Answered

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: You have an unknown tuning fork, it hits its first resonance at 31cm. What is its frequency?​

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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