A body initially at rest, breaks up into two pieces of masses 2M and 3M respectively, together having a total kinetic energy E. The piece of mass 2M, after breaking up, has a kinetic energy

A body at rest breaks into two pieces of equal masses. The parts will move

A body at rest breaks into two pieces of equal masses. The parts will move

A body at rest breaks into two pieces of equal masses. The parts will move

A body at rest breaks into two pieces of equal masses. The parts will move

In an explosion a body breaks up into two pieces of unequal masses. In this

An object of mass 3m, initially at rest, explodes breaking into two fragments of mass m and 2m, respectively. Which one of the following statements concerning the fragments after the explosion is true?