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Sagot :
Answer:
9.7 Hz
Explanation:
Given that
c = γν
where
c = speed of light = 3*10^8 m/sec
λ = wavelength of the sound = 31 cm = 0.31 m
ν = frequency
Applying the formula directly, we have something in the nature of
3*10^8 m/sec = 0.31 m * ν
Making v subject of formula, we have
ν = 3*10^8 m/sec / 0.31 m
ν = 9.7 sec^-1
v = 9.7 Hz
This means that it's frequency has been calculated to be 9.7 Hz
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