Question

an electric fan has blades of length 60 cm as measured from the axis of rotation if the fan is rotating at 1200 rpm the acceleration of a point on a tip of the blade is about​

Answer 1

Answer:

1 rpm =

30

π

rads

−1

so ω=1200×

30

π

=40πrads

−1

acceleration of the point at the tip =ω

2

r=(40π)

2

×

100

30

=4737.41ms

−2

and the closest answer is 4740ms

−2

.

Answer 2

Answer:

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