Physics B-CR Identifying the Region of a Net Zero Electric Field
The three diagrams show electric field lines around a pair of like charges. Which diagram shows a net force of zero
on the charge placed at point X?

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