An electric fan is turned off, and its angular velocity decreases uniformly from 510 rev/min to...

Question

Question

An electric fan is turned off, and its angular velocity decreases uniformly from 510 rev/min to 150 rev/minin a time interval of length 4.15 s .

Part A

Find the angular acceleration α in revolutions per second per second.

Part B

Find the number of revolutions made by the fan blades during the time that they are slowing down in Part A.

Part C

How many more seconds are required for the fan to come to rest if the angular acceleration remains constant at the value calculated in Part A?

Answer 1

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Answer 2

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