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Physics · 2013
JEE Main 2013 · 2013-04-07 Offline · Q54
What is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an…
What is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an altitude of 2R ?
Official answer
(2)
$\displaystyle \frac{5 \mathrm{GmM}}{6 \mathrm{R}}$
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