in a football game a 70 kg player is running at 10m/s when he is hit by another player. when he is hit by the other player he bounces off in the other direction at 5m/s. what is the players change in momentum?

Describe uniform velocity and variable velocity in short

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.