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2 years ago

How can you create enough thrust to exceed the weight of the rocket?

Chemistry

1 answer:

Mrac [35]2 years ago

3 0

Answer:

Re-action of the working fluid may exceed the thrust force of the rocket.

Explanation:

A force that moves the rocket through the air present and then through space is known as thrust. This being generated by the 'propulsion system' of the rocket with newton’s third law of motion.

In the propulsion system, the engine works on the gas or liquid and that is further accelerated for working of the engine. This working fluid expelled in one direction whereas, the thrust force is applied in another direction may help in exceeding the weight of the rocket.

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At sea level water usually boils at 100. °C and 760. mmHg pressure. On Mt Whitney, the pressure is about 560. mmHg. At what temp

WITCHER [35]

Answer:

91.7°C

Explanation:

We suppose you have a formula to work from. However, that is not supplied with this problem statement, so we looked one up.

The formula in the attachment is supposed to have good accuracy in the temperature range of interest. It gives vapor pressure of water in kPa, not mmHg, so we needed the conversion for that, too.

560 mmHg corresponds to about 74.66 kPa. The attached "Buck equation" formula is used to find the corresponding temperature. The exponential equation could be solved algebraically using logarithms and the quadratic formula, but we choose to find the solution graphically.

Water boils at about 91.7 °C on Mt. Whitney.

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2 years ago

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Answer:

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Explanation:

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3 years ago

Which of these reactions can be classified as double replacement reactions?

Kryger [21]

1) Zn + 2 HCl = ZnCl2 + H2 ( single replacement )

2) 2 NaCl + F2 = 2 NaF + Cl2 ( single replacement )

3) 2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3 ( double replacement )

4) 2 K + MgBr2 = 2 KBr + Mg ( single replacement )

Answer 3

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2 years ago

What elements makeup Mars' atmosphere?

Genrish500 [490]

Answer:

Carbon dioxide or co^2

Explanation:

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2 years ago

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weqwewe [10]

Answer:

D) food that a chef seal in a plastic bag and cook under a controlled temperature condition.

Explanation:

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