A horizontal force of 20 N is applied to the object... Draw a free body diagram with the forces to scale...
Determine the force of friction...
Determine the acceleration of the object...

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