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Manipal Medical Manipal Medical Solved Paper-2015

  • question_answer
    A car starts from rest and accelerates uniformly to a speed of 18 km \[{{h}^{-1}}\] in 10. The distance covered by the car in the time interval is

    A) 200m                                       

    B) 300m

    C) 500 m                                      

    D) 250 m

    Correct Answer: D

    Solution :

    \[u=0,v=180\,km/h=50\,m/s\] Time taken, t = 10 s \[a=\frac{v-u}{t}=\frac{50}{10}=5\,m{{s}^{-2}}\] Distance covered \[s=ut+\frac{1}{2}a{{t}^{2}}\] \[=0+\frac{1}{2}\times 5\times {{(10)}^{2}}\] \[=\frac{500}{2}\Rightarrow =250\,\,m\]


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