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

  • question_answer
    DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-1 The following table gives the odometer readings of a car at different times of its journey.
    Time Odometer reading
    8.00 AM 36510 Km
    8.30 AM 36540 Km
    9.00 AM 36580 Km
    9.30 AM 36620 Km
    10.00 AM 36680 Km
    The maximum speed of car during any of the given intervals of time is

    A) 60km/h           

    B) 80km/h

    C) 85km/h           

    D) 120km/h

    Correct Answer: D

    Solution :

        Maximum distance of 60 km is covered during the interval 9.30 to 10.00 AM             \[(i.e.30\min or\frac{1}{2}h)\]             \[speed=\frac{60km}{0.5h}=120km/h\]


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