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9th Class Science Time and Motion Question Bank Self Test-6

  • question_answer
    A man walks on a straight road from his home to a market 3km away with a speed of 6 km/h. The market was closed; he instantly turns and walks back with a speed of 9km/h. What is the magnitude of average velocity of the man between time interval 0 to 40 min?

    A)  2.25 km/h

    B)  6.75 km/h

    C)  4.5 km/h

    D)  7.5 km/h

    E)  None of these

    Correct Answer: A

    Solution :


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