A piano wire with a mass of 2.75 g and a length of 85 cm is stretched with a tension of 30 N. A wave with frequency 135 Hz and amplitude 1.8 mm travels along the wire. Calculate the average power carried by the wave. 363.1280 mW 762.265 mW 726.256mW 336.1280 mW

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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.