Find the Orbital Speed of an Ice Cube in the Rings

question 17

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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