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Discussion :: Applied Mechanics

  1. A train weighing 196 tonnes experiences a frictional resistance of  5 \( \frac { 1 1} {2 2 }\)per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is

    2. A.

    5 \(\sqrt{10}\) m/sec
    B.

    10 m/sec
    C.

    5 \(\sqrt{3}\)m/sec
    D.

    3 \(\sqrt{5}\)m/sec

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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