JEE Main 2024 Physics question

PhysicsGravitationJEE Main 2024

Two satellite A and B go round a planet in circular orbits having radii 4R and R respectively. If the speed of A is 3v, the speed of B will be:

Answer: (C)

Solution

v ∝ 1/√r, so / = √(4R/R) = 2 and = 6v.

Question ID VK-012396