The work required to stretch a certain springfrom an elongation of 4.00 cm to an elongation of 5.00 cm is30.5 J. (a) Is the work required to increase the elongation of thespring from 5.00 cm to 6.00 cm greater than, less than, or equalto 30.5 J? Explain. (b) Verify your answer to part (a) by calculatingthe required work.

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