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A particle with a charge of +4.20 nC is in a uniform electric field È directed in the negative x direction.



A particle with a charge of +4.20 nC is in a uniform electric field È directed in the negative x direction. It is released from rest, and after it has moved 6.00 cm, its kinetic energy is found to be + 1.50 × 10-6 J. (a) what work was done by the electric force? (b) What was the change in electric potential over the distance that the charge moved? (c) What is the magnitude of E? (d) What was the change in potential energy of the charge? 

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Answer #1

a)

Work done by the electric force

b)

Since

c)

ELectric field

d)

change in potential energy is

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