Friday
July 25, 2014

Homework Help: Physics URGENT!!!

Posted by Anonymous on Thursday, December 6, 2012 at 8:48pm.

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km away.
(a) What is the average power generated by the horn? (b) What intensity level of the horns sound is observed by someone waiting at an intersection 46 m from the train? Treat the horn as a point source and neglect any absorption of sound by the air.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics URGENT!!! - A train sounds its horn as it approaches an intersection. ...
A train sounds its horn as it approaches an inters - A train sounds its horn as ...
Physics - A train sounds its horn as it approaches an intersection. The horn can...
physics - A train sounds its horn as it approaches an intersection. The horn can...
physics - A train moving with a speed of 31.8 m/s sounds a 136-Hz horn. Suppose ...
physics - I need help with this question. A commuter train blows its horn as it ...
Physics!! - A car moving at 16.0 m/s, passes an observer while its horn is ...
Physics - Richard stands on the flatbed car of a moving train playing an a on ...
DrBob222 - A car moving at 16.0 m/s, passes an observer while its horn is ...
physics - 1)As a sound source moves away from a stationary observer, the number ...

Search
Members