A diver who has a mass of 68 kg climbs to a diving platform that is 7. 5 m above the surface of a pool. How much gravitational potential energy does the diver have in relation to the pool’s surface?.

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

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

The energy released by a nuclear fusion reaction is produced when