A 30-Kg Mass and a 5

question 49

Multiple Choice

A 3.0-kg mass and a 5.0-kg mass hang vertically at the opposite ends of a rope that goes over an ideal pulley.If the masses are gently released from rest,how long does it take for the 3.0-kg mass to rise by 1.0 m?

• A)0.41 s
• B)0.74 s
• C)0.82 s
• D)1.8 s
• E)0.90 s

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Definitions:

Dissociation

A mental process where there is a disconnection or lack of integration between thoughts, memories, surroundings, actions, and identity.

Pessimistic Explanatory Style

A tendency to habitually attribute negative events to permanent, pervasive causes, often leading to feelings of helplessness.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from persistent failure to succeed or a traumatic event.

Rumination

The act of continuously thinking about the same thoughts, typically negative, which causes emotional distress.