A Satellite Circles Planet Roton Every 2

question 19

Multiple Choice

A satellite circles planet Roton every 2.8 h in an orbit having a radius of 1.2 × 10⁷ m. If the radius of Roton is 5.0 × 10⁶ m, what is the magnitude of the free-fall acceleration on the surface of Roton?

• A) 31 m/s²
• B) 27 m/s²
• C) 34 m/s²
• D) 40 m/s²
• E) 19 m/s²

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