The natural length of an elastic spring is $30\,\text{cm}$. When a load of $6.0\,\text{N}$ is attached to the spring, its length becomes $66\,\text{cm}$. That $6.0\,\text{N}$ load is then taken off, and the spring goes back to its original length. A load of $2.0\,\text{N}$ is now attached to the spring. What is the spring’s new length?
- A$22\,\text{cm}$
- B$40\,\text{cm}$
- C$42\,\text{cm}$
- D$52\,\text{cm}$