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April 19, 2014

Homework Help: physics

Posted by renee on Tuesday, November 6, 2012 at 4:53pm.

A small sphere of mass m = 7.50 g and charge
q1 = 32.0 nC is attached to the end of a string and hangs vertically as shown in
the figure. A second charge of equal mass and charge q2 = 58.0 nC is located a
distance d = 2.00 cm below the first charge.
(a) Find the tension in the string.
(b) If the string can withstand a maximum tension of 0.180 N, what is the
smallest value d can have before the string breaks?

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