Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-20

  • question_answer
    A particle of mass 4m which is at rest explodes into three fragments. Two of the fragments, each of mass m are found to move with a speed v each in mutually perpendicular directions. The total energy released in the process is

    A)  \[\frac{1}{2}\text{m}{{\text{v}}^{2}}\]          

    B)  \[\text{mv}\]

    C)  \[\text{1}\frac{\text{5}}{\text{4}}\text{m}{{\text{v}}^{\text{2}}}\]     

    D)  \[\frac{\text{5}}{\text{2}}\text{m}{{\text{v}}^{\text{2}}}\]

    Correct Answer: C


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