Question

A bus is moving at 30 m/s when the driver steps on the brakes and brings the bus to a stop in 2.6 s.
What is the average acceleration of the bus while braking?

Answer 1

a = (V-Vo)/t = (0-30)/2.6 = 11.54 m/s^2.

Answer 2

Correction: a = -11.54 m/s^2.