Answer:
oooh thats hard
Explanation:
well i would probaly search the page number or anthing on the page that should help
Answer:
A) - 1.8 m/s
Explanation:
As we know that whole system is initially at rest and there is no external force on this system
So total momentum of the system must be conserved
so we will have

now plug in all data into above equation



so correct answer is
A) - 1.8 m/s
Answer:
I think its (A)The specific heat of an object explains how easily it changes temperatures.
Explanation: