A thin, uniform rod of mass 3 kg and length 1 m is hinged at its top end A and connected to two ideal springs of spring constant 12.5 N/m each at its bottom end B. Initially both springs are in their natural length and the rod is in the vertical plane. If the rod is rotated slightly in the vertical plane and released, it begins oscillations of time period (in seconds)
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The rusting of iron is an oxidation process. The rust on iron does not form by a simple ..
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