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zvonat [6]
3 years ago
8

A light wave travels from one medium into a second medium with a greater absolute index of refraction. Which characteristic of t

he wave can
Physics
1 answer:
Brrunno [24]3 years ago
7 0

Explanation:

With the change in medium the speed of light wave travel changes. Therefore, the absolute refractive index changes. The speed of light is maximum is vacuum and changes with the change in medium. This is the refractive indices of different medium are different.

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The diagram shows the apparent motion of the sun across the sky?
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The answer is “B” hope I helped
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If you want to calculate the acceleration of a car, you should _____ the change in velocity of the car by the time interval.
Neporo4naja [7]

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Your awnser is B. Increase

Explanation:

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Name and explain 4 protein functions
Musya8 [376]

Answer:

Actin.

Arp2/3.

Collagen.

Coronin.

Dystrphin.

Elastin.

F-spondin.

Fibronectin.

Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.

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5 0
3 years ago
(NEED HELP BADLY)
spin [16.1K]

Answer:

The answer to your question is below

Explanation:

Data 1

mass 1 = 250

mass 2 = 250 kg

gravity constant = 6.67 x 10⁻¹¹ Nm²/kg²

distance = 8 m

Formula

F = G\frac{m1m2}{r^{2} }

Substitution

F = 6.67 x 10^{-11} \frac{250 x 250}{8^{2} }

Result

F = 0.000000065 N

Data 2

mass 1 = 1000 kg

mass 2 = 1000 kg

distance = 5 m

Substitution

F = 6.67 x 10^{-11} \frac{1000 x 1000 }{5^{2} }

Result

F = 0.000002667 N      

8 0
4 years ago
When you place an egg in water, it sinks. If you add salt to the water, after some time the egg floats. Choose the correct expla
lora16 [44]

Answer:

B

Explanation:

This happens because adding salt to the water decreases Its density. When the density of the water matches that of the egg, the egg becomes neutrally buoyant and floats.

The weight of the egg becomes equal to the upward buoyant force by the water on to the egg and hence, the egg floats.

5 0
4 years ago
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