A bus decreases its speed from 80 kmh-1 to 60kmh-1 in 5s. Find the acceleration of bus
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u=80km/h=22.22m/s
v=60km/h=16.67m/s,t=5s
a=(v-u)÷t
=(16.67-22.22)÷5
=-5.55÷5
=(-1.11)m/s^2
It is negative acceleration ,that is, retardation.
v=60km/h=16.67m/s,t=5s
a=(v-u)÷t
=(16.67-22.22)÷5
=-5.55÷5
=(-1.11)m/s^2
It is negative acceleration ,that is, retardation.
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