If $\vec { a } , \vec { b } \neq \overrightarrow { 0 }$

question 51

Essay

If $\vec { a } , \vec { b } \neq \overrightarrow { 0 }$ , then $\vec { a } \cdot ( \vec { a } \times \vec { b } ) = 0$ .Why is this true?

---

Definitions:

Creatine Phosphokinase

An enzyme found in the heart, brain, and skeletal muscle that plays a key role in the energy storage and utilization processes.

Oxygen-poor Blood

Blood that has delivered its oxygen to the tissues of the body and is returning to the lungs to be reoxygenated.

Pulmonary Valves

Heart valves located at the opening of the pulmonary artery that prevent backflow of blood into the right ventricle.

Aortic Valves

The valve in the heart that controls blood flow from the left ventricle into the aorta.