2 years ago

2 examples of where ground water comes from

2 answers:

8 0

Answer: Example of ground water

Explanation: Groundwater is part of the hydrologic cycle, originating when part of the precipitation that falls on the Earth's surface sinks (infiltrates) through the soil and percolates (seeps) downward to become groundwater.

LenaWriter [7]2 years ago

7 0

Floor because it’s from the nature flooor

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A device that measures potential is a(n) circuit.

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Answer:

voltmeter

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A voltmeter is the instrument used to measure a potential difference between two points in an electric circuit.

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3 years ago

A bus is moving with an acceleration of 4 m/s^2. If it was initially at rest,

shusha [124]

Probably b) 6 m/s
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A U-shaped tube open to the air at both ends contains some mercury. A quantity of water is carefully poured into the left arm of

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Answer:

a) $P=2450\ Pa$

b) $\delta h=23.162\ cm$

Explanation:

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height of water in one arm of the u-tube, $h_w=25\ cm=0.25\ m$

Gauge pressure at the water-mercury interface,:

$P=\rho_w.g.h_w$

we've the density of the water $=1000\ kg.m^{-3}$

$P=1000\times 9.8\times 0.25$

$P=2450\ Pa$

Now the same pressure is balanced by the mercury column in the other arm of the tube:

$\rho_w.g.h_w=\rho_m.g.h_m$

$1000\times 9.8\times 0.25=13600\times 9.8\times h_m$

$h_m=0.01838\ m=1.838\ cm$

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$\delta h=h_w-h_m$

$\delta h=25-1.838$

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2 years ago

Hello i need help with this!!

mr Goodwill [35]

Answer:

Yes

Explanation:

If lamp A burnt out there would still be a wire above it that connects lamp B and C to the power source

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A student is asked to determine the work done on a block of wood when the block is pulled horizontally using an attached string.

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