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Norma-Jean [14]
4 years ago
6

The depth of the Pacific Ocean in the Mariana Trench is 36,198 ft. What is the gauge pressure at this depth

Physics
1 answer:
FinnZ [79.3K]4 years ago
4 0

Answer:

the pressure at the depth is 1.08 × 10^{8} Pa

Explanation:

The pressure at the depth is given by,

P = h \rho g

Where, P = pressure at the depth

h = depth of the Pacific Ocean in the Mariana Trench = 36,198 ft = 11033.15 meter

\rho = density of water = 1000 \frac{kg}{m^{3} }

g = acceleration due to gravity ≈ 9.8 \frac{m}{s^{2} }

P = 11033.15 × 9.8 × 1000

P = 1.08 × 10^{8} Pa

Thus, the pressure at the depth is 1.08 × 10^{8} Pa

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A person runs 15 kilometers in two hours what is his/her average speed ​
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Answer:

\displaystyle V=7.5\ km/h

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<u>Average Speed </u>

If an object travels a distance d in a time t regardless of the direction, the average speed is the quotient of the distance over the time:

\displaystyle V=\frac{d}{t}

It's known a person runs d=15 kilometers in t=2 hours, thus his/her average speed is:

\displaystyle V=\frac{15\ km}{2\ h}

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\boxed{\displaystyle V=7.5\ km/h}

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3 years ago
After three half-lives have elapsed, the amount of an 8.0 g sample of a radionuclide that
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<h3>What is Half-Life?</h3>

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The nucleus of the atoms of radioactive elements disintegrate to half their starting amounts after every Half-Life.

After three half-lives one-eight of the original atoms remain.

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Learn more about Half-Life at: brainly.com/question/26689704

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