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A piano wire with mass 2.95 g and length 76.0 cm is stretched with a tension...

A piano wire with mass 2.95 g and length 76.0 cm is stretched with a tension of 29.0 N. A wave with frequency 105 Hz and amplitude 1.50 mm travels along the wire.

Part A

Calculate the average power carried by the wave.

Express your answer in watts.

Part B

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

Express your answer in watts.

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