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yjk91

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## Homework Statement

You are playing a note that has a fundamental frequency of 428 Hz on a guitar string of length 56 cm. At the same time, your friend plays a fundamental note on an open organ pipe, and 6 beats per seconds are heard. The mass per unit length of the string is 2 g/m. Assume the velocity of sound is 343 m/s.

(a) What are the possible frequencies of the open organ pipe? (Enter your answers from smallest to largest.)

(b)What is the length of the organ pipe?

## The Attempt at a Solution

What does 6 beats per seconds mean?

does it mean that there are 6 nodes?