7th Class Science Time and Motion Question Bank Motion and Time

  • question_answer
    A body has an acceleration of\[\text{4m}{{\text{s}}^{-\text{2}}}\]. What is its retardation?

    A)  \[-\text{ 4m}{{\text{s}}^{\text{2}}}\]

    B)  \[\text{4m}{{\text{s}}^{-\text{2}}}\]

    C) zero

    D) cannot be decided

    Correct Answer: A

    Solution :

         \[-\text{ 4m}{{\text{s}}^{\text{2}}}\]


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