InterviewSolution
Saved Bookmarks
| 1. |
2. A machine gun has a mass of 20 kg. It fires 35 g bullets at the rate of 4 bullets per second, with aspeedof400ms . What force must be applied to the gun to keep it in position? 6 |
|
Answer» Here,Mass Of Machine Gun(m)= 20kg Mass of each Bullet, (M)=35g=0.035kg Velocity Of Bullet(v)=400m/s No.Of Bullets/sec=4 Force required = rate of change of linear momentum of bullets=n(mv)/t =4×(0.035×400)/1=56N |
|