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HomePhysicsFor the moon to cease to remain the earth’s satellite, its orbital velocity has to increase by a factor of

For the moon to cease to remain the earth’s satellite, its orbital velocity has to increase by a factor of

(a)      2               (b)     √ 2

(c)    1/√2         (d)  √3

Answer:  b

(9)

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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