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
Just because references are an option im gonna say those,
It's b. A bus that operates inside one city
Answer:
Odysseus is trying to avoid being drowned by Charybdis.:
Answer:
Avicenna was born near Bukhara, which at the time was ruled by Samanid dynasty. His father was a government official and his home served as a meeting place for men of learning. Avicenna had educated teachers while growing up.