Answer:
a) 



b) 
Explanation:
From the exercise we got the ball's equation of position:

a) To find the average velocity at the given time we need to use the following formula:

Being said that, we need to find the ball's position at t=2, t=2.5, t=2.1, t=2.01, t=2.001



--


--


--


b) To find the instantaneous velocity we need to derivate the equation


Plz help me get out of this school im so tired im begging anybody i would do anything
Yes. There is a substantial number of people ... members of Brainly as well as non-members ... students, puzzle solvers, and just average educated thinkers, who would be able to solve it.
Answer:
I hope it's helpful for you ☺️
Answer:
I think that the liquids molecules are slowing down. Hope this helps!
Explanation:
Please vote me Brainliest