Acattleman has installed a new electric fence. the cows keep escaping because they are not deterred by the low power they experience when touching the fence. there are two dials on his controls. would you tell him to change the amperage or voltage? support your answer with information from the lesson.

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