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

question 26

Multiple Choice

An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of thermal energy through heating.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:

Spiral Organ

A structure located within the cochlea of the inner ear, essential for hearing as it transforms sound waves into electrical signals.

Basilar Membrane

A membrane in the cochlea of the inner ear that moves in response to sound, allowing for hearing.

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear and is involved in the transmission of sound vibrations to the cochlea.

Photoreceptors

Cells located in the retina of the eye that are sensitive to light, enabling vision by converting light into chemical and electrical signals.