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Tems11 [23]
3 years ago
9

Can you correctly identify facts about these two historical models of the solar system?

Physics
1 answer:
jeka57 [31]3 years ago
8 0

Answer:

yes

Explanation:

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If the range of a projectile's trajectory is six times larger than the height of the trajectory, then what was the angle of laun
zvonat [6]

Answer:

H = 1/2 g t^2    where t is time to fall a height H

H = 1/8 g T^2   where T is total time in air  (2 t  = T)

R = V T cos θ       horizontal range

3/4 g T^2 = V T cos θ       6 H = R    given in problem

cos θ = 3 g T / (4 V)           (I)

Now t = V sin θ / g     time for projectile to fall from max height

T = 2 V sin θ / g

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cos θ = 3 g / 4 (T / V)     from (I)

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As a check- let V = 100 m/s

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