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Greeley [361]
3 years ago
14

Which terrestrial planet experiences the least daily change in temperature?

Physics
2 answers:
-Dominant- [34]3 years ago
8 0
Hello!

I think that your answer is D)

Venus temperature remain consistent.
babunello [35]3 years ago
5 0
D. Venus, it temp remains constant.
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3 years ago
(a) Calculate the absolute pressure at the bottom of a freshwater lake at a point whose depth is 30.0 m. Assume the density of t
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Answer:

(a) The absolute pressure at the bottom of the freshwater lake is 395.3 kPa

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Explanation:

(a)

The absolute pressure is given by the formula

P = P_{o} + \rho gh

Where P is the absolute pressure

P_{o} is the atmospheric pressure

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g is the acceleration due to gravity (Take g = 9.8 m/s^{2} )

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h = 30.0 m

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P_{o} = 101.3 kPa = 101300 Pa

Using the formula

P = P_{o} + \rho gh

P = 101300 + (1000×9.8×30.0)

P = 101300 + 294000

P =395300 Pa

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Hence, the absolute pressure at the bottom of the freshwater lake is 395.3 kPa

(b)

For the force exerted

From

P = F/A

Where P is the pressure

F is the force

and A is the area

Then, F = P × A

Here, The area will be area of the window of the underwater vehicle.

Diameter of the circular window = 34.1 cm = 0.341 m

From Area = πD²/4

Then, A = π×(0.341)²/4 = 0.0913269 m²

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From F = P × A

F = 395300 × 0.0913269

F = 36101.5 N

Hence, the force exerted by the water on the window is 36101.5 N

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