A 100 M LONG TRAIN CROSSES A 200 M LONG AND 20 M WIDE BRIDGE IN 20 SECONDS. WHAT IS THE SPEED OF THE TRAIN INKM/HR ?
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Hi. ..
Length of train=100m
Lengthof bridge=200.
Thus total distance =300m = 0.4 km
Time taken = 20 sec=0.005hr.
W.K.T.
speed = distance / time
Thus , speed = 0.3 / 0.005
Thus speed = 60km / hr.
Hope this helps u !!
Length of train=100m
Lengthof bridge=200.
Thus total distance =300m = 0.4 km
Time taken = 20 sec=0.005hr.
W.K.T.
speed = distance / time
Thus , speed = 0.3 / 0.005
Thus speed = 60km / hr.
Hope this helps u !!
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