A machine gun fires $20$ bullets per second into a target. Each bullet weighs $150 $ gms and has a speed of $800 \,m/sec$. Find the force necessary to hold the gun in position ............ $N$
A machine gun fires $20$ bullets per second into a target. Each bullet weighs $150 $ gms and has a speed of $800 \,m/sec$. Find the force necessary to hold the gun in position ............ $N$
$800$
$1000 $
$1200 $
$2400$
A machine gun fires $20$ bullets per second into a target. Each bullet weighs $150 $ gms and has a speed of $800 \,m/sec$. Find the force necessary to hold the gun in position ............ $N$
$F = mnv = 150 \times {10^{ - 3}} \times 20 \times 800 = 2400\;N.$
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