Two trains are travelling at the speeds of 20km/hr and 40 km/hr respectively. assuming that directions of both trains are same, the faster train will pass a man who is sitting inside the slower one in 5 seconds. determine the length of this train.
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Relative speed = (40 - 20) km/hr =
20 x
5
m/sec =
50
m/sec.
18
9
Length of faster train =
50
x 5
m =
250
m = 27
7
m
20 x
5
m/sec =
50
m/sec.
18
9
Length of faster train =
50
x 5
m =
250
m = 27
7
m
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