A ceiling fan with $85-$cm

$-$diameter blades is turning at $60$ rpm

$.$ Suppose the fan coasts to a stop $28$ s

after being turned off.

Part A

What is the speed of the tip of a blade $10$ s

after the fan is turned off?

Express your answer with the appropriate units.

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v

$=$

nothing

nothing

Request Answer

Part B

Through how many revolutions does the fan turn while stopping?

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Number of revolutions $=$

nothing