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HomePhysicsThe escape velocity of an object on a planet whose g value is 9 times on earth and whose radius is 4 times that of earth in km/s is

The escape velocity of an object on a planet whose g value is 9 times on earth and whose radius is 4 times that of earth in km/s is

(a)      67.2                                         (b)   33.6

(c)   16.8                                               (d)  25.2

Answer: a

(8)

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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