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Karolina [17]
3 years ago
11

The time for a sound wave to travel between two people is 0.80 s,

Physics
1 answer:
sasho [114]3 years ago
4 0

Answer:

Explanation:

Using the below formula

Speed of sound = ( distance between observers) *2/(total time taken)

Now putt the given values ,

time taken = 0.80 sec

distance = 256 m

hence

V of sound= 256*2/0.80

V of sound = 640 m/sec

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To calculate this we will use the light equation:

v = λ · f,
where:
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<span>λ - the wavelength of the ray (units: m)
</span>f - the frequency of the ray (units: Hz = 1/s <span>since Hz means cycles per second (f=1/T))
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It is given:
f = 5.10 · 10¹⁴ Hz = 5.10 · 10¹⁴<span> 1/s
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λ = 2.998 · 10⁸ m/s ÷ 5.10 · 10¹⁴ 1/s
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3 years ago
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ivolga24 [154]

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