posted by Isaac .
A car, moving along a straight stretch of highway, begins to accelerate at 0.0261 m/s2. It takes the car 48.6 s to cover 1 km.
How fast was the car going when it first
began to accelerate?
Answer in units of m/s
Couldn't find a formula for this :(
d=vi*t+1/2 a t^2
solve for vi