In the Figure, Two Blocks, of Masses 2

question 116

Multiple Choice

In the figure, two blocks, of masses 2.00 kg and 3.00 kg, are connected by a light string that passes over a frictionless pulley of moment of inertia 0.00400 kg · m² and radius 5.00 cm. The coefficient of friction for the tabletop is 0.300. The blocks are released from rest. Using energy methods, find the speed of the upper block just as it has moved 0.600 m.

• A) 1.22 m/s
• B) 5.44 m/s
• C) 3.19 m/s
• D) 1.95 m/s
• E) 1.40 m/s

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Definitions:

Enmeshed Alliances

Describes overly close relationships where boundaries are blurred and individual identities may become somewhat lost.

Cognitive Dissonance

A psychological phenomenon where there is discomfort or mental conflict due to holding contradictory beliefs, values, or attitudes.

Positive Feedback

A form of evaluation or response that emphasizes what was done well, reinforcing the behavior that produced positive outcomes.

Cognitive Dissonance

Cognitive dissonance is a psychological phenomenon where a person experiences mental discomfort due to holding conflicting beliefs, values, or attitudes simultaneously.