The Angular Acceleration Versus Time for an Object Undergoing Circular

question 21

Multiple Choice

The angular acceleration versus time for an object undergoing circular motion is shown in the figure below.If the object started from rest at t = 0 s,the net angular velocity of the object at t = t_f is

• A)in the clockwise direction.
• B)in the counter-clockwise direction.
• C)zero.
• D)The angular velocity cannot be determined.

---

Definitions:

Renal Medulla

The middle portion of the kidney.

Middle Portion

The central segment or part of an object, area, or concept.

Renin

A hormone secreted by the kidney that helps to regulate blood pressure.

Blood Pressure

A measure of the force that circulating blood exerts against the walls of the arteries.