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3 v V 1 L L 2 n A whistle revolves in a circle with...

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Physics

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3 v V 1 L L 2 n A whistle revolves in a circle with angular speed 20 rad sec using a string of length 50 cm If the frequency c sound from the whistle is 385 Hz then what is the minimum frequency head by an observer which is far away fre 340m s the centre velocity of sound V sound 1 385 Hz 2 374 Hz 3 394 Hz 4 333 Hz

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