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QUESTION
Suppose that 2 j of work are needed to stretch a spring from its natural length of 30 cm to a length of 42 cm. how far (in cm) beyond its natural length will a force of 30 n keep this spring stretched
Suppose that 2 j of work are needed to stretch a spring from its natural length of 30 cm to a length of 42 cm. how far (in cm) beyond its natural length will a force of 30 n keep this spring stretched?
