What do the key results indicate?
ED 2020
The density with balls

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

How can you measure the amplitude of a longitudinal wave?

First to answer will be the brainliest i need the answer asap