Is it possible for the sum of kinetic energy and potential energy of an object to change without work having been done on the object

Which levels of government establish and implement educational requirements for minors

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: 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 energy added you so much!

Aball horizontally thrown from a cliff at 8m/s