The escape velocity of a projectile from the earth is approximately (a) \( 7 \mathrm{~km} / \mat...

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The escape velocity of a projectile from the earth is approximately
(a) \( 7 \mathrm{~km} / \mathrm{sec} \)
(b) \( 112 \mathrm{~km} / \mathrm{sec} \)
(c) \( 11.2 \mathrm{~km} / \mathrm{sec} \)
(d) \( 1.1 \mathrm{~km} / \mathrm{sec} \)
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