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JEE Main & Advanced Sample Paper JEE Main Sample Paper-12

  • question_answer
    An initially stationary box on a frictionless floor explodes into two pieces, piece A with mass \[{{\text{m}}_{\text{A}}}\], and piece B with mass \[{{\text{m}}_{\text{B}}}\]. Two pieces then move across the floor along x- axis. Graph of position versus time for the two pieces are given.                Which graphs pertain to physically possible explosions

    A)  II, IV and V                        

    B)  I, III, VI

    C)  I, III, V                 

    D)  II, III, VI

    Correct Answer: A

    Solution :

     Physically possible explosions are those in which both particles move in opposite directions. i.e. signs of velocities are opposite\[\Rightarrow \] II, IV & V


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