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A machine gun fires 25 bullets of mass 0...

A machine gun fires 25 bullets of mass 0.1 kg each, per minute. If the speed of the bullet is `200 ms^(-1)`, then calculate the power developed by the gun.

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`m=25xx0.1=2.5kg,t=1min=60s`
Power `=(KE)/(t)=((1)/(2)mv^(2))/(t)=(2.5xx200xx200)/(2xx60)`
`P=833.3W`
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