Physics, asked by pankajprasad852k, 11 months ago

A machine gun has a mass of 20kg. It fires 30g bullets at the rate of 400 bullets per second with a speed of 400 m/s. What force must be applied to the gun to keep it in position ?

Answers

Answered by Anonymous
6

Answer:

force =rate of change of linear momentum

no of bullets per sec=400bullets/sec

n(mv)=f

f=400×30×400/1000

=4800N

Answered by shrujalsonara1905
6

Answer:

The formula to find the force in this question is :

F = nmv

n = no. of bullets per second

m = mass of bullet

v = velocity of bullet

F = nmv

= 400 × 0.03 × 400

= 4800 N

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