19 Nov 2021
Problem 7b
Page 472
Section 6.6: Applications to Physics and Engineering
Chapter 6: Application of Integration
Textbook ExpertVerified Tutor
19 Nov 2021
Given information
Given that 2 J of work is needed to stretch a spring from its natural length of 30 cm to a length of 42 cm.
Step-by-step explanation
Step 1.
The work required to stretch the spring from to is given as :
Since it is given that 2 J of work is needed to stretch a spring from its natural length of 30 cm (0.3 m) to a length of 42 cm (0.42 m).
That means the spring is stretched 0.12 m.