Question

When an object with a momentum of 80 kg ´ m/s collides with an object with a momentum of –100 kg ´ m/s the total momentum after the collision is ______.

Answer 1

a.
20 kg x m/s
c.
20 kg x m/s2
b.
-20 kg x m/s
d.
-20 kg x m/s2

Answer 2

B

Answer 3

Are you certain ive failed this 8times it would be really bad if i fail agian-.-