AIIMS AIIMS Solved Paper-2015

  • question_answer
    Consider the situation shown in figure A spring of spring constant 400 N/m is attached at one end to a wedge fixed rigidly with the horizontal part. A 40 g mass is released from rest while situated at a height 5 cm the curved track. The minimum deformation in the spring is nearly equal to \[\text{II}\]

    A) 9.8 m                    

    B) 9.8 cm

    C) .98m,                                    

    D) .009km

    Correct Answer: B

    Solution :

    Applying the conservation of momentum to the system                 \[\,{{m}^{1/2}}\,\,{{l}^{1/2}}\,\omega \,\,\sin \theta .\cos \theta \] Given, m = 0.04 kg, h = 5 m, K = 400 N/m and x = deformation (compression) in the spring \[{{\mu }_{n}}\]                \[{{\mu }_{p}}\] \[{{\mu }_{i}}\]


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