The schematic diagram below shows an induction cooktop being used to heat water in a steel pan.



Which of the following best explains how the water is heated?

A
The ceramic top plate heats up as the magnetic field transfers heat energy directly to the top plate. The pan and water are then heated by conduction.

B
The current from the coil is transferred by means of the magnetic field to the pan. The pan then induces a current in the water, which heats due to resistance.

C
The copper coil heats up as it resists the electric current. This heat is then transferred by convection through the ceramic cooktop and pan to the water.

D
The steel pan heats up as it resists the induced movement of electrons caused by the changing magnetic field. The water is heated by conduction.

Chyme is a semi-liquid paste that results from the mixing of partially digested food with gastric juice in the stomach.

When food enters the stomach, the gastric gland releases gastric juice, which the stomach's muscular wall thoroughly stirs into the meal. Chyme is the term for partially digested food that contains gastric juice.

Only a small amount of chyme is released into the small intestine at a time. The movement of chyme from the stomach into the small intestine is regulated by the pyloric sphincter.

In contrast, chyle is a milky body fluid made up of lymph and free fatty acids that have been emulsified (FFAs). While roughage refers to the inorganic fibre included in food, it is generated in the small intestine after the breakdown of fatty foods and taken up by lymph channels specifically known as lacteals.

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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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Answer:

Book. Bottle. table are some examples of objects in equilibrium found in classroom

The cardiac output is 180ml/min.

What is Stroke volume(SV)?

SV = End diastolic volume (EDV) - End systolic volume (ESV)

SV = 120ml - 30ml

SV = 90ml

What is Cardiac Output?

CO = Stroke volume(SV) x Heart rate (HR)

CO = 90ml x 90bpm

CO = 180ml/min

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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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Possible beat frequencies with tuning forks of frequencies 255, 258, and 260 Hz are 2, 3 and 5 Hz respectively.

The beat frequency refers to the rate at which the volume is heard to be oscillating from high to low volume. For example, if two complete cycles of high and low volumes are heard every second, the beat frequency is 2 Hz. The beat frequency is always equal to the difference in frequency of the two notes that interfere to produce the beats. So if two sound waves with frequencies of 256 Hz and 254 Hz are played simultaneously, a beat frequency of 2 Hz will be detected. A common physics demonstration involves producing beats using two tuning forks with very similar frequencies. If a tine on one of two identical tuning forks is wrapped with a rubber band, then that tuning forks frequency will be lowered. If both tuning forks are vibrated together, then they produce sounds with slightly different frequencies. These sounds will interfere to produce detectable beats. The human ear is capable of detecting beats with frequencies of 7 Hz and below.

A piano tuner frequently utilizes the phenomenon of beats to tune a piano string. She will pluck the string and tap a tuning fork at the same time. If the two sound sources - the piano string and the tuning fork - produce detectable beats then their frequencies are not identical. She will then adjust the tension of the piano string and repeat the process until the beats can no longer be heard. As the piano string becomes more in tune with the tuning fork, the beat frequency will be reduced and approach 0 Hz. When beats are no longer heard, the piano string is tuned to the tuning fork; that is, they play the same frequency. The process allows a piano tuner to match the strings' frequency to the frequency of a standardized set of tuning forks.

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The angle between the transmission axes of the polarizers if it is desired that one-tenth of the incident intensity be transmitted, ∝ = 63.435°

We'll assume that [tex]I_{0}[/tex] represents the incident light's intensity. Two polarizers are provided to us, but the first polarizer's angle is not disclosed. The incident light in situations like this needs to be unpolarized. This is due to the fact that, regardless of angle, the transmitted intensity via the polarizer is reduced by half for unpolarized light:

[tex]I_{1} =\frac{1}{2} I_{0}[/tex]

Then,

[tex]I_{2} =\frac{1}{10} I_{0}[/tex]

By using Malu's law,

[tex]I_{2} =I_{1} cos^{2} \alpha[/tex]

That is,

[tex]cos^{2} \alpha = \frac{I_{2} }{I_{1} }[/tex]

In terms of [tex]I_{0}[/tex], we get

[tex]cos^{2} \alpha =\frac{0.1I_{0} }{0.5I_{0} }[/tex]

[tex]cos^{2} \alpha = 0.2[/tex]

Now the angle is,

[tex]cos\alpha =\sqrt{0.2}[/tex]

cos ∝ = 0.44721

[tex]\alpha =cos^{-1} (0.44721)[/tex]

Then, ∝ = 63.435°

This angle is measured with respect to the first polarizer angle.

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A Capacitor is a device consisting of two conductors that can be charged with equal and opposite charges, separated by a thin insulator.

According to principle of a capacitor, capacitor is a system of conductors or dielectric.

If there is a single conductor, it cannot holds very much current then its potential reaches to its maximum values and it cannot hold more charge.

If we place another conductor near it, its potential becomes low and it is able to store more charge.

