Question

A bus decreases its speed from 80km/h to 60 km/h in 5s.Find the the acceleration of bus?​

Answer 1

Explanation:

Initial speed u=80 km/h=80×

18

5

=22.22 m/s

Final speed v=60 km/h=60×

18

5

=16.67 m/s

Using v=u+at

Or 16.67=22.22+α×5

⟹ a=−1.1 m/s

2

Answer 2

Sorry i am not getting it really