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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
19 Nov 2021

Given information

Given that the work required to stretch a spring 1 ft beyond its natural length is 12 ft-lb .

Step-by-step explanation

Step 1.

The work required to stretch the spring from  to  is given as :

where .

 

Since it is given that the work required to stretch a spring 1 ft beyond its natural length is 12 ft-lb .

 

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