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Manipal Engineering Manipal Engineering Solved Paper-2013

  • question_answer
    A train of \[150m\] length is going towards north direction at a speed of\[10\text{ }m/s\]. A parrot flies at a speed of \[5m/s\] towards south direction parallel to the railway track, the time taken by the parrot to cross the train is equal to

    A) \[12s\]                                 

    B) \[8s\]

    C) \[15s\]                 

    D)        \[10s\]

    Correct Answer: D

    Solution :

    Relative velocity of the parrot w.r.t. the train\[[10-(-5)]=(10-(-5))\,\,m/s=15m/s\] Time taken by the parrot to cross the train                 \[=\frac{150}{15}=10\,\,s\]


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