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Escape Velocity

A body is pro...

Question

A body is projected upwards with a velocity of $4 \times 11.2 k m / s$ from the surface of earth. What will be the velocity of the body when it escapes from the gravitational pull of earth?

A

11.2 k m / s

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B

2 \times 11.2 k m / s

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C

3 \times 11.2 k m / s

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D

\sqrt{15} \times 11.2 k m / s

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Solution

The correct option is D $\sqrt{15} \times 11.2 k m / s$

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