Charge appeared on the plates of a 6.0 μf capacitor when it is charged to 40V is 240μC.
Capacitance of the capacitor is determined by the area of the plate of Capacitor and distance between the plates of capacitor.
Capacitor is dependent on the area of the plates, distance between the plates and medium present between the plates.
It is not dependent of the charge and voltage across the capacitor.
We know that Q = CV, where Q is the charge on capacitor, C is the Capacitance and V is the voltage applied across the capacitor.
Q = 6 × 10⁻⁶ × 40
Q = 240× 10⁻⁶ C
Q = 240 μC
Hence the charge on the plates of the capacitor is 240 μC.
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What are the three paths taken by incoming solar radiation, and what percentage of incoming solar radiation does each path generally deal with?
The three paths taken by incoming solar radiation are:
Earth's surfaceAtmospheric gasesReflected backAbout 29 percent of the solar radiation that arrives at the top of the atmosphere is reflected back to space by clouds, atmospheric particles, or bright ground surfaces like sea ice and snow. This radiation plays no role in Earth’s climate system.
About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapour, dust, and ozone, and
48 percent passes through the atmosphere and is absorbed by the surface. Thus, about 71 percent of the total incoming solar energy is absorbed by the Earth system.
Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies. However, the technical feasibility and economical operation of these technologies at a specific location depends on the available solar resource.
Every location on Earth receives sunlight at least part of the year. The amount of solar radiation that reaches any one spot on the Earth's surface varies according to:
Geographic locationTime of daySeasonLocal landscapeLocal weatherDIFFUSE AND DIRECT SOLAR RADIATION
As sunlight passes through the atmosphere, some of it is absorbed, scattered, and reflected by:
Air moleculesWater vapourCloudsDustPollutantsForest firesVolcanoesThis is called diffuse solar radiation. The solar radiation that reaches the Earth's surface without being diffused is called direct beam solar radiation. The sum of the diffuse and direct solar radiation is called global solar radiation. Atmospheric conditions can reduce direct beam radiation by 10% on clear, dry days and by 100% during thick, cloudy days.
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The speed of a car is increased uniformly from 11 meters per second to 19 meters per second. the average speed of the car during this interval is________.
Answer:
ΔV=Vi + Vf
2
ΔV= 11m/s + 19m/s
2
ΔV= 15m/s
Explanation:
What is the energy (in evev) of a photon of visible light that has a wavelength of 500 nmnm?
_______________
λ=500 nm = 500·10⁻⁹ m
c=3·10⁸ m/s
h=6,63·10⁻³⁴ J·s = 4,14·10⁻¹⁵ eV·s
_______________
E - ?
_______________
[tex]\displaystyle \boldsymbol{E}=h\nu =h \frac{c}{\lambda} =4,14\cdot 10^{-15} \; eV\cdot s\cdot \; \frac{3\cdot 10^8\; m/s}{500\cdot 10^{-9}\; m} =2,484\; eV\approx \boldsymbol{2,5\; eV}[/tex]
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
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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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
How would the self-inductance, l, of a coil change if you would increase its radius by a factor of two and increase its length by a factor of two?
The self-inductance of a coil will change by 8 times its original value by increasing its radius value by 2 and increasing the length of the coil by 2.
Self-Inductance: -
The definition of self-inductance is the induction of a voltage in a wire that carries current when the current in the wire is changing. In the instance of self-inductance, the circuit itself induces a voltage through the magnetic field produced by a changing current.
We know that the self-inductance of the coil is denoted by: -
L= µ *π*(r)^2*(N)^2*l
Where
L= Self-Inductance of the coil
µ= Magnetic Permeability Constant
r= Radius of the coil
l= Length of the coil
N= Number of turns of the coil
Here Self-inductance of the coil is directly proportional to the length of the coil and the square of the radius of the coil.
So,
On increasing the radius of the coil by a factor of 2 and the length of the coil by 2 the self-inductance of the coil increases by 8 times its original value.
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What is the magnitude of the magnetic field at the point the center of a long, straight solenoid; the solenoid carries current 0.300 A and has 4.00 * 103 windings per meter
The magnitude of the magnetic field at the point at the center of a long, straight solenoid if the solenoid carries a current of 0.300 A and has 4.00 ×10³ windings per meter would be 1.512 ×10⁻³ N/Amps m
What is a magnetic field?A magnetic field could be understood as an area around a magnet, magnetic material, or an electric charge in which magnetic force is exerted. The SI unit of the magnetic field is tesla.
