An Inventor Develops a Stationary Cycling Device by Which an Individual

question 10

Multiple Choice

An inventor develops a stationary cycling device by which an individual, while pedaling, can convert all of the energy expended into heat for warming water. How much mechanical energy is required to increase the temperature of 300 g of water (enough for 1 cup of coffee) from 30 $\degree$ C to 90 $\degree$ C? (1 cal = 4.186 J, the specific heat of water is 4186 J/kg · $\degree$ C)

• A) 94,000 J
• B) 75,000 J
• C) 5400 J
• D) 14 J

---

Definitions:

Kahneman And Tversky

Psychologists noted for their work on the psychology of judgment and decision-making, as well as behavioral economics.

Risks

Potential events or actions that may cause loss or hinder achievement of objectives.

Probability Of Success

The likelihood of achieving a goal or completing a task successfully, often expressed as a percentage.

American Sign Language (ASL)

A complete, natural language that serves as the predominant sign language of Deaf communities in the United States and most of Anglophone Canada.