2. A point charge of -8 x 10-7C is 5.00 m from point A and 6.00 m from point B a) Find the potential at point A b) Find the potential at Point B Claim 2pts Answer: (write the final answer) a. b. Evidence 2pts Answer: Write the formula а. b. Reasoning: 6pts (Write the complete solution) Answer: a. b.

2. A point charge of -8 x 10-7C is 5.00 m from point A and 6.00 m from point B a) Find the potential at point A b) Find the potential at Point B Claim 2pts Answer: (write the final answer) a. b. Evidence 2pts Answer: Write the formula а. b. Reasoning: 6pts (Write the complete solution) Answer: a. b.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter19: Electric Potential And Electric Field

Section: Chapter Questions

Problem 30PE: In nuclear fission. a nucleus splits roughly in half. (a) What is the potential 2.00 10-14 m from a...

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It the voltage between two points is zero, can a test charge be moved between them with zero net work being done? Can this necessarily be done without exerting a force? Explain.
Suppose Earth and the Moon each carried a net negative charge Q . Approximate both bodies as point masses and point charges. (a) What value of Q is required to balance the gravitational attraction between Earth and the Moon? (b) Does the distance between Earth and the Moon affect your answer? Explain. (c) How many electrons would be needed to produce this charge?
Charge is distributed along the entire x-axis uniform density . How much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y=a to y=b ?
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Oppositely charged parallel plates are separated by 5.33 mm. A potential difference of 600. V exists between the plates. (a) What is the magnitude of the electric field between the plates? (b) What is the magnitude of the force on an electron between the plates? (c) How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.90 mm from the positive plate?
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge has the very large value 1.00 mC. How many electrons are added for every 109 electrons already present?
Can the potential of a nonuniformly charged sphere be the same as that of a point charge? Explain.
A bare helium nucleus has two positive charges and a mass of 6.641027kg . (a) Calculate its kinetic energy in joules at 2.00% of the speed of light, (b) What is this in electron-volts? (c) What voltage would be needed to obtain this energy?
Figure CQ16.3 shows equipotential contours in the region of space surrounding two charged conductors. Find (a) the work WAB in electron volts done by the electric force on a proton that moves from point A to point B. Similarly, find (b) WAC, (c) WAD, and (d) WAE. Figure CQ16.3
A particle of mass m and charge q moves along a straight line away from a fixed particle of charge Q. When the distance between the two particles is r0 , q is moving with a speed v0 . (a) Use the work-energy theorem to calculate the maximum separation of the charges. (b) What do you have to assume about v0 to make this calculation? (c) What is the minimum value of v0 such that q escapes from Q?
Check Your Understanding What is the potential on the x-axis? The z-axis?