A 400 Kg Solid Sphere (I = 2/5 MR²) Is Spinning

question 28

Multiple Choice

A 4.00 kg solid sphere (I = 2/5 MR²) is spinning with an angular velocity of 23.0 rad/s. The diameter of the sphere is 20.0 cm. The rotational kinetic energy of the spinning sphere is

• A) 3.02 J.
• B) 3.52 J.
• C) 3.75 J.
• D) 4.02 J.
• E) 4.23 J.

---

Definitions:

Dissemination

The process of spreading information, knowledge, or ideas to a wide audience.

Sticky

Describes content, websites, or applications that engage users and encourage them to spend more time interacting with them.

Memorable Impact

The lasting impression or effect that something or someone has, making it easily remembered or impactful.

Self-Presentation Technique

Strategies or methods used by individuals to control or influence the impression others form of them, especially in social and online contexts.