The mass of Pluto is 1.25 × 10²² kg and its radius is 1.14 × 10⁶ m. What is the value of g at the surface of Pluto? G = 6.67 x 10^-11 N·m²/kg². A) 0.642 m/s² B) 9.81 m/s² C) 1.62 m/s² D) 3.72 m/s² E) 1.40 m/s²

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Quizplus · Accepted Answer

The gravitational acceleration g at the surface of a planet is given by the formula g = G * M / R^2. Substituting the given values: g = (6.67 x 10^-11) * (1.25 x 10^22) / (1.14 x 10^6)^2 = 0.642 m/s^2.

The Mass of Pluto Is 1