White light strikes a prism on one side while individual colors of light travel out of the prism on its other side. this demonstrates that a. each color of light is made up of white light b. a prism reflects white light and makes its own colored light c. white light is made up of many different colors d. all of these

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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