An Inventor Develops a Stationary Cycling Device by Which an Individual,while

question 18

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.What minimum power must be generated if 300 g of water (enough for 1 cup of coffee) is to be heated in 10 min from 30°C to 90°C? (1 cal = 4.186 J,the specific heat of water is 4 186 J/kg · °C)

• A) 9400 W
• B) 590 W
• C) 160 W
• D) 130 W

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Definitions:

Little Albert

An early experiment in psychology by John B. Watson and Rosalie Rayner that demonstrated how emotional responses, such as fear, could be conditioned in humans.

John Watson

An American psychologist who established the school of behaviorism and conducted research on animal behavior and child development.

Immunosuppression

The reduction of the efficacy of the immune system's ability to fight infections or diseases.

Classical Conditioning

A training process in which two stimuli are systematically paired together, causing a response initially elicited by the second stimulus to be later elicited by the first stimulus alone.