A 2.80 kg grinding wheel is in the form of a solidcylinder of radius 0.100 m.(a) What constant torque will bring it from rest to anangular 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 itis rotating at 1200 rev/min?(e) What is the average power supplied to the wheel?

mass= 2.80 kgradius= 0.1 mangular speed= 1200 rev/mintime= 2.5 s

Answered: A 2.80 kg grinding wheel is in the form…

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 17PQ

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