A turntable with a moment of inertia / = 0.25 kg m² is initially spinning at an angular velocity of wo = 7.7 rad/s. If friction in the bearings exerts a constant torque of 7 = 0.47 Nm, how long does it take for the turntable to stop spinning? Enter your answer in seconds, without the unit.

A turntable with a moment of inertia / = 0.25 kg m² is initially spinning at an angular velocity of wo = 7.7 rad/s. If friction in the bearings exerts a constant torque of 7 = 0.47 Nm, how long does it take for the turntable to stop spinning? Enter your answer in seconds, without the unit.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 20PQ: A wheel starts from rest and in 12.65 s is rotating with an angular speed of 5.435 rad/s. a. Find...

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A turntable with a moment of inertia / = 0.25 kg m² is initially spinning at an angular velocity of wo = 7.7 rad/s. If friction in the bearings exerts a constant torque of 7 = 0.47 Nm, how
long does it take for the turntable to stop spinning? Enter your answer in seconds, without the unit.

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