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Exercise 7.16 An ideal spring of negligible mass is 11.00 cm. long when nothing is attached to it. When you hang a 3.05-kg weight from it, you measure its length to be 12.50 cm Part A If you wanted to store 10.0 Jof potential energy in this spring, what would be its total length? Assume that it continues to obey Hookes law. Express your answer numerically. If there is more than one answer, enter each answer, separated by a Comma Ltotal 21.52 Submit My Answers Give U incorrect, Try Again, 3 attempts remaining; no points deducted Your answer does not have the correct number of comma-separated terms.

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