A bus decreases its speed from 80 km h-1 to 60 km h-1 in 5 s. Find the acceleration of the bus.

Q.:- A bus decreases its speed from 80 km h-1  to 60 km h-1 in 5 s. Find the acceleration of the bus.

 

Answer:-

Initial velocity u = 80 km h-1

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Final velocity u = 60kmph

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Time  t= 5s   ,      a =?

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The acceleration of bus is -1.11 m s-2