me miles A train of equal lengths take zo see and 3osec respectively to cross miles- - tone, if the length of the each train be 24om, in what time (in seconds) will they cross each other travelling in oppo- site direction?
pls explain in detail form
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Answer:
Length of rains =120m
Time taken by the two trains to cross the telegram post are 10s and 15s
Speed of the first train =
10
120
=12m/s
Speed of the second train=
15
120
=8m/s
Relative speed of the trains =12+8
=20m/s
Time taken to cross each trains in opposite directions=
relative speed
total distance
=
20
240
=12sec
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