Question

A bus decrease it's speed from 90km /hr to 50/hr in 6 second . find the acceleration of the bus


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Answer 1

Answer:

acceleration = change in velocity /time

=40/6=20/3

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Answer 2

Answer:

Answer

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

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