A hundred metre long train is moving with a uniform velocity of 45 km per hour the time taken by the train to cross a bridge of 1 km is
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4
speed =45km/h
distance =1+0.1 km =1.1 km
time =distance /speed
=1.1 km/45km/h
= 0 .024 h
=0.024×60 min
= 1.44min
I hope it helps you
distance =1+0.1 km =1.1 km
time =distance /speed
=1.1 km/45km/h
= 0 .024 h
=0.024×60 min
= 1.44min
I hope it helps you
Answered by
1
speed of train in m per sec =45×5÷18=25/2
total distance = lenght of train +length of bridge
time= distance ÷speed
100 + 1000/12.5
88 sec = 1 min 28 sec
total distance = lenght of train +length of bridge
time= distance ÷speed
100 + 1000/12.5
88 sec = 1 min 28 sec
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