A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 60 dB by an observer 10
km away. Treat the horn as a point source and neglect any absorption of sound by the air.
(a) What is the average power generated by the horn?
W
(b) What intensity level of the horn's sound is observed by someone waiting at an intersection 54 m from the train?
dB
What is the average power generated by the horn?
Probably through mining and excavation for gold/ore. Possibly through drilling for oil as well.
HAVE NO I DEA WAT IM TALKING ABOUT
AWNSER:YES IDK[A]
visualarts
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