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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A block of mass m is suspended by a rubber cord of natural length l = mg/k, where k is force constant of the cord. The block is lifted upwards so that the cord becomes just tight

A block of mass m is suspended by a rubber cord of natural length l = mg/k, where k is force constant of the cord. The block is lifted upwards so that the cord becomes just tight

A block of mass m is suspended by a rubber cord of natural length l = mg/k where k is force constant of the cord. The block is lifted upwards so that the cord becomes just tight