A 100-Hz sound wave has a wavelength of 4 meters. What is the speed ?

Topniveauh2 2022-09-17 Answered
A 100-Hz sound wave has a wavelength of 4 meters. What is the speed ?
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Answers (2)

Lorenzo Acosta
Answered 2022-09-18 Author has 10 answers
Speed (v) wavelength ( λ) and frequency (f) are related as
v = f λ
v = 100 H z × 4 m = 400 m / s
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hommequidort0h
Answered 2022-09-19 Author has 2 answers
Speed and wavelength are related through the following equation,
v = f λ
f is the frequency of the wave in hertz
λ is the wavelength in meters
Note that: 1 H z = 1 s 1
So here, we got:
v=100 Hz*4m
=400Hz M
= 400 m s 1
=400m/s
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