The magnetic field at the point at the center of a long, straight solenoid can be calculated by using the formula
B = μnI
where B is the magnetic field
μ is the Permeability constant having a value of 1.26 × 10⁻⁶ T/m
n is the number of winding per meter
I represent the current
By substituting the respective value in the formula
B=( 1.26 × 10⁻⁶ )× (4.00 ×10³)×0.300
B =1.512 ×10⁻³ N/Amps m
Thus, the magnitude of the magnetic field at the point at the center of a long, straight solenoid would be 1.512 ×10⁻³ N/Amps m.
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What potential difference is required in an electron microscope to give an electron wavelength of 4. 5 nm?
Potential difference required in an electron microscope to give an electron wavelength of 4. 5 nm will be 0.063 V.
The difference in potential between two points that represents the work involved or the energy released in the transfer of a unit quantity of electricity from one point to the other is called potential difference.
The wavelength of an electron is calculated for a given energy (accelerating voltage) by using the de Broglie relation between the momentum p and the wavelength λ of an electron
lambda = 4.5 nm = 4.5 * [tex]10^{-9}[/tex] m
h = [tex]6.626 * 10^{-34}[/tex] J s
e = 1.6 * [tex]10^{-19}[/tex] C
m = 9.1 * [tex]10^{-31}[/tex] kg
Energy = eV
lambda = h / [tex]\sqrt{2mE}[/tex] = h / [tex]\sqrt{2m(eV)}[/tex]
[tex](lambda)^{2}[/tex] = [tex]h^{2}[/tex] / (2m (eV))
V = [tex]h^{2}[/tex] / (2 m e [tex](lambda)^{2}[/tex] )
V = [tex](6.626 * 10^{-34} )^{2}[/tex] / 2 * 9.1 * [tex]10^{-31}[/tex] * 1.6 * [tex]10^{-19}[/tex] * [tex](4.9 * 10^{-9}) ^{2}[/tex]
V = 0.063 V
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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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3. [-/2 Points]
A race car traveling northward on a straight, level track at a constant speed travels 0.760 km in 21.0 s. The return trip over the
same track is made in 26.0 s.
DETAILS SHIPPS13 2.E.010. MY NOTES
ASK YOUR TEACHER
(a) What is the average velocity of the car in m/s for the first leg of the run?
m/s
(b) What is the average velocity (in m/s) for the total trip?
m/s
PRACTICE ANOTHER
(a) The average velocity of the car in m/s for the first leg of the run is 36.2 m/s.
(b) The average velocity (in m/s) for the total trip is 0.
Average velocity
The average velocity of the car in m/s for the first leg of the run is calculated as follows;
Average velocity = total displacement/total time
Average velocity = (760) / (21) = 36.2 M/S
Average velocity for total tripThe average velocity (in m/s) for the total trip is calculated as follows;
v = total displacement/total time
v = 0/(26 + 21)
v = 0
Thus, the average velocity of the car in m/s for the first leg of the run is 36.2 m/s.
The average velocity (in m/s) for the total trip is 0.
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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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Why is it necessary to level the rotating platform? How would the motion of the revolving mass be affected if the base were not level? Explain
It necessary to level the rotating platform to maintain uniform circular motion.
The outcomes will be negatively impacted if the platform is not level since the heavy end will sway toward the side that is low.
To maintain a balance of the speed it is necessary to level the rotating platform.
What is uniform circular motion?When a particle follows a circular path while maintaining a constant speed, its motion is described as being uniformly circular.
Why is circular motion uniform?A body moving in a circular motion while maintaining a consistent speed is known as uniform circular motion. The velocity changes, but the speed doesn't. A particle's speed is constant if it is moving in a circular motion.Why is uniform circular motion important?Uniform circular motion is a crucial example of direction change while keeping constant speed. In that instance, the object's direction must change continuously in order to keep it moving in a circle while the object's speed remains constant, therefore "uniform."To learn more about uniform circular motion visit:
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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:
The voltage between two parallel plates separated by a distance of 3. 0 cm is 120 v. The electric field between the plates is?
The electric field between plates is 4000V/m.
An electric field (sometimes E-field) is the physical field that surrounds electrically charged particles and exerts force on all other charged particles in the field, either attracting or repelling them. It also refers to the physical field for a system of charged particles.
The value of the electric field has dimensions of force per unit charge. In the metre-kilogram-second and SI systems, the appropriate units are newtons per coulomb, equivalent to volts per metre.
The voltage between points A and B is
V=E.d
E =V/d (uniform E- field only)
where d is the distance from A to B, or the distance between the plates.
Given:
distance d = 3 cm
voltage V = 120 V
Electric field E = V/d
E = 120 V / 3cm
E = 40 V / 1 cm [ 1 cm = 1/100 m ]
E = 4000 V/m.
