Question

A car accelerates from rest at 2.57 m/s2.
What is the velocity at the end of 5.4 s?
Answer in units of m/s

Answer 1

Vo = 0
V = ?
t = 5.4 s.

a = (V-Vo)/t = 2.57 m/s^2
(V-0)/5.4 = 2.57. Solve for V.