A bicycle Wheel-Physics Help?

  • Thread starter Thread starter bananababy4life
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bananababy4life

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A bicycle wheel, of radius 0.33 m and mass 3 kg (concentrated on the rim), is rotating at 4.18 rev/s. After 44 s the wheel comes to a stop because of friction. What is the magnitude of the average torque due to frictional forces?
 
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