Physics

Physics

Problem

A pendulum of length 0.90 m0.90\,\text{m} takes 38 s38\,\text{s} to complete 2020 oscillations. The value of gg obtained from this observation is closest to a) 10.9 m s−210.9\,\text{m s}^{-2} b) 8.1 m s−28.1\,\text{m s}^{-2} c) 9.8 m s−29.8\,\text{m s}^{-2} d) 18.7 m s−218.7\,\text{m s}^{-2}

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