Question a siren has a frequency of 906 hz when it and an, Ask an Expert

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Question: A siren has a frequency of 906 Hz when it and an observer are both at rest. The observer then starts to move and finds that the frequency he hears is 1239 Hz.

A- What is the seed of the obsrver?

________m/s

Please use as much detail as possible in answer. Thanks!

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Category:- Physics
Reference No.:- M91231417

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