Question

two trains each of length 150mare moving in opposite direction at 36km/hr and 72km/hr respectively. time taken by them to just cross each other completely is​

Answer 1

Answer:

10 seconds

Explanation:

Total Distance (150+150)= 300m

rel. velocity= (72+36)km = 108 km

108*5/18 = 30 m/s

t=d/s

=300/30 = 10 seconds

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