NEET Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति NEET PYQ-Work Energy Power and Collision

  • question_answer
    A particle of mass M starting from rest undergoes uniform acceleration. If the speed acquired in time T is v, the power delivered to the particle is [AIPMT (M) 2010]

    A) \[\frac{M{{v}^{2}}}{T}\]

    B) \[\frac{1}{2}\frac{M{{v}^{2}}}{{{T}^{2}}}\]

    C) \[\frac{M{{v}^{2}}}{{{T}^{2}}}\]

    D) \[\frac{1}{2}\frac{M{{v}^{2}}}{T}\]

    Correct Answer: D

    Solution :

    The kinetic energy of particle \[=\frac{1}{2}M{{v}^{2}}\]
    \[\text{Power}\,\text{=}\frac{\text{Energy}}{\text{Time}}\]
                            \[P=\frac{1}{2}\frac{M{{v}^{2}}}{T}\]


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