2010
Physics
67e856d33cf20db308447ec1
A 0.040kg string 0.80m long is stretched and vibrated in a fundamental mode with a frequency of 40Hz. What is the speed (of propagation) of the wave and tension in the string?
A.
64m/s
B.
340m/s
C.
32m/s
D.
128m/s
Correct Answer: 64m/s
Explanation
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