Using p=mv, calculate the momentum of a 100 kg rock traveling at 10 m/s. Show work and include the correct units.

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

How do you tell if someone actually cares about you? and just say they do?