Particles of charge +65, +48, and −95 μC are placed in a line. The center one is L = 60cm from each of the others.Calculate the net force on the left charge due to the other two.

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  1. F = k Q1 Q2 /d^2
    due to right one, +force because opposite sign
    due to middle one, -force because of same sign
    F = k(10^-6)(10^-6)(65) [ 95/1.2^2 -48/.6^2 ]

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  2. -46.9

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