A train is moving with a speed of 31.8 m/s sounds a 136-Hz horn. (a) What frequency is heard by an observer standing near the tracks? (b) Suppose the stationary observer sounds a horn that is identical to the one on the train. What frequency is heard from this horn by a passenger in the train?© BrainMass Inc. brainmass.com March 21, 2019, 11:28 am ad1c9bdddf
(a) If the source is moving towards the stationary detector with a velocity of Vs, the pbserevd ...
The expert examines the Doppler Effect.