A gun fires A bullet of mass 40 gram with a speed of 12 metre per second. Person holding gun can exert maximum force 144 Newton. What is the number of bullets that can be fired?

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Solution

Mass of each bullet = 40 g = .040 kg

Velocity of each bullet = 12 m/s

Let 'n' be the number of bullets fired per second. Then, change in momentum of the bullets coming out per second is,

= force on the man

=> n (0.040)(12) = 144

=> n = 300

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A gun fires A bullet of mass 40 gram with a speed of 12 metre per second. Person holding gun can exert maximum force 144 Newton. What is the number of bullets that can be fired?

Mass of each bullet = 40 g = .040 kg Velocity of each bullet = 12 m/s Let 'n' be the number of bullets fired per second. Then, change in momentum of the bullets coming out per second is, = force on the man => n (0.040)(12) = 144 => n = 300

Mass of each bullet = 40 g = .040 kg

Velocity of each bullet = 12 m/s

Let 'n' be the number of bullets fired per second. Then, change in momentum of the bullets coming out per second is,

= force on the man

=> n (0.040)(12) = 144

=> n = 300