Practice Test Discussion

Q)

A runner runs at a track meet. He completes 800 meter lap in 80 seconds. After the finish he is at the starting point. Calculate average speed of the runner during this lap?

    • Explanation

    The distance covered by him is equal to 800 meters and he has completed it in 80 seconds.

    We know the formula,

    Average speed =Total distanceTotal time

    ∴ Average speed of the runner during this lap=8008

    = 10 m/s

    Hence, Option A is correct.

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