Two small spheres of mass m = 0.02 kg are suspended from a common point with threads of length L = 1.2 m. When each sphere carries a charge q = 0.75 µC, each thread makes an angle? With the vertical as shown in the figure. The charge q is related to the angle? By the formula q = 2L(sin (?))(mg(tan(?))/k) 1/2, where k is the Coulomb constant.
a) What is the angle that each string makes by the vertical?
b) Discover the angle that each string makes by the vertical if one mass carries a charge of 0.5 µC, the other a charge of 1 µC.