# prob03 - The Physics of Light Sound PROBLEM SET 3 GENERAL...

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The Physics of Light & Sound Instructions Complete the following exercises in class on Wednesday, May 18. Feel free to work together in groups or to consult with your instructor. These exercises are for your benefit and need not be turned in. Make sure you understand all of the material! 1. Doubling the distance a spring is stretched increases the restoring force by what factor? 2. I push a 12 kg box along a frictionless surface for a distance of 10 m applying a force of 100 N. What work is done during this process? 3. Calculate the maximum potential energy of a mass-spring system with a spring constant of k = 100 N/ m and an attached mass of 5 kg if its maximum displacement is 5 cm. 4. A 2 kg box slides down a frictionless incline as illustrated. determine its speed at the bottom of the incline if it started at the top from rest. 5. One marble is twice as heavy as another. ey are dropped to the ground from the roof of a building. Just before striking the ground, what is the ratio of the kinetic energy of the heavier to the lighter?

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