Essay
Neptune was discovered due to irregularities in Uranus' orbit.At closest approach,these two planets are about 10 AU apart.
a)What is the force of gravity between these two objects?
b)How does that compare to the force of gravity between the Sun and Uranus (approximately 20 AU from the Sun)?
Correct Answer:
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a)F = G M m / d² = 6.7 × 10⁻¹¹ m³ kg⁻¹ s...View Answer
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