Two balls are in an off$-$axis collision. The plane of contact makes a $45$ angle with the horizontal. Ball A has a mass of $20$ kg and a velocity of $-2j\frac{m}{s}.$ Ball B is moving at a velocity of $5j\frac{m}{s}$ and has a mass of $(0kg).1$ d the final velocities of the coefficient of restitution is $0\mathrm{.}8$ express thave peities with $i.j$ unit vector.

$(25$pt$)$Two balls are in an off$-$axis collision. The plane of contact makes a $45$ angle with the horizontal. Ball A has a mass of $20$ kg and a velocity of $-2j\frac{m}{s}.$ Ball B is moving at a velocity of $5j\frac{m}{s}$ and has a mass of $(0kg).1$ d the final velocities of the coefficient of restitution is $0\mathrm{.}8$ express thave peities with $i.j$ unit vector.

$(25$pt$)$