The innermost electron shell of argon contains 2 electrons, and the outermost shell contains 8 electrons.
To find the answer, we have to know more about the electronic configuration.
What is the electronic configuration of Argon?As we know that, the element Argon in the periodic table has an atomic number of 18.Since its atomic number is 18, it should have 18 number of electrons in the elemental state.The first shell or K shell of Argon can carry 2 electrons, and rest of the 16 electrons will filled in the L and M shells.For, L has a maximum number of 8 electrons, and thus, the rest 8 will move to M.Thus, we can conclude that, the innermost electron shell of argon contains 2 electrons, and the outermost shell contains 8 electrons.
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A wooden block contains some nails so that its density is exactly equal to that of water. if it is placed in a tank of water and released from rest when it is completely submerged, it will?
A wooden block contains some nails so that its density is exactly equal to that of water. if it is placed in a tank of water and released from rest when it is completely submerged, it will remain where it is released.
The concept of density seeks to measure the weight of an object in relation to its size. It is the measure of how packed together the particles of that object are. An object placed in a liquid displaces a certain volume of the liquid, based on the relative density of the object and the liquid.
If an object is less dense than a liquid in which it is placed, it displaces a smaller volume of the liquid than its volume, hence only some part of the object will be seen to be under the liquid, the other part will float.
If an object is denser than the liquid in which it is placed, it displaces a larger volume of the liquid than its own volume, making the object to sink and is submerged, sometimes to the bottom of the liquid, but mostly below the point at which it was released.
Finally, if the density of an object and the liquid into which it is submerged is the same. the object's mass per unit volume is the same as the liquid's mass per unit volume, hence the weight and force created due to density will balance and cancel each other out hence making the object to remain where it was submerged.
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The electric field at a distance of 10 cm from an isolated point particle with a charge of 2 x 10–9 c is:________
The electric field at a distance of 10 cm from an isolated point particle with a charge of 2 x 10–9 c is 1.8×10³N/C.
When the charge is present in any form, an electric field is linked with each point in space. The value of E, also known as electric field strength, electric field intensity, or simply the electric field, expresses the magnitude and direction of the electric field.
The electric field is formally defined as a vector field associated with each location in space, the force per unit charge exerted on a positive test charge at rest at that point. The electric charge or time-varying magnetic fields generate the electric field. The magnitude of the electric field produced by a point charge Q is given by this equation.
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A "sound" is different than a "sound wave"
because
A. sound is how an animal (including humans) perceives a sound
wave
B. a sound wave can exist without creating a sound
C. sounds only exist within brains
D. all of the above
Answer:
sound is how an animal or human perceives a sound wave
A stretched string is observed to have four equal segments in a standing wave driven at a frequency of 480 hz. what driving frequency will set up a standing wave with five equal segments?
600Hz is the driving frequency needed to create a standing wave with five equal segments.
To find the answer, we have to know about the fundamental frequency.
How to find the driving frequency?The following expression can be used to relate the fundamental frequency to the driving frequency;f(n) = n * f (1)
where, f(1) denotes the fundamental frequency and the driving frequency f(n).
The standing wave has four equal segments, hence with n=4 and f(n)=4, we may calculate the fundamental frequency.f(4) = 4× f (1)
480 = 4× f(1)
f(1) = 480/4 =120Hz.
So, 120Hz is the fundamental frequency.
To determine the driving frequency necessary to create a standing wave with five equally spaced peaks? For, n = 5,f(n) = n 120Hz,
f(5) = 5×120Hz=600Hz.
Consequently, 600Hz is the driving frequency needed to create a standing wave with five equal segments.
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We know that an electric field contains energy. What causes the electric field itself?
A
electrical charges on one or more particles within the field
B
the combined mass of all particles in the field
C
the degree of magnitization of particles within the field
D
No-one really knows, the field is just always there.
