Question

Can anyone answer my question I want answer for only question 2

Answer 1

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...

hope it helps...!!

Answer 2

Answer:

2.7 m/s^2 or 240 km/hr^2