Suppose that a spring has a natural length of 25 cm, and that 8 J of work is needed to stretch from a length of 50 cm to 80 cm. How far beyond its natural length will a force of 32 N keep the spring stretched?
**I've tried calculating the spring constant using the given force and stretch distance, and using that with the 32N of force to calculate the new stretch distance, but can't seem to get it.
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