Find what is the rotational kinetic energy of the system

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Reference no: EM13560601

A person of mass 75 kg stands at the center of a rotatingmerry-go-round platform of radius 2.5m and moment of inertia 1100kgm2. Theplatform rotates without friction with angular velocity3.0 rad/s. The person walks radiallyto the edge of the platform.

(a) Calculate the angular velocity when the personreaches the edge.

rad/s

(b) Calculate the rotational kinetic energy of the system ofplatform plus person before and after the person's walk.

J (before)

J (after)

Reference no: EM13560601

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