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JEE Main & Advanced Physics Two Dimensional Motion Question Bank Non-uniform Circular Motion

  • question_answer
    A body slides down a frictionless track which ends in a circular loop of diameter \[D\], then the minimum height \[h\] of the body in term of \[D\] so that it may just complete the loop, is

    A)             \[h=\frac{5D}{2}\]

    B)                      \[h=\frac{5D}{4}\]

    C)             \[h=\frac{3D}{4}\]

    D)           \[h=\frac{D}{4}\]

    Correct Answer: B

    Solution :

                    \[h=\frac{5}{2}R=\frac{5}{2}\left( \frac{D}{2} \right)=\frac{5D}{4}\]


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