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  5. Force and laws of motion

9th Class Science Force and laws of motion Question Bank Self Test-5

  • question_answer
    Calculate the change in momentum of a body weighing 10 kg when its velocity decreases from 20 m/s to 0.2 m/s.

    A)   -202 N s

    B)   +202 N s

    C)   + 198 N s

    D)   - 198 N s

    E)  None of these

    Correct Answer: D

    Solution :


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