1-cm2 in cross section that extends from sea level to the top of the atmosphere?
Approximately 101 N air is in a column 1-cm2 in cross-section that extends from sea level to the top of the atmosphere
The basic level for determining height and depth on Earth is the sea level. The ocean's surface tends to seek the same level since it is one continuous body of water. However, the sea level is never fully level due to winds, currents, river discharges, and changes in gravity and temperature.
At the equator, the radius of the Earth at sea level is 6378.137 km (3963.191 mi). At the poles, it is 6,356.752 km (3,949.903 km), and on average, it is 6,371.001 km (3,958.756 mi). The elevation of the shoreline—the boundary between the ocean and the land—is referred to as sea level. Land that is higher than this altitude is above sea level, and land that is lower is below sea level.
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At a certain point in space there is a potential of 400 v. what is the potential energy of a 2-μc charge at that point in space? group of answer choices'
The potential energy of a 2-μc charge at that point in space is [tex]8*10^{-4}[/tex] joules.
Given,
V=400v, q=2-μc=2*[tex]10^{-6}[/tex],
U(potential energy)=V*q=400*2*[tex]10^{-6}[/tex]= [tex]8*10^{-4}[/tex] joules.
Potential energyThe energy that an item retains due to its position in relation to other objects, internal tensions, electric charge, or other reasons is known as potential energy in physics. The gravitational potential energy of an object is based on its mass and the distance from the centre of mass of another object. Other common types of potential energy include the elastic potential energy of an extended spring and the electric potential energy of an electric charge in an electric field. The joule, denoted by the sign J, is the SI's definition of an energy unit.
The vectors that are described as gradients of a particular scalar function known as potential can be used to represent these forces, also known as conservative forces, at any location in space.
At a certain point in space there is a potential of 400 v. what is the potential energy of a 2-μc charge at that point in space? group of answer choices'
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What is the focal length (in meters) of a lens whose radius of curvature is 9. 2 m and has a refractive index 1. 2?
The focal length (in meters) of a lens whose radius of curvature is 9. 2 m and has a refractive index 1.2 will be 18.4 m
The focal length of a lens is determined when the lens is focused at infinity. Lens focal length tells us the angle of view—how much of the scene will be captured—and the magnification—how large individual elements will be.
Focal length of a lens is the distance between center of lens and focal point . Focal point is a point on principal axis , at which light rays parallel to principal axis meet after refraction through lens or seem to meet after refraction .
The radius of curvature is the radius of sphere formed by the convex or concave mirror. It is also equal to the distance between the pole and center of curvature. The sign convention for focal length and radius of curvature is the same.
focal length = 2 * radius of curvature
given
radius of curvature = 9.2 m
focal length = 2 * 9.2
= 18.4 m
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When the magnetic flux through a loop changes, which is always true about the induced current?
The magnetic flux linked with the conductor will always changes is true for the induced current, if it produces a magnetic field that opposes the change in the existing magnetic field.
To find the answer, we have to know more about the Electromagnetic induction.
What is Faraday's law of Electromagnetic induction?According to Faraday's law of EMI, an electromotive force is always created when a conductor is exposed to a fluctuating magnetic field.Induced current is the term used to describe the current that results from a closed conductor circuit.The rate of change of the flux linkage determines the amount of induced emf in a coil. The polarity of the induced emf is such that, according to Lenz's law, it tends to produce a current that opposes the change in magnetic flux that caused it.Thus, we can conclude that, the magnetic flux linked with the conductor will always changes is true for the induced current, if it produces a magnetic field that opposes the change in the existing magnetic field.
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A student performs an experiment and must measure the lengths of four different objects: a textbook, a pencil, a cup, and a piece of bread. which would be the most appropriate unit of measurement for her to use? kilometer meter centimeter micrometer
Centimeter is the right answer.
When a student performs an experiment and must measure the lengths of four different objects: a textbook, a pencil, a cup, and a piece of bread, centimeter would be the most appropriate unit of measurement for her to use.
