A Spring with Force Constant K = 300 N/m Is $\times$

question 56

Multiple Choice

A spring with force constant k = 300 N/m is compressed 9.0 cm.What is the potential energy in the spring?

• A)1.2 \(\times\) 10⁴ J
• B)2.4 J
• C)2.7 \(\times\) 10⁴ J
• D)27 J
• E)1.2 J

---

Definitions:

Tachycardia

Abnormal rapidity of heart action.

Purkinje Fibers

Specialized fibers in the heart's ventricles that help coordinate the heart's contractions by conducting electrical impulses.

Repolarization

The process by which cells, especially heart and nerve cells, restore their membrane potential to a resting state after depolarization.

Electrocardiogram

A diagnostic test that measures the electrical activity of the heart to assess its health and functionality.