How are temperature and average kinetic energy related? Explain.

The plum pudding model of the atom state that ?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)