1.

For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of 60° with the vertical, then escape velocity will be [CBSE PMT 1993; RPMT 1997]

A. 11 km/s
B.               \[11\sqrt{3}\] km/s
C.             \[\frac{11}{\sqrt{3}}\] km/s
D.                           33 km/s
Answer» B.               \[11\sqrt{3}\] km/s


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