Tuesday
September 23, 2014

Homework Help: Physics URGENT!!!

Posted by Anonymous on Sunday, December 2, 2012 at 4:02pm.

A commuter train passes a passenger platform at a constant speed of 31 m/s. The train horn is sounded at its characteristic frequency of 330 Hz.Assume the speed of sound is 343 m/s.
(a) What is the frequency detected by a person on the platform as the train approaches? (b) What frequency is detected by a person on the platform as the train recedes? (c) What overall change in frequency is detected by a person on the plat-form as the train moves from approaching to receding?
(d) What wavelength is detected by a person on the platform as the train approaches?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A commuter train passes a passenger platform at a constant speed of 40...
physics - I need help with this question. A commuter train blows its horn as it ...
physics - A train is moving parallel to a highway with a constant speed of 16.0 ...
Physics - A train travels east at a speed of 50 m/s. A passenger is walking ...
physics - A train is moving parallel and adjacent to a highway with a constant ...
physics help pleased - Two trains on separate tracks move toward one another. ...
Physics - A light-rail commuter train blows its 200 Hz horn as it approaches a ...
Physics - A light-rail commuter train blows its 200 Hz horn as it approaches a ...
Physics - A train is moving at a speed of 30 m/s toward a stationary observer at...
physics - A train moving with a speed of 31.8 m/s sounds a 136-Hz horn. Suppose ...

Search
Members