A 210 m long train moves due north at 25 m s⁻¹. A small bird flies due south just above the train at 5 m s⁻¹. The time taken by the bird to cross the train is:

Physics · Kinematics part-3 Relative motion · Relative motion in one dimension

JEE MainsNEET

A 210 m long train moves due north at 25 m s⁻¹. A small bird flies due south just above the train at 5 m s⁻¹. The time taken by the bird to cross the train is:

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