A person of mass 55 kg stands at the center of a rotating merry go round platform of radius 2.5 m and moment of inertia 670 kg • m?. The platform rotates without friction with an angular velocity 2.0 rad/s. The person walks radially to the edge of the platform. a. Calculate the angular velocity when the person reaches the edge.
A person of mass 55 kg stands at the center of a rotating merry go round platform of radius 2.5 m and moment of inertia 670 kg • m?. The platform rotates without friction with an angular velocity 2.0 rad/s. The person walks radially to the edge of the platform. a. Calculate the angular velocity when the person reaches the edge.
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Transcribed Image Text:A person of mass 55 kg stands at the center of a rotating merry go round
platform of radius
2.5 m and moment of inertia 670 kg • m?. The platform rotates without
friction with an angular velocity 2.0 rad/s. The person walks radially to the
edge of the platform.
a. Calculate the angular velocity when the person reaches the edge.
b. Compare the rotational kinetic energies of the system of platform plus
person before and after the person's walk.
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