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kifflom [539]
3 years ago
7

How many million Christmas trees were sold in the year 2000?

Physics
1 answer:
Sergio039 [100]3 years ago
5 0

Explanation:

Christmas tree production occurs worldwide on Christmas tree farms, in artificial tree factories and from native strands of pine and fir trees. Christmas trees, pine and fir trees purposely grown for use as a Christmas tree, are grown on plantations in many western nations, including Australia, the United Kingdom and the United States. In Australia, the industry is relatively new, and nations such as the United States, Germany and Canada are among world leaders in annual production.

Great Britain consumes about 8 million trees annually, while in the United States between 35 and 40 million trees are sold during the Christmas season. Artificial Christmas trees are mostly produced in the Pearl River delta area of China. Christmas tree prices were described using a Hotelling-Faustmann model in 2001, the study showed that Christmas tree prices declined with age and demonstrated why more farmers do not price their trees by the foot. In 1993, economists made the first known demand elasticity estimates for the natural Christmas tree market.

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A fluid is flowing with an average speed of 1.5 m/s through a tube that has a radius of 2.0 mm and is 18 cm long. The drop in pr
Ymorist [56]

Answer:

μ = 0.038 Pa.s

Explanation:

Given that

V= 1.5 m/s

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If we assume that flow inside the tube is laminar ,then the pressure drop ΔP given as

\Delta P=\dfrac{32\mu LV^2}{d^2}

\Delta P=\dfrac{32\mu LV^2}{d^2}

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\mu = \dfrac{967\times 0.004^2}{0.18\times 1.5^2}\ Pa.s

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4 years ago
Will upvote
Debora [2.8K]
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because it involves lots of angular mechanics that allow it to balance itself when moving.

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4 years ago
Why do objects repel and attract?
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3 years ago
In a wave, what is the distance from crest to crest or from trough to trough
zhuklara [117]
<h2>Answer:</h2>

<u>The distance is known as</u><u> wavelength</u>

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