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cestrela7 [59]
3 years ago
9

When you see a straw in a glass of water it looks bent why is this ?

Physics
2 answers:
yuradex [85]3 years ago
6 0
Because light is being refracted 
frozen [14]3 years ago
3 0
Light bend s as it hits a surface. The light bends in the water making the straw look bent in the water
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Imagine you can take all the atoms in a single drop of water and put them on a single line as closely packed as they can be. How
tester [92]

Answer:

option a

Explanation:

Size of an atom (diameter) = 10⁻¹⁰ m

There are approximately 10²² atoms in a single drop of water. If they are put in  a straight line, the length would be

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l = 10²²×  10⁻¹⁰ m = 10¹² m

Distance between the Sun and the Earth is 1.47 × 10¹¹ m. The calculated length is greater than the distance between the Sun and the Earth.

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7 0
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Give an example of a scientific hypothesis. Explain how you would test it, and how it could be falsified (proved untrue).
kaheart [24]

my hypothesis is that If you drop a piece of buttered toast, it will land butter side down.


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8 0
3 years ago
According to Newton's thirdlaw, every action has an equal and opposite reaction. When a comb is charged and held near small piec
NeTakaya

Answer:

Due to the fact that the comb is in terms of mass bigger than pieces of paper

Explanation:

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According to Newton third law action and reaction are equal and opposite

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P=m*v

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V= velocity of the body

Now since the comb has a greater mass it will not move to the paper, else the paper must have to move to it.

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