3 years ago

Which part of the sun lies directy above the visible surface of the sun

Physics

1 answer:

SVEN [57.7K]3 years ago

6 0

I BELIEVE its the chromosphere

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Why do we use atomic models?

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Models help us to understand systems and their properties

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1 year ago

The answer and how to do it

Arturiano [62]

Current = charge per second
2 Coulombs per second = 2 Amperes

Potential difference = (current)x(resistance) in volts.

That's (2 Amperes) x (2 ohms).

That's how to do it.
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3 years ago

Vector A has a magnitude of 30 units. Vector B is perpendicular to vector Aand has a magnitude of 40 units. What would the magni

Fudgin [204]

Answer:

$|\vec A + \vec B| = 50 units$

Explanation:

As we know that magnitude of two vectors is given as

$|\vec A + \vec B| = \sqrt{A^2 + B^2 + 2AB cos\theta}$

here we know that

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B = magnitude of vector B

$\theta$ = angle between two vectors

so here we know that

A = 30 units

B = 40 units

angle = 90 degree

so we have

$|\vec A + \vec B| = \sqrt{30^2 + 40^2 + 2(30)(40)cos90}$

$|\vec A + \vec B| = \sqrt{30^2 + 40^2}$

$|\vec A + \vec B| = 50 units$

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2 years ago

Which action would be most likely to reduce the noise level of people talking in a restaurant?

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B.adding carpet and fabric wall covering to absorb sound

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An automobile traveling on a straight, level road has an initial speed v when the brakes are applied. In coming to rest with a c

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Answer:

Explanation:

Use $v^{2} = u^{2} +2as$ to do the question.

For first instance,

$0 = v^{2} +2ax$ -------------------( 1 )

for second instance,

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3 years ago