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HomePhysicsIf the height of a satellite from the earth is negligible in comparison to the radius of the earth R, the orbital velocity of the satellite is

If the height of a satellite from the earth is negligible in comparison to the radius of the earth R, the orbital velocity of the satellite is

(a)      gR                 (b)    gR/2

(c) √g/R                  (d) √gR

Answer: d

(6)

5/5 - (1 vote)

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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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