What are some of the ways in which diffraction can be useful or troublesome?

Difference between series and parallel circuits

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.

Smallest intensity of a stimulus that you can detect 50 percent of the time is