Answer:
a)
b) 
Explanation:
a) The displacement of the first object is 22.5 m, so we can use the next equation:



positive acceleration.
b) Using the same equation we can find the second value of the acceleration:


positive acceleration.
I hope it helps you!
Answer:
i dont know
Explanation:im sorry to do this to you but you dont have to watch ads if you answer questions
The sea level would rise because the snow and glaciers are water