Properties seen when one substance changes to another are know as properties

What is a carrier wave and how does it affect what you hear on the radio

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

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