Two boxes are pulled to right by a force of 43.0N. The left box has a mass of 71.0kg and the right box has a mass of 35.0kg. Calculate the tension on the rope between the two boxes

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