A disk is rotating with some angular velocity as part of an isolated system. A particle on the rim of the disk has a mass of 5.0 µg. The instantaneous tangential velocity of the particle is (80.0 î + 80.0 ĵ) m/s. The position of the particle is (5.0 i - 2.0 j ) m. In order to increase the velocity of the particle, an external force of (2.0 î + 3.0 j ) N is applied. Select the correct instantaneous angular momentum of the particle before the external force is applied and the torque acting on the particle after the force is applied.

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 7PQ: A 12.0-kg solid sphere of radius 1.50 m is being rotated by applying a constant tangential force of...
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A disk is rotating with some angular velocity as part of an isolated system. A particle on the rim of the
disk has a mass of 5.0 µg. The instantaneous tangential velocity of the particle is (80.0 î + 80.0 ĵ) m/s.
The position of the particle is (5.0 î - 2.0 ĵ ) m. In order to increase the velocity of the particle, an
external force of (2.0 î + 3.0 ĵ ) N is applied. Select the correct instantaneous angular momentum of the
particle before the external force is applied and the torque acting on the particle after the force is
applied.
Transcribed Image Text:A disk is rotating with some angular velocity as part of an isolated system. A particle on the rim of the disk has a mass of 5.0 µg. The instantaneous tangential velocity of the particle is (80.0 î + 80.0 ĵ) m/s. The position of the particle is (5.0 î - 2.0 ĵ ) m. In order to increase the velocity of the particle, an external force of (2.0 î + 3.0 ĵ ) N is applied. Select the correct instantaneous angular momentum of the particle before the external force is applied and the torque acting on the particle after the force is applied.
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