. A rubber ball with a mass of 0.040 kg is dropped from a height of 8.0 m above a floor. It bounces to a height of 3.0 m after being in contact with the floor for 0.080 s. a) Find the magnitude of the net impulse net J acting on the ball during the time it is in contact with the floor

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