A grinding wheel is in the form of a uniform solid disk of radius 7.07 cm and mass 1.98 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.599 N · m that the motor exerts on the wheel. How long does the wheel take to reach its final operating speed of 1 190 rev/min? Through how many revolutions does it turn while accelerating?

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 15P: A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It...
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A grinding wheel is in the form of a uniform solid disk of radius 7.07 cm and mass 1.98 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.599 N · m that the motor exerts on the wheel.

  1. How long does the wheel take to reach its final operating speed of 1 190 rev/min?
  2. Through how many revolutions does it turn while accelerating?
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