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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» 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 |
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