1.

A fan moves at 350 rpm. Find average speed of the tip in minutes if the blade length from the centre is 1m

Answer»

The angular velocity is w.


Lets CALCULATE it :


350 REV per minute


How many revolutions per second?


350 / 60 = 5.83 revolutions per second.


One REVOLUTION = 2π


Angular velocity = 2 π × 5.83 = 11.66π radians


The linear velocity = RW


Where r = radius, w=angular velocity


V = 1 × 11.66π = 36.63 m/s



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