A) \[\frac{1}{2}mgR\]
B) \[\frac{3}{2}mgR\]
C) \[mgR\]
D) \[2mgR\]
Correct Answer: A
Solution :
\[\Delta PE=\frac{GMm}{{{r}_{1}}}-\frac{GMm}{{{r}_{2}}}\] \[\frac{GMm}{R}-\frac{GMm}{2R}\] \[\frac{GMm}{2R}-\frac{mgR}{2}\]You need to login to perform this action.
You will be redirected in
3 sec