Q. A 69-g handball moving with a speed of 4.3 m/s strikes the wall at an angle of 38° with the normal, and then bounces off with the same speed at the same angle with the normal. It is in contact with the wall for 2.0 ms. What is the average force exerted by the ball on the wall?
Q. Find , the magnitude of the force each plate experiences due to the other plate as a function of , the potential drop across the capacitor.