two equal charges placed in air separated by a distance 3 m repel each other with force 0.1 gf.calculate the magnitude of either charges.

Asked by  | 4th Apr, 2012, 07:55: AM

Expert Answer:

f= k q^2 /r^2 
k q^2 = 0.1 X 9
q^2 = 0.9/k
given k= 9.0 x 109 n/m^2
Solve for q

Answered by  | 4th Apr, 2012, 11:40: AM

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