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HomePhysicsIf r represents the radius of the orbit of a satellite of mass m moving around a planet of mass M, the velocity of the satellite is given by

If r represents the radius of the orbit of a satellite of mass m moving around a planet of mass M, the velocity of the satellite is given by

(a)   v2 = g(M/r)                                   (b) v2 =GMm/r)

(c)   v =( GM/r )                                      (d) v2 =(GM/r)

Answer: d

(8)

5/5 - (4 votes)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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