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  3. 9th Class
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  5. Time and Motion

9th Class Science Time and Motion

  • question_answer 7)
    A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of , with what velocity will it strike the ground? After what time will it strike the ground?

    Answer:

    We have,                      The ball strike the ground after 2 s with the velocity of 20 m


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