Physics
Physics, 18.01.2020 03:31, andrejr0330jr

Alarge horizontal circular platform (m=87.1 kg, r=3.09 m) rotates about a frictionless vertical axle. a student (m=96.3 kg) walks slowly from the rim of the platform toward the center. the angular velocity ï of the system is 2.50 rad/s when the student is at the rim. a) find ï (in rad/s) when the student is 1.75 m from the center. b) find the moment of inertia of platform through the center with respect to the z-axis. c) find the moment of inertia of the student about the center axis (while standing at the rim) of the platform. d) find the moment of inertia of the student about the center axis while the student is standing 1.75 m from the center of the platform.

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Alarge horizontal circular platform (m=87.1 kg, r=3.09 m) rotates about a frictionless vertical axle...

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