Aball having a mass of 200 g is released from rest at a height of 400 mm above a very large fixed metal surface. if the ball rebounds to a height of 325 mm above the surface, determine the coefficient of restitution between the ball and the surface.

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

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

Properties seen when one one substance changes to another are known as properties