JEE Main 2024 Physics question
A satellite of 10³ kg mass is revolving in circular orbit of radius 2R. If J energy is supplied to the satellite, it would revolve in a new circular orbit of radius : (use g = 10 m/s², R = radius of earth)
Answer: (D)
Solution
The total energy in a circular orbit of radius r is −GMm/(2r), with GM = gR². Initially E = −GMm/(4R) = −mgR/4. After supplying 10⁴R/6
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