A body of mass ‘m’ is taken from the earth’s surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
: Gravitational potential energy at any point at a distance r from the center of
the earth is
where 
and 
be masses of the earth and the body respectively.
At the surface of the earth, 
At a height 
from the surface,
( 
(Given))
Change in potential energy,
( 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are …
If the mass of the Sun were ten times smaller and the universal gravitational constant were ten tim…
The acceleration due to gravity at a height1 km above the earth is the same as at a depth below th…
Two astronauts are floating in gravitational free space after having lost contact with their spaces…
Starting from the centre of the earth having radius , the variation of acceleration due to gravit…
A satellite of mass is orbiting the earth (of radius ) at a height from its surface. The total e…