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An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a)...

An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min.

(a) What is its angular velocity in radians per second?

(b) Calculate the centripetal acceleration at its edge in meters per second squared

(c) What is the linear speed of a point on its edge?

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