Devon with a mass of 230kgruns qm/s into Sebatian.
(70kg) channels his "true form" and runs 80mis into Devon. When the two collide, Devon is knocked backwards at a speed of 12m/s.

a) what is the impulse dean experience.

b) how much force does sebastian deliver to devon if their contact lasted 4 seconds.

c) what was sebastian speed after the collision.