# Physics - urgent

A pipe 0.14 meters long and capped at one end exists in a room where the speed of sound is 350 m/s. Determine the three lowest frequencies that will resonate within the tube.

[Enter the frequencies in order from lowest to highest.]

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1. http://www.physicsclassroom.com/class/sound/Lesson-5/Closed-End-Air-Columns

remember
period T = wavelength/speed
and
f = 1/T = 350/wavelength

here the lowest frequency is when .14 meter = half a wavelength
so wavelength = .28 meter
lowest f = 350/.28

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posted by Damon

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