A gun of mass fires a shell of mass horizontally and the energy of explosion is such as would be sufficient to project the shell vertically to a height The recoil velocity of the gun is |
|||||||
a) |
b) |
c) |
d) |
A gun of mass fires a shell of mass horizontally and the energy of explosion is such as would be sufficient to project the shell vertically to a height The recoil velocity of the gun is |
|||||||
a) |
b) |
c) |
d) |
(a)
L is the energy of explosion, then since it is just sufficient to carry the bullet to a height so
We have Now, if and are the respective velocities of the bullet and the gun, respectively, then, from the law of conservation of linear momentum,
( i )
Also,
[from Eq. (i)]