Electrical charges on one or more particles within the field cause the electric field
Each point in space has an electric field associated with it when a charge of any kind is present. The value of E, often known as the electric field strength, electric field intensity, or just the electric field, expresses the strength and direction of the electric field
A region of space surrounding an electrically charged particle or object known as an electric field is one in which an electric charge would experience force. A vector quantity called an electric field can be represented by arrows pointing in the direction of or away from charges. The force per unit charge exerted on a positive test charge that is at rest at a given position is the force per unit charge that is used to define the electric field analytically.
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When you apply a force, f, to an object you get an acceleration of 2m/s2. If you apply the same force to an object with twice the mass, what is the acceleration? m/s.
The consequent acceleration, in, is caused by doubling the net force, F, acting on the same object.ms^-2 is going to 2a.What is net force?The vector sum of the forces exerted on a particle or body is known as the net force. As with all actual forces combined, its corresponding torque, or net force, forms the resultant force and affects the object's rotational motion. A torque-free resultant force may be defined by a system of forces.Learn more about net force with the help of given link:https://brainly.com/question/18038995#SPJ4
The acceleration would be 1m/s²
What is Force?
putting pressure to a door to push or pull it. Because force is a vector variable, it has both magnitude and direction. Force is defined as the "product of mass and acceleration of a body," in accordance with Newton's second law.
Acceleration - any process that alters velocity. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because velocity is both a speed and a direction.
if the force applied is f
the mass of the object is m
and acceleration is a = 2m/s²
so the relation will be,
f = ma
f = m×2
ATQ,
Now, when mass is 2m
a = f/m
a = 2m / 2m
a = 1 m/s²
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If the current coming out a battery in a series circuit is 2 A, the current going into
the battery on the other side must be
Answer:
2 A
Explanation:
Kirchhoff Laws to the circuit consisting more than two batteries, the current leaving the battery is as same as entering the battery
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Which group of theorists believe that we should study only what we can directly observe and measure?
Learning Through Observation
Albert Bandura believed that associations and direct reinforcements simply could not account for all learning. "Learning would be exceedingly laborious, not to mention hazardous if people had to rely solely on the effects of their own actions to inform them what to do," he famously wrote in his 1977 book Social Learning Theory.
Instead, he proposed that much of learning takes place through observation. Children observe the actions of those around them, particularly caregivers and siblings, and then imitate these behaviors. In his well-known Bobo doll experiment, Bandura revealed just how easily children could be led to imitate even negative actions. Children who watched a video of an adult beating up a large inflatable doll were then much more likely to copy those same actions when given a chance.
Perhaps most importantly, Bandura noted that learning something does not necessarily result in a change in behavior. Children frequently learning new things through observation, but might not engage in such behaviors themselves until there is actually a need or motivation to utilize the information.
hope it helps you
A 12 V battery is connected to a resistor, a light bulb, and a buzzer. What are the energy conversions that occur in the circuit?
The energy conservation that occurred in the circuit when a 12 V battery is connected to a resistor, a light bulb, and a buzzer is light energy (light bulb) and to sound energy (buzzer).
What is energy conservation?The principle of energy conservation states that energy can neither be created nor destroyed but can be transferred from one form to another.
When a 12 V battery is connected to a resistor, a light bulb, and a buzzer, the energy conservation that occur in the circuit is light energy (light bulb) and to sound energy (buzzer).
Thus, the energy conservation that occurred in the circuit when a 12 V battery is connected to a resistor, a light bulb, and a buzzer is light energy (light bulb) and to sound energy (buzzer).
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According to current scientific understanding, the idea that the milky way galaxy might be home to a civilization millions of years more advanced than ours is.
According to contemporary scientific understanding, the thought that the Milky Way Galaxy energy is home to a civilization millions of years more developed than ours is. one reasonable solution to Fermi's paradox.
What is the milky way galaxy?Our Milky Way galaxy is simply one of the billions of galaxies in the universe. Within it, there are at smallest 100 billion stars, and on moderate, each star contains at least one planet circling it. This means there are potentially thousands of planetary procedures like our solar system within the galaxy!The Milky Way gets its name from a Greek myth about the goddess Hera who sprayed milk across the sky. In other parts of the world, our galaxy goes by different names.The Milky Way is about we look. Up, down, left, right, that is the Milky Way. From Earth, it can be noticed as a hazy form of stars in the evening sky that the stripped eye can barely notice. You can visit the Milky Way all year, no matter where you are on the earth.To learn more about Milky Way galaxy, refer to:
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Due to its motion in the magnetic field of the bar magnet, the charge will experience a force in which direction?
