Asked by maths
a train running at the speed of 180 km hr crosses a 365 meter long platform in 21sec. what is the length of the train
Answers
Answered by
Steve
180 km/hr = 50 m/s
the front of the train arrives at t=0.
The front of the train leaves the platform at t = 365/50 = 7.3
The back of the train whose length is x leaves the platform at t = 7.3 + x/50
So, solve for x in
7.3 + x/50 = 21
the front of the train arrives at t=0.
The front of the train leaves the platform at t = 365/50 = 7.3
The back of the train whose length is x leaves the platform at t = 7.3 + x/50
So, solve for x in
7.3 + x/50 = 21
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