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A pinball machine is constructed by placing a spring of force constant k at the bottom...

A pinball machine is constructed by placing a spring of force constant k at the bottom of a ramp length L inclined at 30 degrees. You want to launch the pinball (sphere with mass m and radius r) so that it can barely reach the top of the ram without rolling back. Find the distance that the spring should be compressed. (assume friction is bug enough so that the balls begins to roll without slipping immediately after the launch)

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30° Soli- given 0 diagram sin 509 HIL T H el HIL Vla - 1300 H: So here is) KE ana PE elastic p.E of spring is converted (So s30° Soli- given 0 diagram sin 509 HIL T H el HIL Vla - 1300 H: So here is) KE ana PE elastic p.E of spring is converted (So s

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