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creativ13 [48]
3 years ago
12

Plzzzzzzzzzzzzzzzzzzz help me in these 3 questions plzzzzzzzzzzzzzzzzz ASAP!!

Physics
1 answer:
lana [24]3 years ago
3 0
A infared light has a higher
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Sonar is a device that uses reflected sound waves to measure underwater depths. If a sonar signal has a frequency of 288 Hz and
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Answer:

5.03 m

Explanation:

The wavelength of a wave is given by

\lambda=\frac{v}{f}

where

v is the speed of the wave

f is the frequency of the wave

For the sonar signal in this problem,

f=288 Hz

v=1.45\cdot 10^3 m/s

Substituting into the equation, we find the wavelength:

\lambda=\frac{1.45\cdot 10^3 m/s}{288 Hz}=5.03 m

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