Posted by **Matt** on Monday, December 6, 2010 at 5:21pm.

okay the question i got was asking the lengths of the first, second, and third waves of a standing wave, of a string that is fixed at both ends. the strings length is 2.38 meters. Ive already figured out the three lengths, being 4.76, 2.38, and then 1.59. how would i figure out the frequency of the third wavelength, if the second is 54Hz???

- physics -
**Damon**, Monday, December 6, 2010 at 5:43pm
if the wavelength is half and the speed of the wave is constant then the frequency is double.

distance = rate * time

wavelength = speed * period

period = 1/frequency

so

wavelength = speed /frequency

- physics -
**Matt**, Monday, December 6, 2010 at 5:57pm
thanks, that helped a lot!

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