Explanation The formula for escape speed is, v e = 2 G M p R p (1) Here, v e is the escape speed of object. M p is the mass of the planet. R p is the radius of the planet. G is the universal gravitational constant. For earth, substitute v e e for v e , M e for M p and R e for R p in the above expression. v e e = 2 G M e R e (2) For distant planet,

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Chapter 12.5, Problem 5EYU

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Whether the escape speed on a distant planet with twice the mass and twice the radius of earth is less than, greater than, or equal to the escape speed on earth.

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Chapter 12.4, Problem 4EYU

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Whether the escape speed on a distant planet with twice the mass and twice the radius of earth is less than, greater than, or equal to the escape speed on earth.

Solution Summary: The author explains that the escape speed on a distant planet is equal to that on earth.

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Whether the escape speed on a distant planet with twice the mass and twice the radius of earth is less than, greater than, or equal to the escape speed on earth.

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Chapter 12 Solutions