A 12 kg deer is running with 126 kg•m/s of momentum. What is the deer’s velocity?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount

Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.