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A uniform electric field of magnitude 200 N/C is in the x-direction. A point charge Q=3x10^-6 C initially at rest at the origin is realised
1) What is the potential difference V(4m)-V(0)
2) What is the kinetic energy of the charge when it is at x=4m?
3) What is the change in potential energy of the charge form x=0 to x=4? (Do i use the formula Change in PE= q (change in V)
suppose the straight-line distance between new york and san francisco is 4.6 x106m neglecting the curvature of the
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