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Two trains are each 50 m long moving par...

Two trains are each 50 m long moving parallel towards each other at speeds `10 ms^(-1)` and `15 ms^(-1)` respectively, at what time will they pass each other ?

A

8 s

B

4 s

C

2 s

D

6 s

Text Solution

Verified by Experts

The correct Answer is:
B
`t = (l_(1) + l_(2))/(v_(r)) = (l_(1) + l_(2))/(v_(1) +v_(2))`
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