Homework Statement
A car is rounding a curve on the interstate, slowing from 30 m/s to 22 m/s in 7.0 seconds. The radius of the curve is 30 meters. What is the acceleration of the car?
vi=30 m/s
vf=22 m/s
t=7 s
r=30 meters.
Homework Equations
change in velocity/change in time=...