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  3. 9th Class
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  5. Time and Motion

9th Class Science Time and Motion Question Bank Motion Conceptive Subjective Problems

  • question_answer
    Which of the following changes of a particle is moving with uniform velocity? (a) Position vector           (b) Speed (c) Velocity                         (d) Acceleration

    Answer:

    Both speed and velocity are constant in the case of a particle moving with uniform velocity. A particle moving with uniform velocity has zero acceleration. Therefore, the position vector changes for it.


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