Question
Question: The earth's radius is R and acceleration due to gravity at its surface is g. If a body of mass m is ...
The earth's radius is R and acceleration due to gravity at its surface is g. If a body of mass m is sent to a height of R/4 from the earth's surface, the potential energy increased by :
A
mg
B
mg
C
mg
D
3mg
Answer
mg
Explanation
Solution
DU = 
= 
= 
= 