Aball at rest starts rolling down a hill with a constant acceleration of 3.2 meters/second. what is the final velocity of the ball after 6.0 seconds?

The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.

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

For which pair of objects would adding the same a