Posted by **Robert** on Tuesday, November 22, 2011 at 10:35pm.

. The number of vibrations per second made when a stretched wire is plucked varies directly as the square root of the tension in the wire and inversely as the length.

If a 1.23 m long wire will vibrate 325 times each second when the tension is 115 N, determine the number of vibrations per second if the wire is shortened to 0.95 m and the tension is decreased to 92.0 N.

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