contestada

Starting from rest, a truck travels in a straight line for 8.0 s with a uniform acceleration of +1.6 m/s2. The driver then applies the brakes for 3.0 s, causing a uniform acceleration of −3.0 m/s2 over that time.(a) What is the truck's speed at the end of the braking period?
(b) What is the total distance traveled by the truck (from the point where it started at rest to the end of the braking period)?

Respuesta :

Because it should be the total number

Answer:

Here is my work

Explanation:

I have different numbers so just substitute your numbers into the equations.  Also I got 63.3 as Xf.

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