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RoseWind [281]
3 years ago
13

Within which type of water body does water move the slowest?

Physics
2 answers:
lawyer [7]3 years ago
6 0
It's D i'm pretty sure
irakobra [83]3 years ago
3 0
The answer is D. Groundwater
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Answer:

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Solution:

As per the question:

Diameter of the pool, d = 12 m

⇒ Radius of the pool, r = 6 m

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Now,

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Average height of the pool, h = \frac{H + D}{2}

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Volume of water in the pool, V = \pi r^{2}h = \pi \times 6^{2}\times 2.75 = 311.02\ m^{3}

Mass of water, m_{w} = \frac{\rho_{w}}{V}

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Work done is given by the potential energy of the water as:

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(b) Work done to pump all the water through an outlet of 2 m:

Now,

Height, h = 2.75 + 2 = 4.75

Work done,W = m_{w}gh = 3.215\times 9.8\times 4.75 = 149.65\ J

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