• # question_answer A body is projected with escape velocity $11.2\text{ }km/s$ from earth's surface. If the body is projected in a direction $30{}^\circ$ angle to the vertical, its escape velocity in the casse will be: A)  $11.2km/s$               B)  $11.2\times \frac{1}{2}km/s$C)  $11.2\times \left( \frac{\sqrt{3}}{2} \right)km/s$D)  None of these

Correct Answer: A

Solution :

Escape velocity does not depend on the angle of projection.

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