SOLUTION: two trains of length 150 m and 180 m respectively are running in opposite direction on parallel track of their speed be 30 km/h and 24 km/hr respectively in what time will be they

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Question 925332: two trains of length 150 m and 180 m respectively are running in opposite direction on parallel track of their speed be 30 km/h and 24 km/hr respectively in what time will be they cross each other
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
combined length = 150 + 180 = 330 m = 0.33 km
relative speed = 30 + 24 = 54 kph
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s = d/t
t = d/s
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t = 0.33/54
t = 0.00611111111111 hours
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answer:
0.00611111111111 hours * 60*60 seconds/hour
22 seconds
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