A grinding wheel is spinning at a rate of 200 revolutions, Ask an Expert

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A grinding wheel is spinning at a rate of 20.0 revolutions per second. When the power to the grinder is turned off, the grinding wheel slows with constant angular acceleration and takes 80.0 s to come to a rest.

(a) What was the angular acceleration of the grinding wheel as it came to rest?

(b) How many rotations did the wheel make during the time it was coming to rest?

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Category:- Physics
Reference No.:- M9893849

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