1. A 12 kilogram block is sitting on a platform 24 m high. How much Potential energy does it contain?

In science and physics what is the standard unit of measure for speed?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving

The applied force of 3 washers will increase the applied force on the car to n.