Question

A bus decreases its speed from 80km/h to 60km/h . In 5 second . find the acceleration of bus .

Answer 1

converting given speeds to m/s:-
80 km/hr= 22.22 m/s & 60 km/hr=16.67 m/s
Using Formula--------- v-u=at, we get,
16.67-22.22=a*5
-5.55=5a
a=-1.11 m/s^2

hope this helps!