Previous Year NEET Question- Gravitation L-1

Question: The escape velocity of a body on the earth surface is $11.2 \mathrm{~km} / \mathrm{s}$. If the same body is projected upward with velocity $22.4 \mathrm{~km} / \mathrm{s}$, the velocity of this body at infinite distance from the centre of the earth will be:#

A) $11.2 \sqrt{2} \mathrm{~km} / \mathrm{s}$

B) Zero

C) $11.2 \mathrm{~km} / \mathrm{s}$

D) $11.2 \sqrt{3} \mathrm{~km} / \mathrm{s}$

Answer: $11.2 \sqrt{3} \mathrm{~km} / \mathrm{s}$#