Can you PLEASE help me with these physics problems in desperate need of help?

Can you PLEASE help me with these physics problems in desperate need of help?



1. Start from rest with constant acceleration
of 2.95 m/s^2
for 14.7 s.
2. Constant velocity for the next 3.12 min.
3. Constant negative acceleration?8.56 m/s^2 for 5.51 s.

question 1:What was the total displacement for the
complete trip?
Answer in units of km
2: what was the average speed of the complete trip in meters per second





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