Question: Two 2.0kg bodies, A and B, collide. The velocities before the collision are vA = (15i + 30i) m/s and vA = (-10i + 5.0j)

Two 2.0kg bodies, A and B, collide. The velocities before the collision are vA = (15i + 30i) m/s and vA = (-10i + 5.0j) m/s. After the collision, vA = (-5.0i + 20j)m/s what are?

(a) The final velocity of B and

(b) The change in the total kinetic energy (including sign)?

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