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A cooling fan is turned off when it is running at 840 rev/min . It turns...

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Physics

A cooling fan is turned off when it is running at 840 rev/min .It turns 500 revolutions before it comes to a stop.

1.) What was the fan's angular acceleration, assumedconstant?

2.) How long did it take the fan to come to a complete stop?

Answer & Explanation Solved by verified expert
3.5 Ratings (453 Votes)
Initial rotational speed of the fan N1 840revminInitial angular speed of the fan 11 87965 radsFinal angular    See Answer
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