Aplane accelerates from rest a constant rate of

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

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

What was the first instrument to ever record an earthquake?