Two Small Spheres, Each with Mass M = 5 $\theta$ = 20º with the Vertical?
A) 7

Multiple Choice

Two small spheres, each with mass m = 5.0 g and charge q, are suspended from a point by threads of length L = 0.30 m. What is the charge on each sphere if the threads make an angle $\theta$ = 20º with the vertical?

A) 7.9 * 10^-7 C
B) 2.9 * 10^-7 C
C) 7.5 * 10^-2 C
D) 6.3 *10^-13 C
E) 1.8 *10^-7 C