An Athlete Doing Push-Ups Performs 650 KJ of Work and Loses

question 83

Multiple Choice

An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What is the change in the internal energy of the athlete?

• A) -225 kJ
• B) -1075 kJ
• C) 1075 kJ
• D) 225 kJ
• E) 276 kJ

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Definitions:

Timely Manner

Completing tasks or fulfilling obligations within the expected or agreed timeframe.

Duty

An obligation or responsibility legally or morally bound upon an individual, organization, or entity.

Discretion

The freedom to decide what should be done in a particular situation, often involving judgment and choice.

Notify

To formally or officially inform someone about a fact, situation, or requirement.