A Block with Mass M, on the End of a String

question 34

Multiple Choice

A block with mass M, on the end of a string, moves in a circle on a horizontal frictionless table as shown.As the string is slowly pulled through a small hole in the table:

• A)the angular momentum of M remains constant
• B)the angular momentum of M decreases
• C)the kinetic energy of M remains constant
• D)the kinetic energy of M decreases
• E)none of the above

Recognize sex as a social and biological motive with influences from nature and nurture.

Identify the complex control system required for reproduction involving hormonal interactions between the brain and the reproductive system.

Comprehend the role of aggression and its influences from evolutionary, biological, and cultural perspectives.

Explain the importance of mate selection criteria from both evolutionary and cultural viewpoints.

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Definitions:

Light-Independent Reactions

The series of biochemical reactions in photosynthesis that do not require light to proceed, occurring in the stroma of chloroplasts to synthesize glucose.

Photorespiration

Inefficient sugar-production pathway initiated when rubisco attaches oxygen instead of carbon dioxide to RuBP (ribulose bisphosphate).

Carbon Fixation

Process by which carbon from an inorganic source such as carbon dioxide is incorporated (fixed) into an organic molecule.

Calvin-Benson Cycle

A series of biochemical reactions taking place in the stroma of chloroplasts in photosynthetic organisms, pivotal in converting carbon dioxide into glucose.