The other units are either too small or too big to use for the measurement of the given objects.
KilometerOn considering kilometer we usually use the kilometer unit of measurement for the measurement of distance.
MeterConsidering meter, we can tell that 1 meter = 100 centimeters which is also more when measuring the above given objects.
MicrometerMicrometer is very small to measure the above mentioned objects.
The micrometer is a commonly used unit of measurement for infrared radiation wavelengths, bacterial and biological cell sizes, and for classifying wool according to the diameter of the fibers.
So hence on comparing all the units we can conclude that centimeter is the appropriate unit of measurement to measure a textbook, a pencil, a cup, and a piece of paper.
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What are the differences between neap tides and spring tides? select all that apply.
Spring tides have higher high tides and lower low tides while on the other hand, neap tides are the tides that have lower high tides and higher low tides.
What are the differences between neap tides and spring tides?Spring tides are the type of tides in which higher high tides and lower low tides are present while on the other hand, neap tides are the tides that have lower high tides and higher low tides. The range of difference in water level between high and low tide is more larger in a spring tide as compared to neap tides.
So we can conclude that Spring tides have higher high tides and lower low tides while on the other hand, neap tides are the tides that have lower high tides and higher low tides.
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Approximately what is the smallest detail observable with a microscope that uses ultraviolet light of frequency 1. 72 x 1015 hz? provide the solution: __________ x 10-7 m
The wavelength, which represents the size of the smallest detectable detail that uses ultraviolet light , is calculated as follows: 3×[tex]10^{8}[/tex] / 1.72×[tex]10^{15}[/tex] or approximately 1.74×[tex]10^{-7}[/tex]m.
The distance between the two positive, two negative, or two minimal points on the waveform is known as the wavelength of the wave. The following formula expresses the relationship between the frequency and wavelength of light:
f = c / λ
where, f = frequency of light
c = speed of light
λ = wavelength of light
Given data = f = 1.72×[tex]10^{15}[/tex]Hz
Therefore, λ = 3×[tex]10^{8}[/tex] / 1.72×[tex]10^{15}[/tex]
λ = 1.74×[tex]10^{-7}[/tex]m
The wavelength, which represents the size of the smallest detectable detail that uses ultraviolet light , is calculated as follows: 3×[tex]10^{8}[/tex] / 1.72×[tex]10^{15}[/tex] or approximately 1.74×[tex]10^{-7}[/tex]m.
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differentiate a dependent variable and an independent variable
Answer:
The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect. Its value depends on changes in the independent variable.
hope this helps you
Physics question (All the filled in parts are correct) Please help and include explanation with answer. Thanks!
Based on the information provided, we can infer and logically deduce the following salient points and parameters:
Height of water slide (Adjacent) = 15.0 meters.Length of water slide (Hypotenuse) = 20.0 meters.This ultimately implies that, the horizontal distance covered by this water slide represents the opposite side of a right-angled triangle and as such we would apply Pythagorean theorem.
Mathematically, Pythagorean theorem is given by this formula:
c² = a² + b²
Where:
h is the hypotenuse of a right-angled triangle.a is the adjacent side of a right-angled triangle.b is the opposite side of a right-angled triangle.Substituting the given parameters into the formula, we have;
20.0² = 15.0² + b²
b² = 20.0² - 15.0²
b² = 400.0 - 225.0
b² = 175.0
b = √175.0
b = 13.23 meters.
Thus, we would apply sine trigonometry to determine the magnitude of the first complimentary angle (θ₁) formed by this right-angled triangle:
Sinθ₁ = Opp/Hyp
Sinθ₁ = 13.23/20.0
Sinθ₁ = 0.6615
θ₁ = sin⁻¹(0.6615)
θ₁ = 41.41°.
How to calculate the angle?We know that θ is the angle formed between the water slide and the horizontal plane. Thus, we would determine the magnitude of this second complimentary angle (θ₂):
θ = θ₁ + θ₂
90° = 41.41° + θ₂
θ₂ = 90° - 41.41°
θ₂ = 48.59°.
