Homework Help: Physics

Posted by Tim on Sunday, March 3, 2013 at 2:23pm.

The distance between a loudspeaker and the left ear of a listener is 2.19 m. (a) Calculate the time required for sound to travel this distance taking the speed of sound to be 343 m/s. (b) Assuming that the sound frequency is 525 Hz, how many wavelengths of sound are contained in this distance?

Physics - Damon, Sunday, March 3, 2013 at 2:33pm
Am I to believe that you are unable to do any problem that concerns a wave? Please you try first, then ask for help.
Physics - Tim, Sunday, March 3, 2013 at 2:42pm
Damon, I am so lost, could you at least give me a hint so I can show you some work?
Physics - Elena, Sunday, March 3, 2013 at 3:10pm
t = s/v =2.19/343 = 6.38•10⁻³s
λ =v/f = 343/525 = 0.653 m
N = s/ λ
Physics - Tim, Sunday, March 3, 2013 at 3:28pm
Thank you Elena .... you are a much better helper than Damon

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