Suppose that a +5.0-nC charge is located at the point (0.00 m, 0.00 m) and a...

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Suppose that a +5.0-nC charge is located at the point (0.00 m, 0.00 m) and a...

Suppose that a +5.0-nC charge is located at the point (0.00 m, 0.00 m) and a -2.0-nC charge is at (3.0 m, 0.00 m). What work is required to bring a 1.0-nC charge from very far away to point (0.00 m, 4.0 m)? (k = 1/4??0 = 9.0

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Answer 1

Answer #1

0 -Smm Snc (3, o S- 麦

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Answer 2

Answer #2

q1 = + 5 nc
q2 = -2 nc

q3 = 1 nc

delta U = k*q2*q3/r23 + k*q1*q3/r13

= (-9*2*1/5 + 9*5*1/4)*10^9*10^-18

= 7.7 nJ

W = delta U = 7.7 nJ <<<<<<<<-Answer

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Answer 3

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