The brakes on a car permit it to decelerate at the rate of 0.80 m/s2. How much distance is required to stop this car when it is traveling at 60.0 km/hr?

Answer 1

Vo = 60 km/h = 60,000m/3600s. = 16.7 m/s.

V^2 = Vo^2 + 2a*d.
V = 0, Vo = 16.7 m/s, a = -0.80 m/s^2, d = ?.