a machine gun of mass 12 kg fires bullets of mass 25g at the rate of 4 bullets/sec......with a velocity 500m/s...........what force must be applied to the gun to hold it in position.....??????????????????????PLS EXPLAIN!!!
First of all you should know that all Physics Qs are based on ideal conditions,so the momentum(linear) always remains conserved....
ie m1v1=m2v2
in this case
GUN BULLET
m1=12kg m2=25gm=>0.025kg=>(0.025*4)kg per sec
v1=x(let)m/s v2=500m/s
since momentum is conserved
12*x=0.025*4*500
x=(2.5*4*5)/12
x=4.16667m/s
F=change in momentum,so
12*4.1667-0="GIVES YOU THE CORRECT ANSWER!!"
PLZ APPROVE THE ANSWE
First of all you should know that all Physics Qs are based on ideal conditions,so the momentum(linear) always remains conserved....
ie m1v1=m2v2
in this case
GUN BULLET
m1=12kg m2=25gm=>0.025kg=>(0.025*4)kg per sec
v1=x(let)m/s v2=500m/s
since momentum is conserved
12*x=0.025*4*500
x=(2.5*4*5)/12
x=4.16667m/s
F=change in momentum,so
12*4.1667-0="GIVES YOU THE CORRECT ANSWER!!"
Three identical balls are placed on a frictionless
horizontal surface touching each other. They stick to
each other because of adhesive. Another ball of same
radius and mass m is placed over the void created by
the three balls. Find the forces applied by the balls
kept on the floor to each other if the system remains
in equilibrium.
Last Activity: 9 Months ago
A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.
11
21
31
41
Last Activity: 9 Months ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
