A train of 150 m length is going towards North direction at a speed of 10 m s - 1 . A parrot files at a speed of 5 m s - 1 towards South direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question

A train of 150 m length is going towards North direction at a speed of 10 m s - 1 . A parrot files at a speed of 5 m s - 1 towards South direction parallel to the railway track. The time taken by the parrot to cross the train is equal to, 12 s, 8 s, 15 s, 10 s

MARKS App · Accepted Answer

Relative velocity of the parrot w.r .t the train = 10 - - 5 m s - 1 = 15 m s - 1 Time taken by the parrot to cross the train = 150 15 = 10 s

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