18. Waves & Sound
Average Power of Waves on Strings
6:32 minutes
Problem 15.21b
Textbook Question
Textbook QuestionII) (b) If the cord is under a tension F_T = 135 N and has mass per unit length 0.10 kg/m, what power is required to transmit 120-Hz transverse waves of amplitude 2.4 cm?
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