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a fan rotates at constant speed of 60 rpm ,the total angular displacement it makes in 10sec- ?

a fan rotates at constant speed of 60 rpm ,the total angular displacement it makes in 10sec- ?

Grade:12th pass

1 Answers

Kruthik
119 Points
6 years ago
In 60 seconds, it covers 60 rotations, thus in 10 seconds, it will cover 10 rotations. Angle covered by fan will be 20 pi. Angular displacement is d(theta)/dt, so, the answer is 2pi radians per second

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