From the above, we have:
Sinθ₂ = Sin(48.59) = 0.75.
Cosθ₂ = Cos(48.59) = 0.66.
Tanθ₂ = Tan(48.59) = 1.134.
How to determine the magnitude of Eric's weight?Mathematically, the weight of a physical body (object) can be calculated by using this formula:
Weight = mg
Weight = mass × acceleration due to gravity
Weight = 40.0 × 9.8
Weight = 392 Newton.
How to determine the magnitude of the normal force?Mathematically, the magnitude of the normal force Eric receives from the water slide is given by:
Normal force = mgcosθ
Normal force = 40.0 × 9.8 × cos(48.59)
Normal force = 392 × 0.66
Normal force = 258.72 Newton.
How to determine the magnitude of the normal force?Mathematically, the magnitude of the normal force Eric gives the water slide is given by:
Normal force, Fₙ = mgcosθ
Normal force, Fₙ = 40.0 × 9.8 × cos(48.59)
Normal force, Fₙ = 392 × 0.66
Normal force, Fₙ = 258.72 Newton.
How to determine the gravitational force component?Mathematically, the magnitude of his gravitational force's component parallel to the water slide is given by:
F = Wsinθ = mgsinθ
F = 40.0 × 9.8 × sin(48.59)
F = 392 × 0.75
F = 294 Newton.
How to calculate the friction force?Mathematically, the magnitude of the friction force between Eric and the water slide is given by:
Fs = μ_s(Fₙ)
Fs = 0.10 x 258.72 N
Fs = 25.872 Newton.
How to calculate Eric's acceleration?First of all, we would determine the net force acting on Eric?
F(net) = F - Fs
F(net) = 294 - 25.872
F(net) = 268.13 Newton.
From Newton's second law of motion, acceleration is given by this formula:
Acceleration = Net force/Mass
Acceleration = 268.13/40.0
Acceleration = 6.70 m/s².
How to calculate Eric's speed?In this scenario, we would calculate Eric's speed by using the third equation of motion:
V² = U² + 2aS
V² = 0² + 2(6.70)(20.0)
V² = 268
V = √268
V = 16.37 m/s.
At least, the superman has to apply the following force to prevent Emily from sliding:
Force = Weight - Normal force
Force = 392 - 258.72
Force = 133.28 Newton.
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heat = 80J light = 119J sound = 1J electricity = 200J what form of energy is transferred as waste energy by the television set?
The form of energy that is transferred as waste energy by the television set is heat energy (80 J).
Waste energy by the television setBased on the law of conservation of energy, energy can neither be created nor destroyed but can be converted from one form to another.
Useful energy supplied to television setThe useful energy supplied to television set is calculated as follows;
= 119 J + 1 J = 120 J
Waste energyThe wasteful energy of the television set is calculated as follows;
= 200 J - 120 J = 80 J
Thus, the form of energy that is transferred as waste energy by the television set is heat energy (80 J).
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Calculate the amount of extension of a spring with a spring constant of 3 kN/m, if the amount of work done in extending it is 35 N. Give your answer in m.
The extension of the spring is 4.83 m, if work done is 35 Newton and spring constant is 3 k N/m.
The spring constant, k, is a measure of the stiffness of the spring. it's far one of a kind for unique springs and materials. the larger the spring regular, the stiffer the spring and the greater.
Spring constant of 3 k N/m,
The amount of work done in extending is 35 N
WORK DONE by spring force = 1/2 k X²
⇒0.5 * 3 * X²
35 N = 0.5 * 3 * X²
X² = 35/1.5
x = [tex]\sqrt{23.33}[/tex]
X = 4.83 m
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The extension of the spring is can be found out by using the Work Done due to extension in Spring Constant K. The extension in the spring is 4.83m.
The spring constant, k, is a measure of the stiffness of the spring. It is for springs and materials which measures the ratio of force that affects the spring and the displacement caused by the force action.
