Question

A car accelerates uniformly in a straight line from rest at the rate of 3.9 m/s2 . What is the speed of the car after it has traveled 65 m? Answer in units of m/s.

Answer 1

22.5 m/s

Step-by-step explanation:

Given:

s = 65 m

u = 0 m/s

a = 3.9 m/s²

Find: v

v² = u² + 2as

v² = (0)² + 2(3.9)(65)

v = 22.5 m/s