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butalik [34]
3 years ago
12

How do mass and speed affect kinetic energy?

Physics
1 answer:
olga nikolaevna [1]3 years ago
7 0
The mass affects the kinetic energy because the more the mass the more energy is given to the object and the speed <span>affects it by making it go faster and longer, so whenever speed goes up so does energy.</span>
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A red laser beam goes from crown glass with refraction index n=1.3 to air (n=1) with an incident angle of 0.23 radians. What is
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Answer:

   θ = 10.28º

Explanation:

To find the angle of refraction use the equation of refraction

        n₁ sin θ₁ = n₂ sin θ₂

where index 1 is for incident light and index 2 is for refracted light.

         sin θ₂ = n₁ / n₂ sin θ

let's calculate

         sin = 1 / 1.3 sin 0.23

         sin = 0.175

        θ= 0.17528 rad

let's reduce to degrees

       θ = 0.17528 rad (180ª / pi rad)

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