4. A force of 50lbs is required to hold a spring stretched 5inches beyond its natural length. How much work is required to stretch it from its natural length to 10inches beyond its natural length in ft-lbs?

Trigonometry (MindTap Course List)
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ISBN:9781337278461
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Chapter3: Additional Topics In Trigonometry
Section3.3: Vectors In The Plane
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4. A force of 50lbs is required to hold a spring stretched 5inches beyond
its natural length. How much work is required to stretch it from its
natural length to 10inches beyond its natural length in ft-lbs?
Transcribed Image Text:4. A force of 50lbs is required to hold a spring stretched 5inches beyond its natural length. How much work is required to stretch it from its natural length to 10inches beyond its natural length in ft-lbs?
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