A grinding wheel is spinning at a rate of 20.0 revolutions per second. When the power tothe grinder is turned off, the grinding wheel slows with constant angular acceleration andtakes 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?

FrEq

f

g

rtg

tr

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Explanation:

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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