Gravitation Question 137
Question: A particle falls towards earth from infinity. It’s velocity on reaching the earth would be [Orissa JEE 2003]
Options:
A) Infinity
B) $ [\sqrt{2gR}] $
C) $ [2\sqrt{gR}] $
D) Zero
Show Answer
Answer:
Correct Answer: B
Solution:
This should be equal to escape velocity i.e.$ [\sqrt{2gR}] $
