Answer: 
= 5 m/s
Explanation: For collisions, use linear momentum, whose formula is: P = m.v and knowing the law of conservation states that momentum of a closed system is constant in time, i.e. initial momentum equals final momentum:
Suppose the referential for velocity is positive to the right:
The negative sign, in this case, indicates cart A is going to the left.
The magnitude of velocity of cart A is 5 m/s
Answer:
This question is subject to opinion. In my opinion, being ignorant is more costly due to the fact that you may make misinformed decisions which could end up costing you in the long run.
Answer:
Chapter 26 - Atticus is reelected to the state legislature that year
Chapter 26 - Atticus helps Scout try to figure out why Jem is acting out badly, and says it's because Jem is holding anger in and he will let it out eventually.
Explanation:
