An airplane wing is designed to make the air move

1 answer:

amm18122 years ago

7 0

An airplane wing is designed to make the air move faster over the top than under the bottom. (c) They do this by making the top of the wing curved and the bottom flat, so the air that flows over the top has farther to go.

It turns out, according to a scientist named Bernoulli, that air exerts lower pressure when it moves faster. So if it moves faster over the top of the wing, then there's less pressure on the top of the wing and more on the bottom, and the wing thinks there's a force that's LIFTING it . . . very convenient and useful if the wing is part of an airplane !

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Answer:

a) V = 252 cm³

b) Vs = 72 cm³

Explanation:

The volume of the water can be given by the following formula:

$Volume\ of\ Water = V = (Base\ Area)(Height)\\V = (Length)^2(Height)\\V = (6\ cm)^2(7\ cm)\\$

V = 252 cm³

The volume of stone can be given by the change in volume of the water when the stone is dipped into it.

$Volume\ of\ Stone = Vs = (Length)^2(Change\ in\ Height\ of\ Water)\\Vs = (6\ cm)^2(9\ cm - 7\ cm)\\$

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A sample of gas has an initial volume of 4.5 L at a pressure of 754 mmHg . Part A If the volume of the gas is increased to 8.5 L

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Answer:

The pressure will be of 399.17 mmHg.

Explanation:

p1= 754 mmHg

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p2= ?

V2= 8.5 L

p1*V1 = p2*V2

p2= (p1*V1)/V2

p2= 399.17 mmHg

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3 years ago

If you throw a baseball straight up,What is its velocity at the highest point?

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Answer: 52.

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I may or may not be a nerd lol.

Hope This Helps!!! : )

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Answer: $\theta =9.96^{\circ}$ North of west