Recent content by prncess23

all i got was i wrote down the coulomb's law and Newton's law (f=ma). after that...i really don't know what to do, to get that expression.

please help with this problem...i have No clue how do it Two pith balls of mass m are suspended by silk strings of length L. When they are charged they repel each other at an angle of 2 theta, since like charges repel. Using Coulomb's Law and Newton's Law, derive the following...