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MHT CET Physics question

PhysicsGravitationMHT CET

A satellite circles a planet of unknown mass in circular orbit of radius m. the magnitude of the gravitational force exerted on the satellite by the planet is 80N. the kinetic energy of satellite in this orbit in joule is:

Answer: (B)

Solution

, so \tfrac$=Missing argument for \tfrac\tfrac12Fr=Missing argument for \tfrac\tfrac12×80×2×=8×

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Question ID VK-059844