Spring constant depends on the stiffness of the spring, wire thickness, number of turns in wound coil, length of spring and diameter of the coil.
Given:
Spring constant = 3000 N/m
Work Done in extension= 35 N
Let the extension in spring by x.
∴ Work Done by spring force = 1/2 kx²
Work done = 0.5 × 3 × x²
⇒ 35 N = 0.5 × 3 × x²
⇒ x² = 35/1.5
⇒ x = 4.83m
Hence, the extension of spring is 4.83m.
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If the partial pressure of nitrogen in the human body is approximately 593 mm hg at sea level, the partial pressure of nitrogen cannot be ______________ in a scuba diver that is at a depth of 30 feet.
If the partial pressure of nitrogen in the human body is approximately 593 mm hg at sea level, the partial pressure of nitrogen cannot be 760mm Hg in a scuba diver that is at a depth of 30 feet.
Nitrogen narcosis :
The partial pressure of nitrogen increases with pressure, which produces a narcotic effect. Nitrogen narcosis affects both scuba divers and free divers. It causes depression of the central nervous system, which leads to feelings of euphoria, disorientation and irrational behavior. Divers need to consider absorption rates of different gases in order to avoid conditions such as nitrogen narcosis, and decompression sickness.
What is the partial pressure of the nitrogen?
Therefore, at sea level, where atmospheric pressure is known to be 760 mm Hg, the partial pressures of the various gases can be estimated to have partial pressures of approximately 593 mm Hg for nitrogen, 160 mm Hg for oxygen, and 7.6 mm Hg for argon.
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A ventilation fan with a moment of inertia of 0.034 kg×m2 has a net torque of 0.11 n×m applied to it. if it starts from rest, what kinetic energy will it have 8.0 s later?
kinetic energy 8.0 s later will be 11.35 joules
Given:
inertia,I=0.034kgm²
torque,τ=0.11nm
time,t=8.0s
To find:
kinetic energy,KE
we can find the kinetic energy by using
[tex]k = \frac{1}{2} iω {}^{2} [/tex]
so firstly we will find ω by finding α
α=τ/I
α=0.11/0.34
=3.23
then we find ω
ω=α×t
=3.23×8
=25.84
[tex]k = \frac{1}{2}iω {}^{2} [/tex]
k=1/2×0.34×(25.84)2
=1/2×22.70
k=11.35
so kinetic energy is 11.35 joules
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Suppose that this year a small country has a gdp of $100 billion. also assume that ig = $30 billion, c = $60 billion, and xn = − $10 billion. what is the value of g?
The government expenditure is $20 billion.
To find the answer, we have to know about the Gross Domestic Product.
How to find the government expenditure?The value of all the finished goods and services produced in an economy over the course of a year is determined by the gross domestic product, a macroeconomic metric Gross Domestic Product.Using the output approach, the gross domestic product is determined as follows:
[tex]GDP=C+I_g+G+X_n[/tex]
Where: C is conception, Ig is the gross investment, G is government expenditure, and Xn is the net exports.
Thus, the value of G is,[tex]G=GDP-C-I_g-X_n\\G=100-60-30+10=20 billion-dollers.[/tex]
Thus, we can conclude that, the government expenditure is $20 billion.
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We can record images of people on film because of the work of which of the
following scientists?
A. Christian Doppler
B. Ibn al-Haytham
C. Sir Isaac Newton
D. Galileo Galilei
From the core concept introduced by Al-Haytham, modern cameras are created.
To find the answer, we have to know about the Camera Obscura.
What is Camera Obscura?Al-Haytham Ibn "The father of modern optics," so called, significantly improved the understanding of optics and, more specifically, visual perception. Ibn Al-Haytham mostly observed a partial solar eclipse using a camera obscura.Camera or Obscura is a dim area with the appearance of a box with a hole in one of the sides. The hole must be tiny enough to keep the light that entered it from the top.A picture of the surface it touches was produced as light entered the tiny hole ( as an example- the wall of the box). The image is frequently upside down and mirrored. Thus, the image was reversed. However, it was still able to record the colors of any item in front of it. And gradually, contemporary cameras are made from that fundamental idea.Thus, we can conclude that, from the core concept introduced by Al-Haytham, modern cameras are created.
