Question

A point charge with charge q1 = 3.10μC is held stationary at the origin. A second point charge with charge q2 = -4.60μC moves from the point ( 0.160m , 0) to the point ( 0.270m , 0.255m ). How much work W is done by the electric force on the moving point charge?

Express your answer in joules. Use k = 8.99×109N⋅m^2/C^2 for Coulomb's constant: k=1/4πϵ0.

W=_____ J
W = -2.07 x 10-7 J

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