Question

A subway train starts from rest at a station and accelerates at a rate of 2 m/s2 for 12 s. It runs at a constant speed for 89.5 s and slows down at a rate of 3.7 m/s2 until it stops at the next station.
(a) What is the total distance covered by the train?
m

(b) What is the total time for the trip?
s

Answer 1

Answer:

I cannot understand this question