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rewona [7]
2 years ago
9

4. What determines which goods a country should produce and export?

Physics
1 answer:
tangare [24]2 years ago
8 0

Answer:

net exporter

Explanation:

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The concentration of sodium and potassium ions in the blood and body fluid is regulated by :
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Answer:

Kidney

Explanation:

One of the main function of the kidney is to maintain the homeostasis of sodium and potassium ions in the blood and body.

Aldosterone is a key steroid hormone that balances sodium and potassium ions in the blood and body fluid. Potassium and sodium ions generate electric impulse in the body which helps to perform different activities such as muscles flexing.

Kidney function for reabsorption and secretion, in which reabsorption of Na is done nd balances the sodium and potassium in the blood and body.

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Is a solid PETROLEM
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Which of Newton's motion laws BEST explains WHY a rock falls when it is dropped from a bridge?
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It’s A because it stays in motion whenever you drop it
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A 25 kg child is riding on a swing. If the child travels 8.9 m/s at the bottom of their swing, how high into the air is the chil
Setler [38]

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h = 4.04 m

Explanation:

Given that,

Mass of a child, m = 25 kg

The speed of the child at the bottom of the swing is 8.9 m/s

We need to find the height in the air is the child is able to swing. Let the height is h. Using the conservation of energy such that,

mgh=\dfrac{1}{2}mv^2\\\\h=\dfrac{v^2}{2g}

Put all the values,

h=\dfrac{(8.9)^2}{2\times 9.8}\\\\h=4.04\ m

So, the child is able to go at a height of 4.04 m.

7 0
2 years ago
The velocity of a mass moving in a circular path is..
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Constantly changing.
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