Physics
Physics, 30.03.2020 15:16, jsh65bsbs

A train approaches a stationary observer the velocity of train 1/20 of the velocity of sound a sharp blast is brown with the whistle of the engine at equal interval find the time interval between successive blasts as heard by an observer

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A train approaches a stationary observer the velocity of train 1/20 of the velocity of sound a sharp...

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