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

  • question_answer
    A tennis ball is released from height h above ground level. If the ball makes inelastic collision with the ground, to what height will it rise after third collision [RPET 2002]

    A)               \[h{{e}^{6}}\]             

    B)               \[{{e}^{2}}h\]             

    C)               \[{{e}^{3}}h\]       

    D)                   None of these

    Correct Answer: A

    Solution :

                  \[{{h}_{n}}=h{{e}^{2n}}\] after third collision \[{{h}_{3}}=h{{e}^{6}}\] [as n = 3]       


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