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andriy [413]
3 years ago
10

Total internal reflection occurs when the angle of incidence

Physics
2 answers:
sladkih [1.3K]3 years ago
7 0

Answer:

Total internal reflection, in physics, occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

Explanation:

Total internal reflection, in physics, occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

laiz [17]3 years ago
6 0
Total internal reflection complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.
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A kickoff sends a football with an initial velocity of 25 m/s at an angle of 50
eduard

Answer:

The x-component of the velocity is 16.07 m/s

The y-component of the velocity is 19.15 m/s

Explanation:

Given;

initial velocity of the football, u = 25 m/s

angle of projection, θ = 50⁰

The x-component of the velocity (horizontal component) is given as;

V_x = Vcos(50^0)\\\\V_x = 25 \ m/s \ \ \times \ \ 0.6428\\\\V_x = 16.07 \ m/s

The y-component of the velocity (vertical component) is given as;

V_y = Vsin(50^0)\\\\V_y = 25 \ m/s \ \ \times \ \ 0.766\\\\V_y = 19.15 \ m/s

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2 years ago
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kolbaska11 [484]

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98,000J

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