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06/11/2021 4:20 pm
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A sound signal of 128 vibrations per second has a wavelength of 2.7m. Calculate the speed with which the wave travels.
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06/11/2021 4:21 pm
Frequency is the no. of vibrations produced per second = 128 Hz
Wavelength, λ = 2.7 m
Speed = fλ
= 345.6 m/s