A0.5 kg billiard ball is initially moving with 20 mls to the right side of the billard table, after being hit with another brilliard ball, the ball rebounds and begins to move to the left at 25 mil the two balls are in contact for 0.002 seconds. Find the following:

14. Changes in momentum

A 22.5 kg mis
B. 25 kg m/s
C. 2.2 kg m/s
D. 0.22 kg.mis

16. Average force exert by the another ball to the billiard ball?
A-11,250 N
B 11.250 N
C. 11.250 N
D.-11.250 N​