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OpenStudy (anonymous):
Suppose Galileo dropped a lead ball (100 kilograms) and a glass ball (1 kilogram) from the Leaning Tower of Pisa. Which one hit the ground first? (Assume that there is no air resistance.)
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OpenStudy (mrnood):
Use F=ma and the force under gravity =mg FOR BOTH balls ma=mg Work out the acceleration of each - and see what you come up with - it may surprise you, but this is a true fact of physics
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