2. How does laser light differ from
normal light?​

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

At what time will the interfering waves have an amplitudeof zero?

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.