Due to its motion in the magnetic field of the bar magnet, the charge will experience a force perpendicular to both the velocity of the charge and the magnetic field
Magnetic Field is the region around a magnetic material or a moving electric charge within which the force of magnetism acts. A pictorial representation of the magnetic field which describes how a magnetic force is distributed within and around a magnetic material.
If you point your pointer finger in the direction the positive charge is moving, and then your middle finger in the direction of the magnetic field, your thumb points in the direction of the magnetic force pushing on the moving charge is called right hand rule .
The magnitude of the force is proportional to q, v, B, and the sine of the angle between v and B.
Hence , the magnetic force on a free moving charge is perpendicular to both the velocity of the charge and the magnetic field with direction given by the right hand rule.
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A fixed container containing an ideal gas is heated. The pressure of the gas increases because:_________
A fixed container containing an ideal gas is heated. The pressure of the gas increases because the molecules move faster.
You can speed up the motion of the molecules in a gas by heating it. The pressure will rise and there will be greater impacts on the container's walls.
The container walls are pressed against by the combined force of the collisions. The energy you provide when you heat the gas makes the gas's particles more kinetically energetic and put more pressure on the container.
As the temperature rises, the pressure must as well since pressure is the force the particles per unit of area exert on the container.
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The weight of air in a column 1-m2 in cross section that extends from sea level to the top of the atmosphere is?
From sea level to the top of the atmosphere, a column of air with a 1-m2 cross section weighs 101,000 N.
To find the answer we have to know about the pressure.
What is Pressure?The pressure at a point on a surface is the thrust acting per unit area around that point.[tex]Pressure, P=\frac{Thrust}{Area}=\frac{F}{A}[/tex]
A particular mass of air is contained in a column that rises from the ocean to the top of the atmosphere. Then,[tex]P=P_a=1.013*10^5 pascal[/tex]
Pa is the atmospheric pressure at the sea level.
By combining both the equations, we get the weight of air,[tex]\frac{F}{A}=P_a[/tex]
[tex]F=W=P_a*A=1.013*10^5*1=101300N[/tex]
Thus, we can conclude that, the weight of air in a column 1-m2 in cross section that extends from sea level to the top of the atmosphere is 101300N.
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A car drives around a curve with a radius of 42 m at a velocity of 24 m/s. what is the centripetal acceleration of the car? m/s2
Answer:
13.7 m/s^2
Explanation:
Radius, r= 42m
Velocity, v= 24m/s
Ac= V^2/r
Ac=(24)^2/42
Ac= 13.7m/s2
The centripetal acceleration is 13.7 m/s².
Calculation:Centripetal acceleration is given by,
Ac = v²/r
where,
Ac = centripetal acceleration
v = velocity
r = radius
Given,
v = 24 m/s
r = 42 m
To find,
Ac =?
Put the value in the formula,
Ac = v²/r
= (24)²/42
= 576/42
= 13.7 m/s²
Hence, the centripetal acceleration is 13.7 m/s².
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A student volunteers to enter a hypoxic breathing chamber with very low po2 for 10 minutes, and his alveolar po2 drops to 50 mm hg. what other change would occur?
When an individual enters a hypoxic breathing chamber, the changes that would occur would be an increase in the blood pH.
What is hypoxic breathing chamber?A hypoxic breathing chamber is a type of chamber that is built with the ability to cause an artificial high-altitude conditions.
There are various changes that would occur in the body when placed in a hypoxic state. These changes include the following:
Decrease in alveolar oxygen pressure,Increase in blood pH (acidosis)breathlessness, pallor, tachycardia, and pulmonary hypertension.Therefore, when an individual enters a hypoxic breathing chamber, the changes that would occur would be an increase in the blood pH.
