Question #6b64f

1 Answer
Nam D.
Feb 5, 2018

Please refer to the explanation.

Explanation:

Frequency can be defined as the following equation,

#f=c/lambda#

#c# is the speed of the wave

#lambda# is the wavelength

#:.f=(330m"/"s)/(2.01m)~~164.18Hz#

Then, we know that, the time (period) is inversely proportional to the frequency, that is

#T=1/f#

#:.T_"wave"=1/(164.18Hz)~~6.09ms#

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