We know from the definition of the capacitor, A capacitor is a two-terminal electrical device that possesses the ability to store energy in the form of an electric charge. It consists of two electrical conductors that are separated by a distance.  

Capacitors store energy by holding apart pairs of opposite charges. The simplest design for a capacitor is a parallel plate capacitor.

Therefore, this device is called a capacitor.

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The military time corresponding to 3:00p.m is 1500, and it is pronounced as fifteen hundred hours.

To find the answer, we have to know more about the Military time.

Thus, we can conclude that the option B is right.

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In comparison to a vacuum, the speed of light in glass is 1.52 times slower.

To find the answer, we need to know more about the refractive index.

This implies that the speed of light is 1.52 times slower in glass than in a vacuum.

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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

The form of energy  that is transferred as waste energy by the television set is heat energy (80 J).

Based on the law of  conservation of energy, energy can neither be created nor destroyed but can be converted from one form to another.

The useful energy supplied to television set is calculated as follows;

= 119 J + 1 J = 120 J

The 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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The five questions that I would like to be answered concerning human involvement in climate change would be disclosed below.

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:

From the definition, climate changes with respect to the activities of human beings. Such activities include the following:

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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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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 government expenditure is $20 billion.

To find the answer, we have to know about the 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.

                     [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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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.

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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The obsessive disinhibition form of a craving is the result of dysfunction in the    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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(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.

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.

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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An Olympic high diver has gravitational potential energy because of her height. As she dives, kinetic energy becomes of her energy just before she hits the water.

Gravitational potential energy is the energy possessed or acquired by an object due to a change in its position when it is present in a gravitational field. In simple terms, it can be said that gravitational potential energy is an energy that is related to gravitational force or to gravity.

Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of particles.

When the high diver is standing stable and not moving , that diver has a gravitational potential energy because of the height . The moment she dives , before hitting the water , from being stationary she gained some momentum and come in motion , due to motion her gravitational potential energy will change to kinetic energy before hitting the ground.

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When conducting a hypothesis test for a given sample size, if α is increased from 0.05 to 0.10, then the probability of incorrectly rejecting the null hypothesis increases ,the probability of incorrectly failing to reject the null hypothesis decrease, the probability of Type II error decreases.

A. the probability of incorrectly rejecting the null hypothesis increases

B. the probability of incorrectly failing to reject the null hypothesis decreases

C. the probability of Type II error decreases

Higher values of α make it easier to reject the null hypothesis, so choosing higher values for α can reduce the probability of a Type II error. The consequence here is that if the null hypothesis is true, increasing α makes it more likely that we commit a Type I error.

A type 1 error is also known as a false positive and occurs when a researcher incorrectly rejects a true null hypothesis. This means that your report that your findings are significant when in fact they have occurred by chance.

hence , all the options are correct

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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).

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.

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The hydroxide ion concentration in a solution is 3.31*10^-8M.

To find the answer, we have to know more concentration of solution.

                     [tex]pH=-log[H_3O^+][/tex]

                   [tex][H_3O^+]=-10^{pH}=10^{-6.25}=5.6*10^{-7}M[/tex]

                        [tex]K_w=[H_3O^+][OH^-]\\Where,\\K_w=10^{-14}[/tex]

                         [tex][OH^-]=\frac{K_w}{[H_3O^+]} =\frac{10^{-14}}{10^{-6.52}}\\\\[/tex]

                           [tex][OH^-]=3.31*10^{-8}M[/tex]

Thus, we can conclude that, the hydroxide ion concentration in a solution is 3.31*10^-8M.

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Based on the information provided, we can infer and logically deduce the following salient points and parameters:

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:

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°.

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.

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.

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.

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.

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.

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.

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.

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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If the electric potential at a point in space is zero, then the electric field at that point must be zero.

To find the answer, we have to know about the electric field.

                       [tex]E=\frac{V}{L}[/tex]

Thus, we can conclude that, If the electric potential at a point in space is zero, then the electric field at that point must be zero.

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17.90 KJ of energy must be added to 69. 0 grams of water to change the temperature from 33°C to 95°C

Specific heat, the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree. The units of specific heat are usually calories or joules per gram per Celsius degree.

Heat added = H = mc(ΔT )

where,

H = heat

m = mass of water = 69 g

c = specific heat of water = 4.184 J/g/°C

ΔT = change in temperature

H = 69 * 4.184 * ( 95 - 33 )

H   = 17899.152 J

     = 17.90 KJ

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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.

On considering kilometer we usually use the kilometer unit of measurement for the measurement of distance.

Considering meter, we can tell that 1 meter = 100 centimeters which is also more when measuring the above given objects.

Micrometer 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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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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From the core concept introduced by Al-Haytham, modern cameras are created.

To find the answer, we have to know about the Camera Obscura.

Thus, we can conclude that, from the core concept introduced by Al-Haytham, modern cameras are created.

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The Nebular theory explains the formation of our solar system from a mass of gas, ice, and dust particles.

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