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7th Class Science Time and Motion Question Bank Motion and Time

  • question_answer
            With what speed should a car travel so that it can cover a distance of 10 km in 5 minutes?

    A) \[10\,km\,{{h}^{-1}}\]                                   

    B) \[~50\text{ }km\text{ }{{h}^{-1}}\]         

    C)        \[~60\text{ }km\text{ }{{h}^{-1}}\]     

    D)        \[120\,km\,{{h}^{-1}}\]

    Correct Answer: D

    Solution :

    Speed = Distance/time \[=\frac{10\times 60}{5}=120\,km\,{{h}^{-1}}\]


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