A stationary proton is moved from point A, where the potential is 450V, to point B, where the potential is 125V. 1. How much work is done by the electric force? 2. What is its speed at point B? 3. What is the electric potential energy at point A? 4. What is the electric potential energy at point B?

A stationary proton is moved from point A, where the potential is 450V, to point B, where the potential is 125V. 1. How much work is done by the electric force? 2. What is its speed at point B? 3. What is the electric potential energy at point A? 4. What is the electric potential energy at point B?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 12CQ: Can a particle move in a direction of increasing electric potential, yet have its electric potential...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A stationary proton is moved from point A,
where the potential is 450V, to point B,
where the potential is 125V.
1. How much work is done by the electric
force?
2. What is its speed at point B?
3. What is the electric potential energy at
point A?
4. What is the electric potential energy at
point B?

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