Two charged spheres are 19.0 cm apart. They are moved, and the force on each of them is found to have been...?

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... quadrupled. How far apart are they now?

Please help. Thanks.

2007-01-28 16:34:50 · 3 answers · asked by abc123 1 in Science & Mathematics ➔ Physics

F1R1^2 = F2R2^2
F(19^2) = 4FR2^2
R2^2 = (19^2/2^2)
R2 = 19/2 = 9.5 cm

2007-01-28 17:06:39 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

just apply force is inversely prop. to square of the distance, and u will get 9.5cm.

2007-01-29 01:08:20 · answer #2 · answered by divas 3 · 0⤊ 0⤋

9.5cm apart now

2007-01-29 00:39:23 · answer #3 · answered by Curious 1 2 · 0⤊ 0⤋