Acceleration Practice Problems: Solving for Distance and Magnitude

[member 446420]

I have no clue where to begin with these assignments, can anyone walk through the steps to these?

1. An automobile accelerates from rest at
1.7 m/s2 for 22 s. The speed is then held
constant for 29 s, after which there is an ac-
celeration of −5.8 m/s2 until the automobile
stops.
What total distance was traveled?
Answer in units of km

2. A speedboat increases in speed from 19.3 m/s
to 34.2 m/s in a distance 202 m.
Find the magnitude of its acceleration.
Answer in units of m/

 

[Integral]

We need to see some effort on your part.

What equations do you have to work with?

 

[member 446420]

This is all I was given

 

[member 446420]

Can anyone help?

 

[jamesnb]

At least give us the variables in symbol form. You've got to show some effort.