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NEET Sample Paper NEET Sample Test Paper-6

  • question_answer
    Figure shows the force - time graph for a body of mass 10kg initially at rest. The velocity gained by the body in 6s will be:

    A)  zero                

    B)  \[6\,m/s\]

    C)  \[3\,m/s\]                    

    D)  \[4\,m/s\]

    Correct Answer: D

    Solution :

    As, change in momentum = Area of F- + curve                 \[\Rightarrow \]               \[mV=\frac{1}{2}(6+2)\times 10=40N-s\]                                 \[V=4m/s\]


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