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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 8 - Work, Energy and Power > An elastic spring of natural length l and force constant k is stretched by a length a .It is further stretched by a length β. The work done in second stretching is

An elastic spring of natural length l and force constant k is stretched by a length a .It is further stretched by a length β. The work done in second stretching is

An elastic spring of natural length l and force constant k is stretched by a length a .It is further stretched by a length β. The work done in second stretching is