A uniform disk of radius R and mass M is spinning with angular speed It is placed on a fiat horizontal surface; the coefficient of kinetic friction between disk and surface is (a) Find the frictional torque on the disk. (b) How long will it take for the disk to come to rest?

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Navjyot Kalra · Answer

Also, the frictional force on the ring is: Integrate the above expression,

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A uniform disk of radius R and mass M is spinning with angular speed It is placed on a fiat horizontal surface; the coefficient of kinetic friction between disk and surface is (a) Find the frictional torque on the disk. (b) How long will it take for the disk to come to rest?

A uniform disk of radius R and mass M is spinning with angular speed It is placed on a fiat horizontal surface; the coefficient of kinetic friction between disk and surface is (a) Find the frictional torque on the disk. (b) How long will it take for the disk to come to rest?

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