A pinball machine uses a spring launcher that is compressed
Subject: Physics   / General Physics
Question
A pinball machine uses a spring launcher that is compressed 6.6 cm to launch a ball up a 17 ?ramp. Assume that the pinball is a solid uniform sphere of radius r = 1.0cm and mass m = 28 g .If it is rolling without slipping at a speed of 3.1 m/s when it leaves the launcher, what is the spring constant of the spring launcher?
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