Aceiling fan with 16-in. blades rotates at 45 rpm.

a) find the angular speed of the fan in rad/min.

b) find the linear speed of the tips of the blades in in./min.

* teacher said to not use the formulas (don't use ω=/) and just use conversion method. i'm kind of

(A) "" would be the angular speed.

(B) "" would be the linear speed.

As we know that,

The ceiling fan is rotating circular, so

(A)

The angular speed will be:

=

=

(B)

Linear speed,

The Linear speed will be:

=

=

Thus the above solution is right.

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A. We're told the fan completes 45 full revolutions every minute. One full revolution is , so the fan has an angular speed of

B. Throughout one full revolution of the fan, a point at the tip of one of the fan's blades travels the circumference of a circle with radius 16 in. The circumference is then . This means the linear speed is

50-38=12

step-by-step explanation: