Verified Solution • 2025–26 Session moderate

QNEET-2023-Ph-359: NEET 2023 Physics - Class 11 NEET-2023-Ph-359 Solution: The escape velocity of a body on the earth surface is 11.2…

The escape velocity of a body on the earth surface is 11.2 km/s. If the same body is projected upward with velocity 22.4 km/s the velocity of this body at infinite distance from the centre of the earth will be:

11.2\sqrt{2}\ \text{km/s}

Zero 11.2 km/s

11.2\sqrt{3}\ \text{km/s}

Multiple Choice Options

A $11.2 \sqrt{2} \mathrm{~km} / \mathrm{s}$ 11.2 2 _ km / s
B Zero
C $11.2 \mathrm{~km} / \mathrm{s}$ 11.2 km / s
D $11.2 \sqrt{3} \mathrm{~km} / \mathrm{s}$ 11.2 3 _ km / s

Step-by-Step Verified Solution

V � = V 2 _ V e 2 Given than V = 2 V e So, V � = ( 2 V e ) 2 _ V e 2 V � = 3 V e = 11.2 3 km / s

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