Question

A bus was moving with a speed of 54km/h. On applying breakes it stopped in 8 seconds. Calculate the acceleration.

Answer 1

u = 54km/h = 54 *5/18 = 15 m/s
v = 0, as bus came at rest after the application of brakes
t = 0

a = v- u/t
a= 0-15/8
a= - 15/8
a= - 1.875