Two satellites of same mass are launched in the same orbit of radius r around the earth…
Physics · JEE Advanced · NTA Exams — Gravitation
Two satellites of same mass are launched in the same orbit of radius r around the earth so as to rotate opposite to each other. If they collide inelastically and stick together as wreckage, the total energy of the system just after collision is
- \(-\frac{2 G M m}{r}\)
- \(-\frac{\text { GMmn }}{r}\)
- \(\frac{\text { GMm }}{2 r}\)
- zero
Answer
(A) - 2 G M m r
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