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Ritemade machinery, inc., designs, makes, and sells a drill press. steel equipment company copies the design without ritemade's permission. steel's conduct is actionable provided that:_______
Ritemade machinery, inc., designs, makes, and sells a drill press. steel equipment company copies the design without ritemade's permission. steel's conduct is actionable provided that RiteMade's design is patented.
A design patent is a form of legal protection of the unique visual qualities of a manufactured item. A design patent may be granted if the product has a distinct configuration, distinct surface ornamentation or both or A patent is an exclusive right granted for an invention.
In other words, a patent is an exclusive right to a product or a process that generally provides a new way of doing something, or offers a new technical solution to a problem.
If you create original sketches of your designs, those sketches are protected by copyright law. That means that no one can copy, distribute, publicly display, etc. your sketch without your permission.
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What does it mean when work is positive? Velocity is greater than kinetic energy. Kinetic energy is greater than velocity. The environment did work on an object. An object did work on the environment.
Work is said to be positive when Kinetic energy is greater than velocity (option B). Details about work can be found below.
What is work?Work is a measure of energy expended in moving an object; most commonly, force times distance. This means that no work is done if the object does not move.
However, work can either positive or negative depending on the direction of the object and the force applied.
When force and displacement are in the same direction, the work performed on an object is said to be positive work.
This further means that the kinetic energy, which is the energy due to motion, will be greater than the velocity of the object in order to overcome the object.
Therefore, work is said to be positive when kinetic energy is greater than velocity.
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Answer: (B) Kinetic energy is greater than velocity
Explanation:
Water (3090 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
The initial temperature of the water was 60.64 degree Celsius.
What is heat energy?Heat is the type of energy that travels from a high-temperature system to a low-temperature system when it is transmitted between things or systems of different temperatures. also known as thermal energy or heat energy. Usually, heat is expressed in Btu, calories, or joules.
Calculation for the initial temperature of the water;
The formula for release of heat energy is given by;
Q = mc∆t
Q = heat energy
m = mass
c = specific heat (of water)
∆t= change in temperature (= final - initial temp)
final temp of water = boiling point of water i.e. 100*C
'c' for water = 4.186 joule/gram °C
The mass 'm' = 3090 g.
The energy absorbed by water is 5.09×[tex]10^{5}[/tex] = 509000 J.
Let 'T' be the initial temperature.
Substitute all the value in formula to get the equation.
509000 = 3090 × 4.186 × (100 - T)
100 - T = 39.35
T = 100 - 39.35
T = 60.64
Therefore, the initial temperature of the water was 60.64 degree Celsius.
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Waves start as a disturbance (an input of energy) in a medium (water, air, the earth etc). The energy of the disturbance is moved from the starting point to other places in the medium by what means?
A
It depends on whether the wave is longitudinal or transverse. Transverse waves move energy differently than longitudinal waves.
B
The means of energy movement in a wave depends on the magnitude (force) of the original wave. Strong waves propagate by a different method than weak ones.
C
Molecules in the original disturbance disturb (move) adjacent molecules which disturb more adjacent molecules and so the wave travels.
D
It depends on the wavelength of the wave, short wavelength waves travel faster and move energy differently than long wavelength waves.
C. Molecules in the original disturbance disturb (move) adjacent molecules which disturb more adjacent molecules and so the wave travels.
What is wave?A wave can be defined as a propagating dynamic disturbance of one or more quantities.
A wave can be propagated in longitudinal or transverse method.
When waves start as a disturbance (an input of energy) in a medium (water, air, the earth etc).
The energy of the disturbance is moved from the starting point to other places in the medium by molecules in the original disturbance disturb (move) adjacent molecules which disturb more adjacent molecules and so the wave travels.
Thus, the correct option is C.
"Molecules in the original disturbance disturb (move) adjacent molecules which disturb more adjacent molecules and so the wave travels".
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A positive charge of 94. 0 nc is 22. 0 cm from a negative charge of 53. 0 nc. the force on one of the charges due to the other is approximately________.
