5. A pitching machine goes haywire and pitches at 10 rounds per second. The speed of the balls is an incredible 300 m/s.
a. What is the distance in the air between the flying balls?.
b. What happens to the distance between the balls if the rate of pitching is increased?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?