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12 Nov 2019
A runner of mass 61.0 kg runs around the edge of a horizontal tunrtable mounted on a vertical, frictionless axis through its center. The runner's velocity relative to the earth has a magnitude of 2.90 m/s. The turntable is rotating in the opposite direction with an angular velocity of magnitude 0.220 rad/s relative to the earth. The radius of the turntable is 3.50 m, and its moment of inertia about the axis of rotation is 80.0 kg(m^2). Find the final angular velocity of the system if the runner comes to rest relative to the turntable. ( You can treat the runner as a particle.)
A runner of mass 61.0 kg runs around the edge of a horizontal tunrtable mounted on a vertical, frictionless axis through its center. The runner's velocity relative to the earth has a magnitude of 2.90 m/s. The turntable is rotating in the opposite direction with an angular velocity of magnitude 0.220 rad/s relative to the earth. The radius of the turntable is 3.50 m, and its moment of inertia about the axis of rotation is 80.0 kg(m^2). Find the final angular velocity of the system if the runner comes to rest relative to the turntable. ( You can treat the runner as a particle.)
Hubert KochLv2
2 Feb 2019
