Homework Help: Physics

Posted by Lizzie on Tuesday, November 25, 2008 at 8:58pm.

Standing waves are produced in a string that is 4.0 m long. If the waves are travelling at 125 cm/s and the distance between the first and the fifth nodes is 80.0 cm, find the frequency of the waves.

Physics - Shaniquaa, Tuesday, November 25, 2008 at 9:36pm
Use f=nv/(2L)
f = 5*1.25m/s/(2*4.0 m)
f=.781 Hz

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