1.

The escape velocity of a projectile from the earth is approximately  [DPMT 1982, 84; RPMT 1997; BHU 1998]

A. 11.2 m/sec
B. 112 km/sec
C. \[\frac{{{\mu }_{o}}I\,(x\hat{j}-y\hat{i})}{2\pi ({{x}^{2}}+{{y}^{2}})}\]   
D. 11200 km/sec
Answer» D. 11200 km/sec


Discussion

No Comment Found