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HHH

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## Homework Statement

A violin string with a mass of 0.35g is 33 cm long. The frequency of a wave supported by the string is 196 Hz.

What is the speed of the wave?

## Homework Equations

Ln = n/2 *lambda

v = f*lambda

## The Attempt at a Solution

1. Solve for wave length [/B]

L1 = 1/2 *lambda

0.33 = 1/2 * lambda

0.33 *2 = lambda

0.66 = lambda

**2. Solve for speed of wave**

v = f * lambda

v = 196 * 0.66

v = 129.36 m/s

I just assumed you have to use first harmonic and got the right answer, but why do we have to use first harmonic? or is there another way to do it?

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