A positive charge of 94. 0 NC is 22. 0 cm from a negative charge of 53. 0 NC. The force on one of the charges due to the other is approximately 92.6× 10⁹ N
Force between the two charges depends upon the charges, distance between the charges and the medium between the two charges. It is given by:
F = kq₁q₂ / r²
where q₁ is the charge of the first charge
q₂ is the charge of the second charge
r is the distance between the charges
k is the permitivitty of medium
F is the force between the two charges
Given , q₁ = 94NC
q₂ = 53NC
r = 22cm = 0.22m
On subsituting,
F = 9 × 10⁹ × 94 × 53 / (0.22)²
⇒ F = 92.6 × 10⁹ N
Since, the force between the two charges is equal on both the charges hence, force on one of the charges due to the other is approximately 92.6× 10⁹ N.
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A cardiac pacemaker can be affected by a static magnetic field as small as 1. 7 mt. how close can a pacemaker wearer come to a long, straight wire carrying 28 a?
A cardiac pacemaker can be affected by a static magnetic field as small as 1. 7 mt. pacemaker wearer comes to a long, straight wire carrying 28 amperes.
A pacemaker is a device that regulates an unsteady heartbeat. A pacemaker is inserted into one or more cardiac chambers using flexible, insulated wires called leads. The electrical pulses needed to change the heart rate are delivered by these lines. Some of the most recent pacemakers don't need leads.
The risk of problems is often quite low while having a pacemaker put. The primary worry is that the pacemaker will no longer be able to regulate the heartbeat due to a malfunction or a wire that has moved out of place. The average patient lived 101.9 months (or 8.5 years) after having a pacemaker implanted; at 5, 10, 15, and 20 years later, 65.6%, 44.8%, 30.8%, and 21.4% of patients were still living, respectively.
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The closest distance peacemaker come to is r=3mm.
How to find closest distance?Given data:-
B=1.7mt.
I=28A.
by using the equation B=(μ₀I)/2πr
r=μ₀I/2πB
r=[tex]\frac{4\pi *10^{-7} Tm/A *28A}{2\pi (0.0017T)}[/tex]
r=32*[tex]10^{-4}[/tex]m
r=3.2mm.
thus from the above conclusion we can say that when magnetic field is 1.7mt and current =28A then pacemaker can come close r=3.2mm.
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If you are operating under basicmed, what is the maximum speed at which you may fly?
Answer:
250 kts
Explanation:
is the flight restriction for BasicMed
A proton moving eastward with a velocity of 5. 0 × 103 m/s enters a magnetic field of 0. 20 t pointing northward. what is the magnitude and direction of the force that acts on the proton?
The magnitude of the force is 1.6*10^-16 N. The direction of force is upward.
The definition of force is the push or pull that causes a massed object to change its velocity. Force is an external agent that has the power to alter a body's resting or moving position. It has a direction and a magnitude. The total amount of forces exerted on an object is referred to as the magnitude of force.
The strength of the force increases when all the force is pulling in the same direction. When force is exerted on an item from different angles, the force's strength reduces. The amount that encapsulates the force's strength is known as its magnitude.
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The ramp has an efficiency of 80%. If you perform 600 J of work, how much useful work does the ramp do
The ramp does 480J of useful work with an efficiency of 80% .
What is efficiency of work done ?Efficiency is the ratio of the useful energy released by a system to the input energy .Mathematically, efficiency of energy = out put energy/ input energy What is the useful work done by the ramp having efficiency 80% and an input work done 600J?The efficiency =output work done/ input work done 80% =output work done/ 600Joutput work done =( 80×600)/100=480J
Thus, we can conclude that the useful work done by the ramp is 480J.
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If the fifth order minimum in the diffraction pattern of a thin slit is at 40° from the central maximum, what is the highest order minimum in the pattern?
The highest order minimum in the diffraction pattern [tex]7^{0}[/tex].
Diffraction patternThe same way that an imaging mode electron beam is focused on the material to create an image, a parallel electron beam is used to create diffraction patterns. The beam transmitted is focused on the screen's diffraction pattern by the intermediate lens and its chosen area aperture, which determines the beam's width.
