What happens if an object is in orbit and the gravity increases?
A. The object will stop moving.
B. The object will fly off into space.
C. The object will smash into another object.
D. The object will float better.

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