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:
I think it is when they see somthing happening they don't like or in times when they are scared
Explanation:
Answer:
A) About
Explanation:
Synonyms are words that mean or almost mea the same as another word. Approximately means close to the exact amount, so does about, if you look up the deifintion for about in mathmatical terms, it means approximately. I Hope This Helps :)
Prefects
Observe the school rules at all times.
Be dressed appropriately at all times.
Maintain an excellent attendance record.
Be punctual for your duties.
Maintain a perfect behavioural record.
Be positive and enthusiastic.
Be able to encourage and motivate fellow students.
Answer:
trying to remember the most important parts of the passage and just making it a smaller answer