What is the SI unit for momentum

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

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Answer fast for brainliest! < 3 what type of image is formed by a reflecting telescope? a reduced virtual image a reduced real image an enlarged real image an enlarged virtual image