Two Cyclists,who Weigh the Same and Have Identical Bicycles,ride Up

question 50

Multiple Choice

Two cyclists,who weigh the same and have identical bicycles,ride up the same mountain,both starting at the same time.Joe rides straight up the mountain,and Bob rides up the longer road that has a lower grade.Joe gets to the top before Bob.Which statement is true?

• A)Ignoring friction and wind resistance,the amount of work done by Joe is equal to the amount of work done by Bob,but the average power exerted by Joe is greater than that of Bob.
• B)Ignoring friction and wind resistance,the amount of work done by Joe is greater than the amount of work done by Bob,and the average power exerted by Joe is greater than that of Bob.
• C)Ignoring friction and wind resistance,Bob and Joe exerted the same amount of work,and the average power of each cyclist was also the same.
• D)Ignoring friction and wind resistance,the average power exerted by Bob and Joe was the same,but Joe exerted more work in getting there.

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Definitions:

Ablate

To remove or destroy tissue, often through surgical means or using extreme cold or heat, used in various medical treatments.

Broca's Area

Broca's Area is a region in the frontal lobe of the dominant hemisphere of the brain, involved in language processing, speech production, and comprehension.

Frontal Lobe

The part of the brain located at the front of the head, responsible for decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.

Temporal Lobe

A region of the brain responsible for processing auditory information and encoding memory.