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The two articles you just read contain conflicting conclusions. What questions do you have about the information
presented in the articles? Maybe there's something you would like to know more about before making your own
conclusion. Or perhaps there's an item that was presented as a fact that you would like to investigate. Before you
make your conclusion about human involvement in climate change, list four to five questions that you would like
answered.
The five questions that I would like to be answered concerning human involvement in climate change would be disclosed below.
What is climate change?Climate change is defined as the change that affects the normal atmospheric patterns which is often related to the activities of the human and their environment.
The five questions that I would like to be answered concerning human involvement in climate change include the following:
Is climate change caused by humans? What are the main threats of climate change? How is climate change affecting animals? How is climate change affecting people? How is climate change affecting the ocean?From the definition, climate changes with respect to the activities of human beings. Such activities include the following:
Burning fossil fuels, cutting down forests,Fertilisers containing nitrogen,Fluorinated gases, andIncreased farming of livestock.Learn more about climate change here:
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A small sports car collides head-on with a massive truck. The greater impact force (in magnitude) acts on? a) the car, b) the truck, c) neither, the force is the same on both
The greater impact force (in magnitude) acts on a) the car
Since , both the objects that is the car and a massive truck is coming and colliding with a certain speed , which means they are acquiring some momentum because of mass and speed , since they are coming with certain momentum when collided must have impacted each other.
Momentum is the measure of product of mass and velocity , if both of them are coming with same velocity then total dependency of impact will be on their masses , since truck is massive and car is small sports car , that means truck must have greater mass than the car , hence the greater impact force act on a) the car
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If a disk rolls smoothly down a ramp, how is its acceleration related to its angular acceleration?
If a disk rolls smoothly down a ramp, the acceleration is related to its angular acceleration in such a way that It is equal to the product of the angular acceleration to the radius of the disk.
Linear acceleration is defined as the uniform acceleration caused by a moving body in a straight line. There are three equations that are important in linear acceleration depending upon the parameters like initial and final velocity, displacement, time and acceleration.
Angular Acceleration is defined as the time rate of change of angular velocity. It is usually expressed in radians per second per second. Thus, α = d ω/ d t. The angular acceleration is also known as rotational acceleration.
Its equal to the product of the angular acceleration to the radius of the disk.
This equation mean that linear acceleration and angular acceleration are directly proportional. The greater the angular acceleration is, the larger the linear (tangential) acceleration is, and vice versa.
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Onsidering light at the two ends of the visible light spectrum, violet light has a _____ wavelength and a _____ photon energy than red light
Considering light at the two ends of the visible light spectrum, violet light has a shortest wavelength and a highest photon energy than red light
In visible light spectrum wavelength of violet light is 380 nm to 450 nm whereas wavelength of red light is 620 nm to 750 nm.
The increasing order of visible light spectrum i.e. VIBGYOR is Violet > Indigo > Blue > Green > Yellow > Orange > Red .
When we discuss about the photon energy of Violet Light, it is 2.85 ev to 3.26 ev and the photon energy of Red Light is 1.65 ev to 2.00 ev
V- Violet- shortest wavelength with highest energy
R- Red- highest wavelength with minimum energy
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The ___________________theory explains the formation of our solar system from a mass of gas, ice, and dust particles.
The Nebular theory explains the formation of our solar system from a mass of gas, ice, and dust particles.
The Nebular theory is basically a theory for how the solar system formed, one that suggests that the Sun and planets were once part of a spinning nebula of gas and dust. The in-depth theory outlining how a cloud of interstellar gas and dust gave rise to our solar system.The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system consisting of a star with orbiting planetsLearn more about The Nebular theory from here:https://brainly.com/question/25108783
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