A 53.2 kg pole vaulter falls from rest from a height of 3.6m onto a foam rubber pad. The pole vaulter comes to rest .31 s after landing on the pad. Calculate the athete's velocity just before reaching the pad

Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball

Phase changes are chemical changes. true or false

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n