Question

Machine Gun fire A bullet of mass 40 gram with the speed of 1200 metre per second the person holding the gun can exert a maximum force of 144 Newton of it what is the number of blood that can be fired from a gun per second

Answer 1

*The gun will exert an impulsive force on the man when it will be fired.
* As force will be of impulsive nature I=MV
* 40*10^-3*1200=48 N-s
* the man can hold with a force of 144 N for 1 sec.
* The force must be of impulsive nature.
* no. of bullets=144/48=3.