Question

A bus decreases its speed forom 8okmlh
to 60kmlh in 5s. Find the acceleration of the bus
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Answer 1

solution

final velocity =60 km/h (convert it in m/s

by multiplying by 5/18 =16.66

intial velocity =80km/h (convert in m/s by multiplying by 5/18) =22.22

using formula of acceleration= v-u/t

16.66-22.22/5

-12.21

retardation of 12.21 m/s