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Korvikt [17]
4 years ago
8

A 0.5 kg ball traveling at 1 m/s to the right hits a second ball of equal mass that is initially at rest. After the perfectly el

astic collision, the second ball travels at 0.543 m/s at a 57.2 degree angle upward from the point of contact.
Draw a before and after diagram of this collision

Physics
1 answer:
ruslelena [56]4 years ago
8 0

Comment if u dont understand

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An exoplanet is in an elliptical orbit around a distant star. At its closest approach, the exoplanet is 0.540 AU from the star a
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Answer:

0.71121 km/s

Explanation:

v_1 = Velocity of planet initially = 54 km/s

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As the angular momentum of the system is conserved

mv_1r_1=mv_2r_2\\\Rightarrow v_1r_1=v_2r_2\\\Rightarrow v_2=\frac{v_1r_1}{r_2}\\\Rightarrow v_2=\frac{54\times 0.54}{41}\\\Rightarrow v_2=0.71121\ km/s

When the exoplanet is at its farthest distance from the star the speed is 0.71121 km/s.

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A. Divergent (pretty sure)
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option (a)

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unbalanced is the correct answer.


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