Four Identical Particles, Each with Mass M, Are Arranged in the X

question 43

Multiple Choice

Four identical particles, each with mass m, are arranged in the x, y plane as shown. They are connected by light sticks to form a rigid body. If m = 2.0 kg and a = 1.0 m, the rotational inertia of this array about the y-axis is:

• A) 4.0 kg∙m²
• B) 12 kg∙m²
• C) 9.6 kg∙m²
• D) 4.8 kg∙m²
• E) none of these

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Definitions:

Cognitive Theories

Psychological approaches that emphasize mental processes such as perception, memory, and problem-solving as key influences on behavior.

Conventional

Adhering to accepted standards and norms of behavior, thought, or technique, often in contrast to unconventional or innovative approaches.

Moral Development

A field of study in psychology that focuses on the evolution of morality—right and wrong, justice, and values—as individuals grow and integrate into society.

Androgens

A group of hormones that play a role in male traits and reproductive activity; includes testosterone.