AIIMS2012Physics-Gravitation

AIIMS 2012 Physics Escape Velocity MCQ Question

Type: MCQ-numerical-Hard-Class 11

A particle is thrown vertically upwards with velocity 11.2 km s⁻¹ from the surface of earth. Calculate its velocity at height 3 R. Where R is the radius of earth.

A

9.25 km s⁻¹

B

5.6 km s⁻¹

C

11.2 km s⁻¹

D

4.3 km s⁻¹

Correct Answer

Option B

Detailed Explanation

Let a particle of mass m is thrown vertically upwards with velocity v.

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