Question: A string is fixed between points X and Y. A stationary wave pattern is formed on the stretched string. The distance between X and Y

A string is fixed between points X and Y.

A stationary wave pattern is formed on the stretched string.

X Y 78.0 cm Figure 14.18


The distance between X and Y is 78.0 cm. The string vibrates at a frequency of 120 Hz.

What is the speed of the progressive wave on the string?
A. 11.7 m s−1
B. 23.4 m s−1
C. 46.8 m s−1
D. 93.6 m s−1

X Y 78.0 cm Figure 14.18

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