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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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What is the magnitude of the detected sound frequency shift from 170 hz during the projectile flight when a ball is thrown up in the air? a
The sound frequency shift's magnitude, or change in frequency, first decreases to zero before rising during the projectile flight when a ball is thrown up in the air
At this point, the frequency emitted by the source becomes equal to that received by the microphone. This can be seen from the equation 2 for Doppler effect contained in the attachment below.This moment is short lives and the projectile soon starts a return journey downward under the influence of gravity. The velocity of the projectile is negative ( v < 0 ) and from the equation can be confirmed that the frequency received by the microphone increases as the projectile fall under gravity. This is so because as the projectile falls downward it velocity becomes more and more negative. And from the equivalent in the picture below, the frequency received by the microphone increasesLearn more about sound frequency shift from:https://brainly.com/question/15743506
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A tennis ball is hit into the air with a racket. when is the ball’s kinetic energy the greatest? ignore air resistance.
When the player strikes the ball, kinetic energy is at its greatest.
Kinetic energy = 1/2*m*[tex]v^{2}[/tex]
where m denotes mass and v denotes velocity.
Therefore, kinetic energy is inversely correlated with square of velocity.
When a player strikes the ball, velocity is at its highest.
Thus, when the player strikes the ball, kinetic energy is at its highest.
What is kinetic energy?It is the energy that a body has because it is moving.
Which 5 forms of kinetic energy are there?Kinetic energy comes in five different forms:
radiantthermalsoundelectricalmechanical.Kinetic energy is measured in Joules.
Importance of kinetic energy:
The capacity to perform work is kinetic energy's most significant quality. Force acting on an object while it is moving is referred to as work. Energy and work are interchangeable because of their tight relationship.To learn more about kinetic energy visit:
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FInal physics question please help asap
The cannonball will be 311.8 m far in meter when it travels horizontally
What is a Projectile ?A projectile is any object like stone, ball or javelin that take a parabolic path when thrown into the air.
The following parameters are given from the question
Ф = 30°u = 60 m/sg = 10 m/s²R = ?Resolve the initial velocity into horizontal and vertical components. That is,
Horizontal component = ucosФVertical component = usinФTo calculate the range that is, the horizontal distance, will can first calculate the total time take by the ball to reach the ground.
Total time T = 2usinФ / g
Substitute all the parameters
T = (2 x 60sin30) / 10
T = (2 x 30) / 10
T = 60 / 10
T = 6 s
The horizontal distance R = ucosФ x T
R = 60 x cos 30 x 6
R = 311.77 m
Therefore, the cannonball will travel 311.8 m approximately horizontally.
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Assuming the diode is ideal but with a forward voltage drop of. 65 volts, what is the current in ma if v1=0v, and r1=490ω?
The current in the ideal diode with forward biased voltage drop of 65V is 132.6 mA.
To find the answer, we have to know more about the ideal diode.
What is an ideal diode?A type of electronic component known as an ideal diode has two terminals, only permits the flow of current in one direction, and has less zero resistance in one direction and infinite resistance in another. A semiconductor diode is the kind of diode that is used the most commonly. It is a PN junction-containing crystalline semiconductor component that is wired to two electrical terminals.How to find the current in ideal diode?Here we have given with the values,[tex]V_2=65V\\V_1=0V\\R_1=490Ohm.[/tex]
We have the expression for current in mA of the ideal diode with forward biased voltage drop as,[tex]I=\frac{V_2-V_1}{R_1} =\frac{65}{490} =132.6mA[/tex]
Thus, we can conclude that, the current in mA of the ideal diode with forward biased voltage drop of 65 V is 132.6.
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In what part of the electromagnetic spectrum does the sun radiate maximum energy? How does this compare to earth?
The visible region of the electromagnetic spectrum is where the Sun radiates maximum energy. Since Earth is substantially cooler, the majority of the radiation it emits is longwave radiation.
The complete spread of electromagnetic radiation by wavelength or frequency. Despite the fact that all electromagnetic waves have a wide range of frequencies, wavelengths, and photon energies, they all move at the speed of light in a vacuum known as the electromagnetic spectrum.
The sun emits electromagnetic waves over a wide spectrum, from radio waves with a wavelength of 10 meters to X-rays with a wavelength of 2 nanometers. Visible light, with a wavelength of around 500 nanometers, is the most powerful of them to reach the earth's surface. The visible spectrum is where the Sun's energy is most intensely emitted. The maximum amount of radiation that the Earth emits occurs at 10 mm, in the infrared heat spectrum. Since the Earth's surface temperature is far lower than that of the sun and its radiation has longer wavelengths than solar radiation, the majority of this energy is then reradiated into space. The atmosphere is easily able to absorb the longer wavelengths that the Earth radiates.
