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A small button placed on a horizontal rotating platform withdiameter 0.320m will revolve with the platform when it is broughtup to a speed of 40.0 rev/min, provided the button is no more than0.150m from the axis.

a) What is the coefficient of staticfriction between the button and the platform?

b) How far from the axis can the button be placed, without slipping, if the platformrotates at 60.0 rev/min?

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Category:- Physics
Reference No.:- M91097082

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