Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
The escape speed for a rocket at Earth's surface is
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
16. The escape speed for a rocket at Earth's surface is
v
e
v_{e}
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
2 v_{e}
2
v
e
(B)
2
v
e
\sqrt{2} v_{e}
2
v
e
(C)
v
e
v_{e}
v
e
(D)
v
e
2
\frac{v_{e}}{\sqrt{2}}
2
v
e
(E)
v
e
/
2
v_{e} / 2
v
e
/2
Related theory
Escape Velocity
Gravitation
Gravitational potential and energy
Escape speed
Browse the problem library