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Jennifer works for an automaker and tests the safety performance of cars. she watches a 2,000-kilogram car crash into a wall with a force of 30,000 newtons. what’s the acceleration of the car at impact? use f = ma. the car accelerates at a rate of meters/second2 at impact.
The acceleration of the car at impact is 15m/s².
What is Newton's Second Law of Motion?Newton's second law provides a precise explanation of the modifications that a force can make to a body's motion. According to this, a body's momentum changes at a rate that is equal to the force acting on it over time in both magnitude and direction. A body's momentum is equal to the sum of its mass and velocity. Similar to velocity, momentum has both a magnitude and a direction, making it a vector quantity.
acceleration - rate of change of velocity with time, both in terms of speed and direction. A point or object going straight forward is accelerated when it accelerates or decelerates.
There are three types of accelerated motions :
uniform acceleration, non-uniform accelerationaverage acceleration.express all the units in their most basic form.
kg, newton = kg*m/s², acceleration =m/s²
[tex]\frac{ 30000 kg*m/s^{2} }{ 2000 kg} = 15m/s^{2}[/tex]
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How does position depend on time on a free falling motion, for short distance, near the surface of the earth?
Answer:
if an object is in free fall for a longer time its position will increase at an exponential rate because the object is accelerating
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 crowbar of 2m is used to lift an object of 800N if the efforts arm is 160cm clalculate the efforts applied
The applied effort represents the time devoted to the analysis of theory, attendance at theory classes, and the authentic performance of all practical skills.
How to calculate efforts applied?The applied effort represents the time devoted to the analysis of theory, attendance at theory classes, and the authentic performance of all practical skills.
The effort, application, endeavor, and exertion imply activities directed or force expended toward a definite end. Effort exists as an expenditure of energy to perform some objective: He created an effort to control himself. The application exists continuous struggle plus careful attention: constant application to duties.
Length of crow bar = 2m
length of load arm = 0.1M
length effort arm = length of crow bar -length of load arm
=2−0.1=1.9m
so, velocity ratio = length of effort arm/length of load arm = 1.9/0.1 = 19
use formula, velocity ratio = load/effort
19 = 100kgf/effort
effort = 100/19= 5.26 kgf
hence,5.26 effort is required.
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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
When a small force is applied to a gyro, the result will instead occur 90 degrees ahead of that point, in the direction of rotation. this principle is known as:_____.
When a small force is applied to a gyro, the result will instead occur 90 degrees ahead of that point, in the direction of rotation. this principle is known as: Precession
What is precession?Precession is a shift in the direction of a rotating body's rotational axis. It can be described as a modification of the first Euler angle in the proper reference frame, while the rotation itself is defined by the third Euler angle. In other terms, a body is said to be precessing about a second axis if its own axis of rotation is spinning about that second axis. Nutation is a motion in which the second Euler angle varies. Precession can be either torque-free or torque-induced in physics.
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A large plate carries a uniform charge density σ = 8. 85 × 10-9 c/m2. a pattern showing equipotential surfaces with a 5 v potential difference would appear as:_________
The potential difference comes out to be
[tex]10 \times 10 {}^{ - 3} m[/tex]
Given:
σ = 8. 85 × 10-9 c/m2
we know,
[tex]E = \frac{σ}{2ε0}[/tex]
[tex]E = \frac{8.85 \times 10 {}^{ - 9} }{2ε0}[/tex]
[tex]E = \frac{v}{d} [/tex]
given the potential difference between two equipotential surface=5v
E=∆v
∆d=∆v/E
[tex] = \frac{5 \times 8.85 \times 10 { }^{ - 12} \times 2 }{8.85 \times 10 {}^{ - 9} } [/tex]
[tex]Δ = 10 \times 10 {}^{ - 3} m[/tex]
Thus the potential difference is
[tex]10 \times 10 {}^{ - 3} m[/tex]
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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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Assuming a mass of 0.04-g, what is the power exerted by the electrical forces on a fragment of fiber if the fragment has a velocity of 200 mm/s, 10 ms after ejection?
8.0× 10⁻⁵ Watts is the power exerted
What is Power, Energy and Work done?Physics' three essential notions are work, energy, and power. When a force (push or pull) given to an item results in the displacement of the object, that force is said to have performed work. Energy is how we describe the ability to perform the task. Power is the amount of work completed in a given amount of time.
mass of the body = 0.04 g = 4.0 × 10^-5 kg
velocity of the body = 200mm/s = 0.2 m/s
Kinetic energy of the body = 1/2 × 4.0 × 10^-5 × 0.2^2
Kinetic energy of the body = 8.0× 10^-7
Thus, work done = 8.0× 10^-7 J
Power = work done/ time
Power exerted = 8.0× 10^-7/0.01
Power exerted = 8.0× 10^-5 Watts
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