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3 years ago

6

Someone help me please

2 answers:

sp2606 [1]3 years ago

8 0

Im not fully sure about this. But i believe its A.

For Example: The constant pull of gravity on the moon is way different then on the earth, same with the acceleration of gravity. This is why objects float more on the moon.

-Seth

Alekssandra [29.7K]3 years ago

8 0

I believe this is A. aswell, i may be incorrect. good luck on your test :)

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State the conservation laws

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4 years ago

Insulators have very high .

Vlad1618 [11]

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Resistance to electrical currents

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3 years ago

What is the speed of light (in m/s) in air? (Enter your answer to at least four significant figures. Assume the speed of light i

jenyasd209 [6]

Answer:

The speed of light in air is 2.996x10⁸ m/s, and polystyrene is 1.873x10⁸ m/s.

Explanation:

To find the speed of light in air and in polystyrene we need to use the following equation:

$c_{m} = \frac{c}{n}$

Where:

$c_{m}$ : is the speed of light in the medium

n: is the refractive index of the medium

In air:

$c_{a} = \frac{c}{n_{a}} = \frac{2.997 \cdot 10^{8} m/s}{1.0003} = 2.996 \cdot 10^{8} m/s$

In polystyrene:

$c_{p} = \frac{c}{n_{p}} = \frac{2.997 \cdot 10^{8} m/s}{1.6} = 1.873 \cdot 10^{8} m/s$

Therefore, the speed of light in air is 2.996x10⁸ m/s, and polystyrene is 1.873x10⁸ m/s.

I hope it helps you!

8 0

3 years ago

If the starting population of 5 rabbits grows at 200% each year, how many will there be 50 years?

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Explanation:

7 0

3 years ago

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