Question

A bus was moving at a speed of 54 km/h. On applying brakes it stopped in 8 seconds. Calculate the accelaration

Answer 1

u=54kmph= 54×1000/60×60=15m/s

v=0m/s

t=8s

a =v-u/t=0-15/8=-15/8=1.875m/s^2

There is a retardation of 1.875m/s^2.