A glider is launched from a $500 \mathrm{~m}$ high hilltop. Following data is available for the glider: Zero lift drag coefficient $C_{D 0}=0.02,$ aspect ratio $A R=10$ and Oswald efficiency factor $e=0.95 .$ The maximum range of the glider in $\mathrm{km}$ is______________

A glider is launched from a $500 \mathrm{~m}$ high hilltop. Following data is available for the glider: Zero lift drag coefficient $C_{D 0}=0.02,$ aspect ratio $A R=10$ and Oswald efficiency factor $e=0.95 .$ The maximum range of the glider in $\mathrm{km}$ is______________

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