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AVprozaik [17]
2 years ago
9

An arrow is launched from a bow with an initial horizontal velocity of 40

Physics
1 answer:
Ivan2 years ago
4 0

Answer:

V = (Vx^2 + Vy^2)^1/2 = (40^2 + 62^2)^1/2

V = 73.8 m/s

tan theta = Vy / Vx = 62/40 = 1.55

theta = 57.2 deg

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<h2>Answer:</h2>

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The speed of light in a transparent medium is 0.6 times that of its speed in vacuum .

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So

RI = 1/0.6 = 5/3 or 1.66

3 0
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