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A driver applies brake when he sees a child on the railway track , the speed of the train reduces from 54 km/h to 18 km/h in 5 sec . What is the distance travelled by the train during this interval of time ? |
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Answer» 95mExplanation: s = ut+1/2at^2U=54km/h= 15m/s v=18km/h=5m/sT=5secA=v-u/t =15-5/5=2S=15m/s×5s+1/2×2m/s^2×5s×5sS=95m |
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