3. 6. A 25 kg object moving with a velocity of 3 m/s to the right collides with a 15 kg object moving to the left at 6 m/s. Find the velocity of the 25 kg object after the collision, if the 15

kg object

(a) continues to move to the left but at only 0.30 m/s

(b) rebounds to the right at 0.45 m/s

(C) sticks together with the 25 kg object