Example 2: Moment of Inertia of a disk about an axis passing through its circumference Problem Statement: Find the moment of inertia of a disk rotating about an axis passing through the disk's circumference and parallel to its central axis, as shown below.
In middle-aged adults, aldosteronism is the most common secondary cause of hyperten-. sion, and the recommended initial diagnostic test is an aldosterone/. renin ratio. Up to 85 percent of children with hypertension have an. identifiable cause, most often renal parenchymal disease.
High blood pressure with an unknown cause is called essential, or primary, hypertension. Sometimes, an underlying disease or other condition is found to be the cause of the high blood pressure. This type, called secondary hypertension, only occurs in 5 to 10 percent of people with hypertension.