SOLUTION: I am travelling at 100 kmh I catch up to a train that is travelling at 80kmh. The train is 500 meters long. How long does it take me to pass this train. How far do I travel before
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Question 270267: I am travelling at 100 kmh I catch up to a train that is travelling at 80kmh. The train is 500 meters long. How long does it take me to pass this train. How far do I travel before I pass the train
Pete
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
This is a problem of relative speeds
with 2 trains moving at constant speed
The problem doesn't change at all if
I say that the train I am trying to pass
is standing still and I m moving at the
difference in our speeds, km/hr
Now, with the slower train stopped, how long
does it take my front end to go from it's
back end to it's front end, or m
(I converted km/hr to m/hr)
hr
min
min
I passed the 500 m long train at my actual speed of 100000 m/hr, so
m or
km actual ground covered
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