Question

a bus running at a speed of 18 km per hour is stopped in 2.5 seconds by applying brakes calculate the retardation produced​

Answer 1

Answer:

Explanation:

u = 18km/h = 18*5/18 = 5m/s

v = 0m/s

t = 2.5s

a = v-u/t =0-5/2.5= -2m/s^2

so, retardation is 2m/s^2