JEE Main 2022 · 27 Jul · Shift 1 · Physics Q36

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PhysicsSingle correct+4 / -1Question 36 of 90

Two satellites A and B, having masses in the ratio 4:3, are revolving in circular orbits of radii 3r and 4r respectively around the earth. The ratio of total mechanical energy of A to B is :

9:16

16:9

1:1

4:3

Answer and worked solution

Official answer: B

$E=-\frac{GMm}{2r}$ : $\frac{E_A}{E_B}=\frac{4/3r}{3/4r}=\frac{16}9$ .

(B)

Topics:Satellites and orbital motion

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JEE Main 2022 · 27 Jul · Shift 1, Physics question 36