A Guitar String Produces 4 Beats/s When Sounded with a 250

question 8

Multiple Choice

A guitar string produces 4 beats/s when sounded with a 250 Hz tuning fork and 9 beats per second when sounded with a 255 Hz tuning fork.What is the vibrational frequency of the string?

• A)240 Hz
• B)246 Hz
• C)254 Hz
• D)259 Hz
• E)263 Hz

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