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9th Class Science Gravitation and Floatation Question Bank Gravitation Conceptive Subjective Problems

  • question_answer
    A body is projected vertically upwards with a velocity 20m/s. What is the maximum height reached by the body?                   (\[\text{g}=\text{1}0\text{m}/{{\text{s}}^{\text{2}}}\])

    Answer:

    \[u=20\,\,m/s.\] Maximum height reached = ? \[h=\frac{{{u}^{2}}}{2ga}=\frac{{{(20)}^{2}}}{2\times 10}=20m\]


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