Question

4. A bus decreases its speed from 80 km/h to 60 km/h in 5 s. Find the deceleration produced .

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Answer 1

Explanation:

u=80×5/18

u=200/9

v=60×5/18

=50/3

deceleration=(200/9-50/3)/5

=50/9×5

10/9

1.09m/s²