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Q. For a satellite escape velocity is $11 \,km / s$. If the satellite is launched at an angle of $60^{\circ}$ with the vertical, then escape velocity will be

AIPMTAIPMT 1989Gravitation

Solution:

Since escape velocity $\left(v_{e}=\sqrt{2 g R_{e}}\right)$ is independent of angle of projection, so it will not cange.