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pishuonlain [190]
3 years ago
13

A Sound wave has a frequency of 192 HZ and travels across a football field (91.4m) in 2 seconds. what is the wavelength of the s

ound wave?​
Physics
1 answer:
igor_vitrenko [27]3 years ago
3 0

The wavelength of the sound wave is 0.24 m

Explanation:

First of all, we calculate the  speed of the wave, which is the ratio between the distance covered by the wave and the time taken:

v=\frac{d}{t}

where, for the wave in this problem

d = 91.4 m

t = 2 s

Substituting,

v=\frac{91.4}{2}=45.7 m/s

Now we can find the wavelength of the wave by using the wave equation:

v=f \lambda

where

v is the speed of the wave

f is its frequency

\lambda is the wavelength

For the wave here,

f = 192 Hz

v = 45.7 m/s

Solving for the wavelength,

\lambda = \frac{v}{f}=\frac{45.7}{192}=0.24 m

Learn more about waves:

brainly.com/question/5354733

brainly.com/question/9077368

#LearnwithBrainly

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