The angular momentum of a spinning wheel is 218 kg·m2/s. After application of a constant braking torque for 2.30 s, it slows and has a new angular momentum of 115 kg·m2/s. What is the torque applied? If the applied torque is in the direction of the rotation of the wheel, enter a positive value and if the applied torque is opposite to the rotation of the wheel, enter a negative value.

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 16PQ
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The angular momentum of a spinning wheel is 218 kg·m2/s. After application of a constant braking torque for 2.30 s, it slows and has a new angular momentum of 115 kg·m2/s. What is the torque applied? If the applied torque is in the direction of the rotation of the wheel, enter a positive value and if the applied torque is opposite to the rotation of the wheel, enter a negative value.

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