Q.

Velocity of escape is equal to

A. r × √(2g); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
B. g × √(2r); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
C. √(2g) ⁄ r; where r: radius of Earth or any other planet for that matter, g: gravitational field strength
D. √(2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
Answer» D. √(2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
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A Level Physics

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