Ch17 Passengers on a train hear its whistle at a frequency of 735 Hz. What frequency does someone standing by the train tracks hear as it moves

Ch17 Passengers on a train hear its whistle at a frequency of 735 Hz. What frequency does someone standing by the train tracks hear as it moves directly toward her at a speed of 22.5 m/s?

Passengers on a train hear its whistle at afrequency of735 HzSo, frequency of the source =n= 735 Hz n‘ = n n=735 HzVelocity of observer=uo= oVelocity of source= us= 22.5 m/s Velocity of...