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9966 [12]
4 years ago
12

Which best describes what happens when light traveling through air enters water at an angle?

Physics
2 answers:
vovangra [49]4 years ago
3 0
I think it is "A'' 'It moves along straight lines in air and changes direction when it enters water.
galben [10]4 years ago
3 0

The correct choice is

A. It moves along straight lines in air and changes direction when it enters water.

This is because of phenomenon of refraction which  a ray of light experience when it moves from one medium to another medium. The light ray bends away  from the normal to the surface if it travels from denser to rarer medium. The light ray bends towards from the normal to the surface if it travels from rarer to denser medium.

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Sail's size and material can make a difference in the effectiveness of how it works because?
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7 0
3 years ago
__________ is when a person becomes less sensitive to a drug. A. Tolerance B. Craving C. Addiction D. Dependence
Luden [163]
A) Tolerance

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Sauron [17]

Answer:

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Explanation:

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6 0
3 years ago
Give three examples that show the importance of gravity to humans
kow [346]
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3 0
3 years ago
A 2.35-kg rock is released from rest at a height of 21.4 m. Ignore air resistance and determine (a) the kinetic energy at 21.4 m
kvasek [131]

Explanation:

Given that,

The mass of rock, m = 2.35-kg

It was released from rest at a height of 21.4 m.

(a) The kinetic energy is given by : E_k=\dfrac{1}{2}mv^2

As the rock was at rest initially, it means, its kinetic energy is equal to 0.

(b) The gravitational potential energy is given by : E_p=mgh

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M = 492.84 J

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6 0
4 years ago
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