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Dennis_Churaev [7]
3 years ago
5

Which term is defined as the ratio of the speed of light in a vacuum to the speed of light in the material it is passing through

?
index of reflection


index of refraction


angle of incidence


angle of reflection
Physics
1 answer:
KATRIN_1 [288]3 years ago
5 0

Answer:

Index of refraction

Explanation:

or refractive index

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A painter stands a horizontal platform which has a mass of 20kg and is 5m long, the platform is suspended by two vertical ropes
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Answer:

R = 715.4 N

L =  166.6 N

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ASSUME the painter is standing right of center

Let L be the left rope tension

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We can verify by summing vertical forces

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If the assumption about which side of center the paint stood is incorrect, the only difference would be the values of L and R would be swapped.

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