13.42: An object of mass 12M is
cz+6w zu cahdl-qs8t/f (z7x m+m+ 9-e3mnzfh at rest when it suddenly explodes into 3 pieces with masses 3M, 4M and 5M. The piece of mass 3M moves with speed V in the direction shown in the diagram. What is the speed of the piece with mass 5M knowing that it is moving direct
q 9+msm+3nf eczl/ctwz+z- zmu7ad8(x6 - hhfly to the right?