Please help me. The diagram photos is the diagram from the question and the three short paragraphs are information related to the question. Essay science question please help me out!

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

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

Mark creates a graphic organizer to review his notes aboutelectrical force.which labels belong in the regions marked x and y?