The Rate of Cooling of an Object Is Proportional to the Difference

question 39

Multiple Choice

The rate of cooling of an object is proportional to the difference in temperature between the body and its surroundings. How much faster will a cup of water at boiling point (100.0°C) cool outside where the temperature is -10.0°C compared to in a room at temperature 20°C?

• A)0.4 times
• B)0.5 times
• C)0.7 times
• D)1.4 times

---

Definitions:

Undercutting Laborers

The practice of offering to work for lower wages or under worse conditions than others, leading to a decrease in labor standards and wages across a sector.

Industrial System

An economic and social system based on the large-scale production and distribution of goods, characterized by the use of machinery and often associated with the industrial revolution.

Manufacturing

The process of producing goods on a large scale using labor, machines, tools, and chemical or biological processing or formulation.

Samuel Slater

An industrialist known as the "Father of the American Industrial Revolution" for his role in bringing British textile technology to America.