What is the average rate at which energy is transmitted

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Q. The wave function on a taut string is y(x,t) = (0.50m)sin(12 ? t-3 ? x+?/4) where x is in meters and t in seconds.(a)What is the speed and wavelength of the wave?(b)What is the average rate at which energy is transmitted along the string if the linear mass density is 70 g/m? (c)What is the energy contained in each cycle of a wave?

Q. On a workday the average decibel level of a busy street is 69 dB, with 102 cars passing a given point every minute. If the number of cars is condensed to 39 cars every minute on a weekend, what is the decibel level of street?

Reference no: EM1370876

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