Question

A shell flying with velocity v =500 m/s burst into three identical fragments

Answer 1

From the conservation of linear momentum of the shell just before and after its fragmentation



where vector vc=vector v =velocity of the C.M . of the fragments the velocity of the shell. Obviously, in the C.M. frame the linear momentum of a system is equal to zero, so



The problem being symmetrical we can look for the maximum of any one. Obviously it will be the same for each.