Identify the initial and final gravitational potential energies Enter your answers, separated by a comma, in terms of some or all of the variables m, k, s, d, 0, and the acceleration
due to gravity, g.

A2 µc charge q1 and a 2 µc charge q2 are 0.3 m from the x-axis. a 4 µc charge q3 is 0.4 m from the y-axis. the distances d13 and d23 are 0.5 m. find the magnitude and direction of the resulting vector r. round your answer to the nearest tenth.

Which subatomic particle has a negative charge

The strong nuclear force acts over a small distance than the electrostatic force. true or false