Physics

Problem

16. The escape speed for a rocket at Earth's surface is

v_{e}

. What would be the rocket's escape speed from the surface of a planet with twice Earth's mass and the same radius as Earth? (A)

2 v_{e}

(B)

\sqrt{2} v_{e}

(C)

v_{e}

(D)

\frac{v_{e}}{\sqrt{2}}

(E)

v_{e} / 2

(A)

2 v_{e}

(B)

\sqrt{2} v_{e}

(C)

v_{e}

(D)

\frac{v_{e}}{\sqrt{2}}

(E)

v_{e} / 2