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  4. A satellite is in a circular equatorial orbit of radius 7000km around the Earth. If it is transferred to a circular orbit of double the radius then its angular momentum will be :- <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-qskhqhehnsbk4qwm.jpg />

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Q. A satellite is in a circular equatorial orbit of radius $7000km$ around the Earth. If it is transferred to a circular orbit of double the radius then its angular momentum will be :-
Question

NTA AbhyasNTA Abhyas 2020

Solution:

$L'=mv'r'=m\left(\sqrt{\frac{G M}{2 r}}\right)\left(\right.2r\left.\right)$
Solution
$=\sqrt{2}mvr=\sqrt{2}L$