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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
19 Nov 2021

Given information

Given a spring of natural length, 20 cm. Also, a 25-N force is required to keep it stretched to a length of 30 cm. 

Step-by-step explanation

Step 1.

The spring has a natural length, 20 cm. 

Hooke’s Law states that the force required to maintain a spring stretched  units beyond its natural length is proportional to  :

 

 

Also, it is given that a 25-N force is required to keep it stretched to a length of 30 cm. 

Here,  

 

   

 

 

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