The primary coil of a transformer has 2650 volts and a current of 66 A. What current is in the secondary coil if it has 4700 volts?*
12 =
A
*Round your answer to the nearest thousandth if necessary.

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