Ashwin Chellappan

u1 =9m/s,u2 =0 Initial momentum = Final momentum along original line of motion Mx9+mx0=mv1cos30+mv2 cos30 v1 +v2 =6√3m/s Direction perpendicular to the original line 0 = mv1sin30 – mv2sin30 v1 = v2 v1 =v2 =3√3m/s Total K.E before collision = 1⁄2 x mx 92 =...