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NTSE Sample Paper NTSE SAT Practice Test-17

  • question_answer
    A ball is thrown vertically upwards, Which of  the following graphs represents velocity-time graph of the ball during its flight,ignoring air resistance?                    

    A)       

    B)

    C)      

    D)

    Correct Answer: B

    Solution :

    [b] At t= 0. v is maximum.         Due to opposing gravity, velocity decreases at a constant rate to zero. At this stage, gravity helps and velocity of the body goes on increasing at a constant rate in opposite direction. So, [c] is correct representation of the case.


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