NEET Sample Paper NEET Sample Test Paper-49

  • question_answer
    The energy required to accelerate a car from 10 m/s to 20 m/s is how many times the energy required to accelerate the car from rest to 10 m/s?

    A) equal                

    B) 4 times

    C) 2 times             

    D) 3 times

    Correct Answer: D

    Solution :

    \[\Delta KE\,\,=\,\,\frac{1}{2}m\,({{V}^{2}}_{f}-{{V}^{2}}_{i})\]


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