College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A 2.80 kg grinding wheel is in the form of a solid
cylinder of radius 0.100 m.
(a) What constant torque will bring it from rest to an
angular speed of 1200 rev/min in 2.5 s?
(b) Through what angle has it turned during that time?
(c) Calculate the work done by the torque.
(d) What is the grinding wheel's kinetic energy when it
is rotating at 1200 rev/min?
(e) What is the average power supplied to the wheel?
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Transcribed Image Text:A 2.80 kg grinding wheel is in the form of a solid cylinder of radius 0.100 m. (a) What constant torque will bring it from rest to an angular speed of 1200 rev/min in 2.5 s? (b) Through what angle has it turned during that time? (c) Calculate the work done by the torque. (d) What is the grinding wheel's kinetic energy when it is rotating at 1200 rev/min? (e) What is the average power supplied to the wheel?
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