# Physics

A) What is the kinetic energy of a 1200kg car traveling at a speed of 30 m/s (≈65mph)?

B) From what height would the car have to be dropped to have this same amount of kinetic energy just before impact?

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1. (1/2)(1200)(900) = 540,000 joules

m g h = 1200 * 9.81 * h = 540,000

h = 45.9 meters

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posted by Damon

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