(II) A pinball machine uses a spring launcher that
Chapter , Problem 40(choose chapter or problem)
(II) A pinball machine uses a spring launcher that iscompressed 6.0 cm to launch a ball up a 15 ramp. Assumethat the pinball is a solid uniform sphere of radiusr = 1.0 cm and mass m = 25 g. If it is rolling without slippingat a speed of 3.0 m/s when it leaves the launcher, whatis the spring constant of the spring launcher?
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