Question

Two trains, each 50 m long are travelling in opposite
direction with velocity 10 m/s and 15 m/s. The time of
crossing is
(a) 2s
(b) 4s
(c) 2√3s
(d) 4√3s​

Answer 1

Answer:

a)2 s

Explanation:

As trains are going in opposite direction

Vab = 15+ 10 =25

so,

t=d/v

=50/25

= 2s

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