Answer:
See connections below
Explanation:
1 b
2 a
3 d
4 i
5 g
6 h
7 c
8 e
9 f
D = 4+2+4+2
= 12 metres
..............
According to the saving of the momentum, the total momentum before collision is equal to the total momentum after collision
<em><u>in symbols:</u></em>
<em></em>
thus
then, the initial momentum of the second cart