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A train goes past a person standing at the edge of a platform at high speed. Then the person will be

Why is it dangerous to stand on the edge of platform near the line ,when the train is passing with speed ?

A railway engine passes by the platform at a speed of 36 km/hr blowing its whistle having a frequency of 660 Hz. The different in the frequencies of the whistle heard by a person standing on the platform as the engine goes past the person is equal to

Why is it dangerous to stand on the edge of the platform near the railway line when the train is passing by?

A 150 m long train crosses a platform in 15s. What is the length of the platform if the speed of the train is 90 km/h?

Training handicapped persons is

Training handicapped persons is