The potential energy of a 60 kg man standing on a balcony 43 meters above the ground is:

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

What kind of simple machine is a catapult?

An object is kept at 45 m high and how much time will it take to reach the ground