Answer to Question #333321 in Mechanics | Relativity for Descent

Question

A tall fat and skinny girl athlete of mass 55 kg throws a ball of mass 0.80kg against a wall. The ball strikes the wall horizontally with a speed of 25m/s and it bounces back with the same speed. The ball is in contact with the wall 0.050s. Determine the magnitude of the average force exerted on the wall by the ball?

Answer 1

$F=\frac p{2t}=\frac{mv}{2t}=200~N.$