Question

A 180 meter long train is moving due north at a speed of 25 m/s. A small bird is flying due south , a little inove the train with a speed of 5m/s. the time taken by the Bird to cross the train is..
(a) 10 s
(b) 12 s
(c) 9 s
(d) 6 s​

Answer 1

Answer:

Option d:6 s

Explanation:

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