In the given figure linear acceleration of solid cylinder of mass $m_2$ is $a_2$ . Then angular acceleration $\alpha_2$ is (given that there is no slipping)

821-289

  • A

    $\frac{{{a_2}}}{R}$

  • B

    $\frac{{\left( {{a_2} + g} \right)}}{R}$

  • C

    $\frac{{2\left( {{a_2} + g} \right)}}{R}$

  • D

    None of these

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