college physics

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When a carpenter shuts off his circular saw, the 10.0-inch diameter blade slows from 4670 rpm to zero in 3.00 s.
1) What is the distance traveled by a point on the rim of the blade during the deceleration? (in ft}
2)What is the magnitude of the net displacement of a point on the rim of the blade during the deceleration? (in inch}

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