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Helicopter blades withstand tremendous stresses. In addition to supporting the weight of the helicopter, they are spun at rap

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Thanks for asking ..given, W = 335rev. 335X20 =3500811 rado 60 sec b ) V = Speed = Wl = 35-0811 X 3.90=136.816 m sec V = 136.306. – 0.4024) Vsoun

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