A stationary body explodes in to four identical fragments such that three of them fly mutually perpendicular to each other, each with same `KE(E_(0))`. The energy of explosion will be

A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same K.E. E_(0) . The energy released in the explosion in the form of kinetic energy is NE_(0) . Find N

A body kept at rest explodes in four identical fragments and it is found that three of them move along mutually perpendicular directions with same kinetic energy K . Total energy released in the explosion is

1 kg body explodes into three fragements. The ratio of their masses is 1 : 1: 3 . The fragments of same mass move perpendicular to each other with speed 30 m/s. The speed of heavier part is