Please help me A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axle through the center of thedisk. The platform has a radius of 4.56 m and a rotational inertia of 333 kg-m2 about the axis of rotation. A 52.1 kg student walksslowly from the rim of the platform toward the center. If the angular speed of the system is 1.30 rad/s when the student starts at therim, what is the angular speed when she is 1.95 m from the center?NumberiUnits

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A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axle through the center of the disk. The platform has a radius of 4.56 m and a rotational inertia of 333 kg-m² about the axis of rotation. A 52.1 kg student walks slowly from the rim of the platform toward the center. If the angular speed of the system is 1.30 rad/s when the student starts at the rim, what is the angular speed when she is 1.95 m from the center? Number i Units

A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axle through the center of the disk. The platform has a radius of 4.56 m and a rotational inertia of 333 kg-m² about the axis of rotation. A 52.1 kg student walks slowly from the rim of the platform toward the center. If the angular speed of the system is 1.30 rad/s when the student starts at the rim, what is the angular speed when she is 1.95 m from the center? Number i Units

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter13: Rotation Ii: A Conservation Approach

Section: Chapter Questions

Problem 49PQ: A turntable (disk) of radius r = 26.0 cm and rotational inertia0.400 kg m2 rotates with an angular...

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