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[" A machine gun having a power "27kW" f...

[" A machine gun having a power "27kW" fires 'n' bullets "],[" per second each of mass "10gm" .If the velocity of each "],[" bullet is "300ms^(-1)" ,the value of "n" ' is "],[" O "1)60],[" 0) "120],[" 0) "600],[" (4) "300]

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