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The figure below shows a bowling ball (uniform filled sphere) of mass M=2.4 kg and radius r (not required in final answer) which begins at rest at a height h=8.7 m and rolls without slipping down a ramp and around a circular loop of radius R=2.2 m. What is the magnitude of the normal force on the ball when it reaches the point Q? h R Q

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2 het so be the velocity at point Q. mgha mbog+mgr mazmgh-mg R2 mg (h-R) Vprv 29 (64 Uaz √ 2x 9.8+(8.7-2:2) =) UQ2 11.287 mlr

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