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Select the correct Answer for each question.
-A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a length of 15 cm.How much work is done in stretching the spring from Select the correct Answer for each question. -A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a length of 15 cm.How much work is done in stretching the spring from   cm to   cm? A)    B)    C)    D)    E)   cm to Select the correct Answer for each question. -A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a length of 15 cm.How much work is done in stretching the spring from   cm to   cm? A)    B)    C)    D)    E)   cm?


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