A String with a Length of 3

question 34

Multiple Choice

A string with a length of 3.0 m has two adjacent resonances at frequencies 112 Hz and 140 Hz.
-Determine the speed of the waves on the string vibrating at 140 Hz..

• A)28 m/s
• B)42 m/s
• C)56 m/s
• D)140 m/s
• E)168 m/s

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