A block moving in air breaks in two parts and the parts separate

A block moving in air breaks into two parts and the parts separate ? .

We break 112 in two parts like that 1/12

A body is moving with a velocity v , breaks up into two equal parts. One of the part retraces back with velocity v . Then the velocity of the other part is

When an organism breaks into a number of parts and each part develop into an individual, it is called :

A canon shell fired breaks into two equal parts at its highest point. If one part reatraces the path to the canon with kinetic energy E_1 and kinetic energy of the second part is E_2 , then

A body of mass 300g kept at rest breaks into two parts due to internal forces. One part of mass 200g is found to move at a speed of 12 ms^-1 towards the east. What will be the velocity of the other part?