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Mashcka [7]
2 years ago
10

Explain why sound is more clear at night than the day​

Physics
1 answer:
meriva2 years ago
5 0

because of god we can hear better at night.

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Imagine the deep, low sound made by a tuba. Now, what is an example of a sound with a much higher pitch?
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Between 1911 and 1990, the top of the leaning bell tower at Pisa, Italy, moved toward the south at an average rate of 1.2 mm/y.T
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Answer:

Angular speed, \omega=6.90\times 10^{-13}\ rad/s

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1\ mm/yr=3.171\times 10^{-11}\ m/s

Velocity, v=3.80\times 10^{-11}\ m/s

Height of the tower, h = 55 m

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v=r\omega

\omega=\dfrac{v}{r}

\omega=\dfrac{3.80\times 10^{-11}\ m/s}{55\ m}

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So, the average angular speed of the tower’s top about its base is 6.90\times 10^{-13}\ rad/s. Hence, this is the required solution.

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3 years ago
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