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August 3, 2015

Homework Help: physics

Posted by Anonymous on Wednesday, September 4, 2013 at 12:21am.

A small sphere of charge q1 = 0.840 C hangs from the end of a spring as in Figure a. When another small sphere of charge q2 = -0.546 C is held beneath the first sphere as in Figure b, the spring stretches by d = 3.18 cm from its original length and reaches a new equilibrium position with a separation between the charges of r = 4.95 cm. What is the force constant of the spring?

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