A person with mass mp = 76 kg stands on a spinning platform disk with a radius of R = 1.98 m and mass md = 191 kg. The disk is initially spinning at ω = 1.7 rad/s. The person then walks 2/3 of the way toward the center of the disk (ending 0.66 m from the center).
If the person now walks back to the rim of the disk, what is the final angular speed of the disk?
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Home » Physics » A person with mass mp = 76 kg stands on a spinning platform disk with a radius of R = 1.98 m and mass md = 191 kg. The disk is initially spinning at ω = 1.7 rad/s. The person then walks 2/3 of the way toward the center of the disk (ending 0.