A 12-Kg Mass Is Oscillating Without Friction on a Spring Whose

question 41

Multiple Choice

A 1.2-kg mass is oscillating without friction on a spring whose spring constant is 3400 N/m.When the mass's displacement is 7.2 cm, what is its acceleration?

• A)−3.8 m/s²
• B)−200 m/s²
• C)−240 m/s²
• D)−2.0 x 10⁴ m/s²
• E)cannot be calculated without more information

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Definitions:

Object Relations Theories

A group of theories in psychoanalysis that focus on the relationships between individuals and the external and internal objects in their environment, considering how these relationships affect emotions and behavior.

Attachment Theories

A group of theories in psychology that describe the dynamics of long-term and short-term interpersonal relationships between humans.

Separation Anxiety

A disorder typically seen in children, characterized by excessive fear and worry about being parted from those to whom the child is attached.

Bowlby

Refers to John Bowlby, a British psychologist who is considered the father of attachment theory, focusing on the importance of early emotional bonds.