1.

An artifical satellite of a planet revolves in a circular orbit whose radius exceeds the radius of the planet 7 times. IN the process of motion, the satellite experiences slight resistance due to cosmic dust. Assuming the resistive force depends on the speed of the satellite as F = kv^(2) (where k is a constant). The time by the satellite will stay in orbit until it falls on to the planet.s surface. is (m)/(ksqrt(gR)) (sqrt(x)-1) (Given m = mass of the satellite, g = accleration due to gravity at the surface of planetand R = radius of the planet ). FInd the value of x

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