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**1. The problem statement, all variables and given/known**

Two objects move with initial velocity -8.00 m/s xfinal velocity 16.0 m/s xand constant accelerations. (a) The first object has displacement 20.0 m. Find its accelera- tion. (b) The second object travels a total distance of 22.0 m. Find its acceleration. x

2. Homework Equations

Vf^2=vi^2 + 2ax

2. Homework Equations

Vf^2=vi^2 + 2ax

## The Attempt at a Solution

(a) (-8)^2 = (16)^2 + 2a(22)

a = 4.36m/s

(b) 0 = (-8)^2+ 2a(11)

a= -2.91m/s2

(16)^2= (0)^2 + 2a(11)

a= 0.73m/s2

a = -2.91 +0.73

a= -2.18m/s2