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ohana76
27.07.2019 •
Mathematics
Consider a pipe of length 80.0 cm open at both ends. what is the lowest frequency f of the sound wave produced when you blow into the pipe? express your answer in hertz.
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Ответ:
where v=343 m/s
length of standing wave
λ=2*L=1.6m (since both of the ends are open),
L=80.0cm =0.8m; but we are going to rearrange it.
Therefore fundamental frequency is:
f=v/λ
= 343/(2*0.8)
=214.375 Hz
Ответ:
1. +4
2. -7
3. +2.5
4. +1/3
Explanation:
Hope this helps, branilest plzzz