Physics, asked by ganapathi68, 1 year ago

15. A 130 m long train is moving in up direction with speed
72 km/h. Another train of 120 m long is moving in down
direction with speed of 108 km/h. The time in which second
train crosses the first train will be
(a) 5s (b) 10s (c) 12 s (d) 15 s

Answers

Answered by pawan6310

5

the train crosses the first train in 5 s

ganapathi68: derivation please

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