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liubo4ka [24]
3 years ago
13

How are rainbows formed? Please explain.

Physics
2 answers:
kari74 [83]3 years ago
8 0

Answer:

this is when rays of light passes through after if finish raining

Flauer [41]3 years ago
4 0

Answer:

when sun shines through rain

Explanation:

Rainbow is an arc of different colours that appears in the sky when sun shines through rain

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Calculate the percentage of an iceberg submerged beneath the surface of the ocean given that the density of ice is 916.3kg/m3 an
pogonyaev

Answer:

The percentage of an iceberg submerged beneath the surface of the ocean = 89.67%

Explanation:

Let V be the total volume of the iceberg

Let x be the volume of iceberg submerged

According to Archimedes principle,

weight of the iceberg = weight of the water displaced (that is, weight of x volume of water)

Weight of the iceberg = mg= ρ(iceberg) × V × g

Weight of water displaced = ρ(fluid) × x × g

We then have

ρ(iceberg) × V × g = ρ(fluid) × x × g

(x/V) = ρ(iceberg) ÷ ρ(fluid) = 916.3 ÷ 1021.9 = 0.8967 = 89.67%

Hope this Helps!!!!

6 0
2 years ago
Based on the most widely accepted scientific explanation, elements began to form shortly after the big bang. Which of the follow
worty [1.4K]
Big Bang is a theory that, as stated above, has grown to become widely acceptable scientific explanation of the origin of things. Research would say that according to this theory, the Earth originated billion years ago through an explosive of a highly energized point.

Through this explosion, the elements were formed. However, only the lightest of the elements including hydrogen and helium, with traces of lithium and beryllium. From the choices, the answer would have to be the second choice, helium.

Answer: B. helium
5 0
3 years ago
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What causes some materials to have a magnetic fields?
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Well it determines on how much  magnetism a material has.
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3 years ago
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Paul [167]
They farmed it and got rid of most of the buffalo. They also caused the locust plague from turning up the eggs in the dirt when it was first plowed.
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A solution that has a high concentration of hydrogen ions has what type of pH?
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I believe it’s c:13 is the answer
7 0
3 years ago
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