Acar has a mass of 1000 kg and accelerates at 2 meters per second per second. what is the magnitude of the net force exerted on the car

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