A Juggler Demonstrates His Abilities by Keeping a 2

question 2

Multiple Choice

A juggler demonstrates his abilities by keeping a 2.3-kg pipe wrench, a 1.5-kg hatchet, and a 1.0-kg hammer flying through the air above his head. The white circles on the graph represent the positions of the center of mass of each of the flying objects at one instant. What are the x and y coordinates of the center of mass for the system of these three objects? x y

• A)0.46 m 0.47 m
• B)0.30 m 0.54 m
• C)0.42 m 0.60 m
• D)0.47 m 0.26 m
• E)0.60 m 0.42 m

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Definitions:

Depressive Episodes

Periods marked by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities, often accompanying major depressive disorder.

Zeitgebers

Environmental cues, like light and temperature, that regulate the biological clocks of organisms.

Zeitstörers

External or environmental factors that disrupt the natural circadian rhythms or biological clocks of an organism.

Interpersonal Social Rhythm Therapy

A type of psychotherapy that combines interpersonal psychotherapy techniques with behavioral techniques to help manage the biological rhythms of individuals with bipolar disorder.