1) The heat added to system
2) 800J
3) I'm not sure but I think it would be 300J.. Not certain tho
Yup, I think you add all of them
the answer is C
IGNORW irritating but not even on the golden bath bath and
<h2>You input potential (stored) energy into the rubber band system when you stretched the rubber band back. Because it is an elastic system, this kind of potential energy is specifically called elastic potential energy.</h2><h2>Hope it helps..</h2>
