Physics · 2019
JEE Main · 10 January 2019, Shift 1 · Q8
A satellite is moving with a constant speed v in circular orbit around the earth. An object of mass 'm' is ejected from the satellite such that it…
A satellite is moving with a constant speed $\displaystyle v$ in circular orbit around the earth. An object of mass 'm' is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of ejection, the kinetic energy of the object is :
Official answer
(2)
$\displaystyle \mathrm{m} v^2$
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.