Q19 of 119 Page 157

In an inelastic collision

suppose a spring connects two masses which collides, if after collision a deformation is achieved and two bodies move together that is inelastic collision. So, here a part of kinetic energy must be lost.

More from this chapter

All 119 →
17

A shell is fired from a cannon with a velocity V at an angle θ with the horizontal direction. At the highest point in its path, it explodes into two pieces of equal masses. One of the pieces retraces its path to the cannon. The speed of the other piece immediately after the explosion is

 18

In an elastic collision

 1

The centre of mass of a system of particles is at the origin. It follows that

 2

A body has its centre of mass at the origin. The x-coordinates of the particles