The escape velocity of a projectile from the earth is approximately .......... $km/sec$
The escape velocity of a projectile from the earth is approximately .......... $km/sec$
$0.112$
$112$
$11.2$
$11200$
The escape velocity of a projectile from the earth is approximately .......... $km/sec$
Escape velocity $=\sqrt{2 g R}$
$\Rightarrow \quad V_{e}=\sqrt{2 \times 10 \times 6400 \times 1000}$
$\Rightarrow \quad V_{e}=11.2 \mathrm{Km} / \mathrm{sec}$
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