a bus decreases its speed form 80 km h-¹ to 60 km h-¹ in 5 s. find the acceleration of the bus.
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v-u=at
60-80=a*1/720
a=-20*720
a=-14400 km/h^-2
60-80=a*1/720
a=-20*720
a=-14400 km/h^-2
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