Apositive point charge q1 creates an electric field of magnitude e1 at a spot located at a distance r1 from the charge. the charge is replaced by another positive point charge q2, which creates a field of magnitude e2 = e1 at a distance of r2 = 2r1. how is q2 related to q1?

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.