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a train is moving at speed of 25 kmph , another train
moving the same direction at a speed of 49 kmph crossed a
man in the first train in 10 sec ? wht is the length of the
second train ?
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Answer / ajeet
relative velocity will be=49-25=24km/h
then lenth of second train will be=
24*(5/18)*10=66.66 mtr
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / reddipavanakrishna
Relative velocity of trains = 49kmph -25 kmph = 24kmph
=6.67m/s
Time taken to cross the first train = 10 sec
Length of the second train = Relative Velocity * Time taken
to cross the first Train = 6.67 *10 = 66.7 metres
| Is This Answer Correct ? | 5 Yes | 0 No |
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