Crystallography studies of materials can benefit from the diffraction mode. Using this mode, one can establish the space group and orientation of crystals. the anoparticle's diffraction pattern, which is depicted on the left. The little spots and rings in polycrystalline samples indicate that it is crystalline.
A disc's closely spaced tracks work as a diffraction grating to create the well-known rainbow pattern that is seen while staring at a disc, which is one of the most spectacular instances of diffraction.
If the fifth order minimum in the diffraction pattern of a thin slit is at 40° from the central maximum, what is the highest order minimum in the pattern?
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F 2000. kg of ice cover your driveway, how many kilojoules of heat would be required to melt it? the heat of fusion of water is 334 j/g .
Answer:
668 000 kJ
Explanation:
2000 kg = 2000 000 gm
2000000 gm * 334 J/g = 668 000 000 J = 668 000 kJ
What is free-fall acceleration toward the sun at the distance of the earth's orbit?
Answer:
The free fall acceleration toward the sun at the distance of the earth's orbit is 9.8m/s^2
The world’s longest organ pipe, in the boardwalk hall auditorium in atlantic city, is 64 feet long. what is the fundamental frequency of this openopen pipe?
The fundamental frequency of this open-open pipe is 8.82 Hz
The quantity of waves that pass a set location in a predetermined period of time is known as frequency. Frequency is the number of full cycles per second in the alternating current direction for an oscillating or fluctuating current. The hertz, also known as Hz, is the accepted unit of frequency.
The temporal rate of change observed in oscillatory and periodic phenomena, such as mechanical vibrations, audio signals (sound), radio waves, and light, is specified by the frequency, an essential parameter in science and engineering.
Assume vs = 344 m/s
f1 = vs/2L
= 344 m/s/ 2∙64 ft/(3.281 ft/m)
= 8.82 Hz
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Two electric charges qa = 1. 0 μc and qb = - 2. 0 μc are located 0. 50 m apart. how much work is needed to move the charges apart and double the distance between them
The total work done of 0.018 joules is needed to move the charges apart and double the distance between them.
We have two electric charges q(A) = 1μc and q(B) = -2μc kept at a distance 0.5 meter apart.
We have to calculate much work is needed to move the charges apart and double the distance between them.
What s the formula to calculate the Potential Energy of a system of two charges (say 'q' and 'Q') separated by a distance 'r' ?The potential energy of the system of two charges separated by a distance is given by -
[tex]U = \frac{1}{4\pi\epsilon_{o} } \frac{qQ}{r}[/tex]
In order to solve this question, it is important to remember the work - energy theorem which states -
"The change in the energy of the body is equal to work done on it"
Hence, using this work -energy theorem in the question given to us we get -
[tex]U_{f} -U_{i} =W_{net}[/tex]
In our case -
[tex]U_{f} = \frac{1}{4\pi\epsilon_{o} } \frac{qQ}{2r}\\\\U_{i} = \frac{1}{4\pi\epsilon_{o} } \frac{qQ}{r}\\\\W=\frac{1}{4\pi\epsilon_{o} } \frac{qQ}{2r} - \frac{1}{4\pi\epsilon_{o} } \frac{qQ}{r}\\\\W = \frac{qQ}{4\pi\epsilon_{o}r} (\frac{1}{2} -1)\\\\W = 9\times 10^{9}\times \frac{1 \times 10^{-6} \times 2\times10^{-6} }{0.5} \times \frac{-1}{2}[/tex]
W = 0.018 joules
Hence, the total work done should be 0.018 joules.
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Type the correct answer in the box. use numerals instead of words. anne has a sample of a substance. its volume is 20 cm3, and its mass is 100 grams. what is the sample’s density? the sample’s density is g/cm3.
The density of sample is 5 g/cm3
Given:
volume of sample = 20 cm3
mass of sample = 100 grams
To Find:
density of sample
Solution: Density is the measure of how much “stuff” is in a given amount of space. For example, a block of the heavier element lead (Pb) will be denser than the softer, lighter element gold (Au). A block of Styrofoam is less dense than a brick. It is defined as mass per unit volume
density = mass/volume
d = 100/20
d = 5 g/cm3
So, density of sample is 5 g/cm3
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