2. You race a child that is exactly half your mass up identical ladders. If you took 5 s, and the child took 7 s, who did more work? Who had greater power?

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