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Q. A ceiling fan with 85cm diameter blades is turning at 62 rpm. Assume the fan coasts to a stop 29 s after being turned off.

i. What is the speed of the tip of a blade 10s after the fan is turned off?

ii. By how various revolutions does the fan turn while stopping?

Q. What is the tangential acceleration of a bug on the rim of a 7 in. diameter disk if the disk moves from rest to an angular speed of 76 revolutions per minute in 4 s?

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Category:- Physics
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