A Bug Crawls from the Center to the Edge of a Uniform

question 26

Multiple Choice

A bug crawls from the center to the edge of a uniform disk that is freely turning at 20 rpm.The disk has a mass of 11 grams and a radius of 26 cm.If the angular speed of the disk is 12.6 rpm when the bug reaches the disk's edge,what is the mass of the bug?

• A)1.7 g
• B)2.5 g
• C)2.8 g
• D)3.2 g
• E)2.0 g

Understand the impact of immediate versus delayed reinforcers on learning.

Distinguish between positive and negative reinforcement and their effects on behavior.

Understand the difference between formal and informal communication channels within organizations.

Recognize the function and characteristics of the grapevine in organizational communication.

---

Definitions:

Gallbladder

A small, pear-shaped organ located under the liver, which stores and concentrates bile, a fluid that helps digest fats.

Common Bile Duct

A major duct that carries bile from the liver and gallbladder into the small intestine for digestion.

Hypopharynx

The lower part of the pharynx (throat) that lies below the oropharynx and above the esophagus and larynx, involved in swallowing.

Pharynx

The muscular tube that extends from the back of the nose to the esophagus, part of the digestive and respiratory systems.