As Shown in the Figure, Two Blocks Are Connected by a Light

question 33

Multiple Choice

As shown in the figure, two blocks are connected by a light string that passes over a frictionless pulley having a moment of inertia of 0.0040 $\mathrm { kg } \cdot \mathrm { m } ^ { 2 }$ and diameter 10 cm. The coefficient of kinetic friction between the table top and the upper block is 0.30 . The blocks are released from rest, and th string does not slip on the pulley. How fast is the upper block moving when the lower one has fallen 0.60 m?

• A) 2.0 m/s
• B) 3.2 m/s
• C) 1.4 m/s
• D) 1.2 m/s

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Definitions:

Cognitive Abilities

The mental capacities to reason, plan, solve problems, think abstractly, comprehend complex ideas, learn quickly, and learn from experience.

Gender Differences

Refers to distinctions in characteristics, roles, or behaviors typically associated with being male or female in a society.

Conventional Thought

Thinking that is based on established norms and practices in society, often accepting societal standards without questioning.

Middle Childhood

A developmental stage that occurs from around 6 to 12 years of age, characterized by significant growth in cognitive, social, and emotional domains.