A 40-Kg Mass Attached to the End of a String Swings

question 7

Multiple Choice

A 4.0-kg mass attached to the end of a string swings in a vertical circle of radius 2.0 m. When the string makes an angle of 35° with the vertical as shown, the speed of the mass is 5.0 m/s. At this instant what is the magnitude of the force the string exerts on the mass?

• A) 50 N
• B) 82 N
• C) 89 N
• D) 11 N
• E) 61 N

Evaluate the diverse theories regarding the etiology of depression and bipolar disorders.

Understand the distinction between unipolar and bipolar disorders, including their symptoms and diagnostic criteria.

Recognize the role of biological factors in explaining bipolar disorders.

Grasp the impact of technological communication (e.g., texting) on relationships.

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Definitions:

Heredity

The transmission of physical or mental traits from parents to their offspring through genetics.

Biological Motives

Innate motivations driven by biological needs that are essential for survival, such as hunger, thirst, and the drive for self-preservation.

Fundamental Attribution Error

A cognitive bias where people overemphasize personality traits and underestimate situational factors when explaining other people's behavior.

Situational Influences

External factors or environmental conditions that impact an individual's behavior, attitudes, or actions in a given context.