If you lift the front wheel of a poorly maintained bicycle?
If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72 rev/s, friction in the bearings causes the wheel to stop
in just 12 s. If the moment of inertia of the wheel about its axle is 0.30 kg*m^2, what is the magnitude of the frictional torque?
see the Pearson’s chi square test
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