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JEE Main & Advanced Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Elastic and Inelastic Collision

  • question_answer
    A shell initially at rest explodes into two pieces of equal mass, then the two pieces will [CPMT 1982; EAMCET 1988; Orissa PMT 2004]

    A)          Be at rest

    B)          Move with different velocities in different directions

    C)          Move with the same velocity in opposite directions

    D)          Move with the same velocity in same direction

    Correct Answer: C

    Solution :

             According to law of conservation of linear momentum both pieces should possess equal momentum after explosion. As their masses are equal therefore they will possess equal speed in opposite direction.


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