(Answered) A small rubber wheel is used to drive a large pottery wheel

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A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 2.0 cm and accelerates at the rate of 7.4 rad/s², and it is in contact with the pottery wheel (radius 25.0 cm) without slipping.

(a) Calculate the angular acceleration of the pottery wheel.

___rad/s²

(b) Calculate the time it takes the pottery wheel to reach its required speed of 85 rpm.

____s

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