13.42: An object of mas
a:b7.*ndy r+vbp )o vh twf.(fs 12M is 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 mo
o (*.)frad.7+: vntwhpb yvfbving directly to the right?