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

question 18

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 (thermal) energy of the athlete?

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

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Definitions:

Minimize Cost

An objective in many business operations and economic models aiming to reduce expenses to the lowest possible level while maintaining efficiency and quality.

Capacity

The maximum amount of work or output that a system or facility can produce or handle over a given period of time.

Expediting

Expediting involves speeding up processes or deliveries, often to meet a tight deadline or to overcome delays.

Dispatching

The process of sending goods or vehicles out to specific locations or assignments.