Which will move faster: a toy car rolling across sandpaper or a toy car rolling across the table?

Describe uniform velocity and variable velocity in short

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

How will the system respond to a temperature increase?