Additional work required to stretch the spring by 4cm.
Answer to Problem 28P
Solution:Additional 48 J work is required to stretch the spring by 4cm if it takes 6 J of work to stretch spring by 2 cm initially.
Explanation of Solution
Given: Spring is stretched to 2 cm, i.e.,
Work done
Formula Used:
The work done in spring is given by
Where, k is the spring constant.
x is the stretched length of the spring.
Calculations: First, we will find the spring constant using the equation
The spring constant of spring is 30000 N/m.
Now find the work required to stretch additional 4 cm.
The additional work is
Conclusion:Additional 48 J work is required to stretch the spring by 4cm if it takes 6 J of work to stretch spring by 2 cm initially.
Chapter 6 Solutions
Physics: Principles with Applications
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