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. 336.1280 mW 363.1280 mW O 726.256mW O 762.265 mW

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. 336.1280 mW 363.1280 mW O 726.256mW O 762.265 mW

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 103AP: Radar is used to determine distances to various objects by measuring the round-trip time for an echo...

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Concept explainers

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.

Question

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.
336.1280 mW
363.1280 mW
O 726.256mW
O 762.265 mW

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