Question

A bus decrease its speed from 80km/h to60km/h in 5s find the acceleration of the car

Answer 1

Answer:

v =60 km/h

u= 80km/hr

so

v = 60 × 5/18 = 50/3

u= 80× 5/18 = 200/9

v-u/t = a

50/3 - 200/9 /5 = a

450 - 600 / 5 =a

-150 /5 = a = -10m/sec ^2