Question

a bicycle increase a velocity from 18km/h to 54km/h in 10 second. Calculate the acceleration​

Answer 1

u=18kmph=18×1000/60×60=5mps

v=54kmph=54×1000/60×60=15mps

a=v-u/t

a=15-5/10

a=10/10

a=1m/s^2

Answer 2

u=18km/h=18×5/18=5m/s

v=54km/h=54×5/18=15m/s

t=10s

a=v-u/t

a=15-5/10

a=10/10

a=1m/s^2

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