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MCQAdvancedOrbital Mechanics & Gravitation
USAAAO — 2022 First Round
Question 2
A comet’s orbit has the following characteristics: eccentricity e = 0.995; aphelion distance r_a = 5 × 10^4 AU. Assume we know the mass of the Sun M☉ = 1.98 × 10^30 kg, and gravitational constant G = 6.67 × 10^-11 N m²/kg². Determine the velocity of the comet at its aphelion.
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Source
USAAAO 2022 First Round. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.