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March 26, 2017

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A person is cycling, parallel to a railway track, at a speed of 10 km/hr. A train travelling in the same direction at 46 km/hr, passes him in 22 seconds. Find the length of the train.

  • maths - ,

    Vn = Vt-Vb = 46-10 = 36km/h.
    Vn = 36km/h = 36000m/3600s. = 10 m/s =
    Net velocity of train.

    d = V*T = 10m/s * 22s = 220 m. = Length
    of train.

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