Question

A car, moving along a straight stretch of high-way, begins to accelerate at 0.0449 m/s2. It takes the car 64.6 s to cover 1 km.
How fast was the car going when it first began to accelerate?
Answer in units of m/s.

Answer 1

d = Vo*t + 0.5*a*t^2 = 1,000 m.
64.6Vo + 0.5*0.0449*64.6^2 = 1,000.
Vo =

Answer 2

oh my gosh thank you thank you thank you!!!!! ;(((((

Answer 3

You are welcome!