A 200m long train crosses a 1400m long bridge with a uniform speed of 72km/hr. calculate the time taken by the train to cross the bridge
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Length of the train=200m
speed=72km/hr
speed in m/s=72*1000/3600
=20m/s
train have to cover the distance of=1400+200
=1600m
It is the case of direct variation.
ATQ,
20/1=1400/x
x=1400/20
x=70s
.
. .train had taken 70s to cross the bridge.
speed=72km/hr
speed in m/s=72*1000/3600
=20m/s
train have to cover the distance of=1400+200
=1600m
It is the case of direct variation.
ATQ,
20/1=1400/x
x=1400/20
x=70s
.
. .train had taken 70s to cross the bridge.
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A 200m long train crosses a 1400m long bridge with a uniform speed of 72km/hr. calculate the time taken by the train to cross the bridge
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