What is the escape velocity for a planet with 6 times the mass and 2 times the radius of Earth?

    <p>8. The escape velocity of a planet having mass 6 times and radius 2 times as that of earth is:</p>

    Question:

    8. The escape velocity of a planet having mass 6 times and radius 2 times as that of earth is:

    • a) √3 Ve
    • b) 3 Ve
    • c) √2 Ve
    • d) 2 Ve

    Answer:

    8. (a) vp / ve = √(Mp / Me × Re / Rp) = √(6 × 1 / 2) = √3 ∴ vp = √3 ve

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