A grinding wheel 0.40 m in diameter rotates at 2200 rpm . a.) Calculate its angular velocity in rad/s. Express your answer using three significant figures. w=_______________rad/s b.) What is the linear speed of a point on the edge of the grinding wheel? Express your answer to two significant figures and include the appropriate units. v= ______________ ______________ c.) What is the acceleration of a point on the edge of the grinding wheel? Express your answer to two significant figures and include the appropriate units. aR=______________ _____________

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