A piano wire with mass 345g and length 850cm is stretched


A piano wire with mass 3.45g and length 85.0cm is stretched with a tension of 31.0N. A wave with frequency 120Hz and amplitude 1.70mm travels along the wire.

Part A Calculate the average power carried by the wave.

Part B What happens to the average power if the wave amplitude is halved?

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Physics: A piano wire with mass 345g and length 850cm is stretched
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