Question

A circular platform is mounted on a vertical frictionless axle. Its radius is r = 2m and its moment of inertia is i = 200 kg-m2. It is initially at rest. A 70 kg man stands on the edge of the platform and begins to walk along the edge at speed v0=1.0m/sv0=1.0m/s relative to the ground. The angular velocity of the platform is:

Answer 1

Answer:

Explanation:0 = 50 *1 *2 -200w

W = 1/2 rad /s

Vr = 1 +2(1/2)

T=2pi (2)/2 =2pi

Answer 2

Answer:

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