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Railways Basic Science and Engineering Time and Motion Question Bank Speed and Velocity

  • question_answer
    The ball is projected up from ground with speed 30 m/sec. What is the average velocity for time 0 to 4 sec?

    A)  10 m/sec                      

    B)  20 m/see

    C)  15 m/sec                      

    D)  zero

    Correct Answer: A

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