Two pendulum of length 1.21 m and 1.0 m start vibrating . At some instant , the two are in the mean position in same phase . after how many vibrations of the longer pendulum , the two will be in phase ?
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Two pendulum of length 1.21 m and 1.0 m start vibrating . At some instant , the two are in the mean position in same phase . after how many vibrations of the longer pendulum , the two will be in phase ?
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