· A 10-N force is applied to a 5-kg ball to change its velocity from +5 m/s to +3 m/s. Calculate the change in momentum of the ball ?

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

What is the temperature in degrees celsius of a substance with a tempature of 49k

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?