Pacman the arcade game went out of order at fat max's arcade. max is dragging it 5 meters across the ground and out of the store with a rope at a 45 degree angle. what is the force be exerts if he performs 3,500 joules of work

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