Question
19 A body of mass (4m) is lying in x-y plane at rest. Itsuddenly explodes into three pieces. Two pieces,each of mass (m) move perpendicular to each otherwith equal speeds (v). The total kinetic energygenerated due to explosion is\lbrack AIPMT-2014\rbrack3(1) mv 2(2)mv 22(3) 2mv2(4) 4mv2n Auniform force of 3tinewton noto