Please explain how????

Asked by  | 9th Apr, 2008, 12:33: AM

Expert Answer:

Use conservation of energy

change in potential energy(qV )= change in kinetic energy

(-2C)(10V) = -20J

KE decreases by 20J

When work done is positive, KE increases. When work done is negative, KE decreases.

 

Answered by  | 22nd May, 2008, 03:36: PM

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