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lana66690 [7]
3 years ago
13

How is the total kinetic energy of an object calculated?.

Physics
1 answer:
Allushta [10]3 years ago
7 0

Answer:

ke = 0.5 x m x v^2

Explanation:

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A ray of light traveling in air is incident on the flat surface of a piece of glass at an angle of 65.9° with respect to the nor
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Answer:

n_{glass} = 1.6

Explanation:

\theta _{i} = Angle of incidence = 65.9°

\theta _{r} = Angle of refraction = 34.8°

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n_{glass} = Index of refraction of glass = ?

Using Snell's law

n_{air} Sin\theta _{i} = n_{glass} \theta _{r}

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n_{glass} = 1.6

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