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  5. Time and Motion

9th Class Science Time and Motion Question Bank Motion

  • question_answer
    If a body is thrown vertically upward and rises to a height of 10 m, then time taken by the body to reach the highest point is

    A)  1.043s  

    B)  1.43

    C)  1.024s

    D)  None of these

    Correct Answer: A

    Solution :

     From\[v=u-gt\]             \[0=10-9.8t\] \[\Rightarrow \]      \[{{u}^{2}}=196\] \[\Rightarrow \]   \[t=\frac{10}{9.8}=1.043\,\,\sec \]


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