Find the Orbital Speed of an Ice Cube in the Rings

question 25

Multiple Choice

Find the orbital speed of an ice cube in the rings of Saturn. The mass of Saturn is 5.68 × 1026 kg and the rings have an average radius of 100,000 km. (G = 6.67 × 10^-11 N ∙ m²/kg²)

• A) 19.5 km/s
• B) 27.5 km/s
• C) 13.8 km/s
• D) 1.95 km/s

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