18. Waves & Sound
Standing Waves
12:10 minutes
Problem 17b
Textbook Question
Textbook QuestionWhen mass M is tied to the bottom end of a long, thin wire suspended from the ceiling, the wire's second-harmonic frequency is 200 Hz. Adding an additional 1.0 kg to the hanging mass increases the second-harmonic frequency to 245 Hz. What is M?
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