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A machine gun fires `420` bullets per minute. The velocity of each bullet is `300 ms^(-1)` and the mass of each bullet is `1 gm`. The power of the mac

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A machine gun fires `420` bullets per minute. The velocity of each bullet is `300 ms^(-1)` and the mass of each bullet is `1 gm`. The power of the machine gun is
A. `315 W`
B. `315000 W`
C. `630 W`
D. `3150 W`
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1 Answer

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Correct Answer - A
`P = (W)/(t) = (n((1)/(2)m v^(2)))/(t)`
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