A golf ball is hit across the green. What is the ball's vertical velocity at its highest point?
27 m/s
0 m/s
12 m/s
9.8 m/s

What are similarities and differences of reflection, refraction, diffraction and absorption?

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.)

The energy released by a nuclear fusion reaction is produced when