Question

Bullets of mass 40 g each are fired from a machine

gun with a velocity of 1000 m/s. If the person firing

the bullets experience an average force of 200N,

then the number of bullets fired per minute will be

Answer 1

Answer:

HEY MATE HERE IS YOUR ANSWER

Mass of each bullet= 40g = 0.04kg

Velocity of the machine gun = 1000m/s

Average force of bullets = 200N

RATE OF CHANGE OF MOMENTUM

nmv = average force

n = 0.04×1000 = 200

n = 40 = 200

n = 200/40

n = 5

Gun fires 5 bullets per second

To find per minute

60 × 5 = 300

Gum fires 300 bullets per minute.

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