February 22, 2017

Homework Help: physics

Posted by stoic-rider77 on Friday, January 18, 2013 at 9:34pm.

Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.14g and a charge of magnitude q. the balls are attracted to each other. When in equilibrium, the balls are separated by a distance of 2.05cm and the threads attached to the balls make an angle of 20 degrees with the vertical.

a. The magnitude of the electric force acting on each ball.
b. The tension in each of the threads.
c. The magnitude of the charge on the balls.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions