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Elza [17]
3 years ago
6

The duration between the emission of the sound from the echo reception is: t - 1.5 s. the distance between the observer and the

sound receiver knowing that the speed of sound in the air is worth
V - 340 m/s is:
Physics
2 answers:
ryzh [129]3 years ago
7 0


A sound wave has a frequency of 60.0 Hz. What is its period? If the speed of sound in air is 343 m/s, what is the wavelength of the sound wave? 25. Water waves in ...
algol133 years ago
4 0

Answer:

. tt tt t t t t t t tt t tt t t jk j k j k j k j k jk k j k jk

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Carol drops a stone in a mine shaft 122.5 metres deep.How
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Answer:

 T = 5.36 s

Explanation:

given,

depth of the mine shaft = 122.5 m

speed of the sound = 340 m/s

time taken  = ?

time taken by the stone to reach at the bottom

using equation of motion

s = u t + \dfrac{1}{2}gt^2

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t = \sqrt{\dfrac{2s}{g}}

t = \sqrt{\dfrac{2\times 122.5}{9.8}}

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time taken by the sound to travel

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 t = \dfrac{122.5}{340}

    t = 0.36 s

total time taken for the sound to reach carol after dropping the stone

T = 5 + 0.36

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Help please <br><br><br> What is elastic potential energy
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The following are explanations why there is light. Which of the following is true?
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