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julia-pushkina [17]
3 years ago
14

Chloe is playing the flute some distance away from a crowd. If the atmospheric temperature is 15°C, what is the speed of the sou

nd traveling from the flute?
A.) 340 meters/second

B.) 330 meters/second

C.) 320 meters/second

D.) 310 meters/second

E.) 300 meters/second
Physics
1 answer:
borishaifa [10]3 years ago
7 0
I believe the answer to your question is A. 340 meters/second hope i helped
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How much would it cost to cover the entire land area of the U.S. in dollar bills?
agasfer [191]

Answer:

  $900 trillion

Explanation:

If Alaska is 20% of the contiguous US, then the approximate area of interest is ...

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The size of a dollar bill is about ...

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One mile is 160,934.4 cm, so 1 square mile is about ...

  1 mi^2 = (160,934.4 cm)^2 ≈ 2.59·10^10 cm^2

The number of dollars of interest is then ...

  (3.6 · 10^6 mi^2)(2.59 · 10^10 cm^2)/(100.75 cm^2) ≈ 9.3·10^14

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3 years ago
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