Flywheels are solid, uniform disks that spin around an axis running through their center of mass and perpendicular to the plane of the disk. They are integral parts of many mechanical devices. One such flywheel spinning at 500.0 rpm has a radius of 1.2 m and requires 5.1 kJ of work in order to bring it to rest. What is the mass of this flywheel? Inywheel = MR2/2 %3D

University Physics Volume 1
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Chapter11: Angular Momentum
Section: Chapter Questions
Problem 59P: A bug of mass 0.020 kg is at rest on the edge of a solid cylindrical disk (M=0.10kg,R=0.10m)...
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Flywheels are solid, uniform disks that spin around an axis running through
their center of mass and perpendicular to the plane of the disk. They are
integral parts of many mechanical devices. One such flywheel spinning at
500.0 rpm has a radius of 1.2 m and requires 5.1 kJ of work in order to bring
it to rest. What is the mass of this flywheel?
lniywheel = MR2/2
%3D
O 6.0 kg
O 4.4 kg
O 5.2 kg
O 6.8 kg
Transcribed Image Text:Flywheels are solid, uniform disks that spin around an axis running through their center of mass and perpendicular to the plane of the disk. They are integral parts of many mechanical devices. One such flywheel spinning at 500.0 rpm has a radius of 1.2 m and requires 5.1 kJ of work in order to bring it to rest. What is the mass of this flywheel? lniywheel = MR2/2 %3D O 6.0 kg O 4.4 kg O 5.2 kg O 6.8 kg
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