Use Spherical Coordinates to Find the Z Coordinate of the Center

question 105

Multiple Choice

Use spherical coordinates to find the z coordinate of the center of mass of the solid lying between two concentric hemispheres of radii 6 and 7, and having uniform density k.

• A) \(\bar { z } = \frac { 36,124 } { 15 } k \pi\)
• B) \(\bar { z } = \frac { 36,124 } { 15 } k\)
• C) \(\bar { z } = \frac { \pi k } { 36,124 }\)
• D) \(\bar { z } = \frac { 3,315 } { 1,019 } k\)
• E) \(\bar { z } = \frac { 15 } { 36,124 } k \pi\)

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Definitions:

Naturalistic Observations

A research method where subjects are observed in their natural environment without any manipulation by the observer.

Cross-Cultural Psychologist

A psychologist who studies the ways cultural context influences human behavior and mental processes.

Biopsychologist

A scientist who studies the interaction between biological processes and psychological phenomena.

Naturalistic Observation

A research method in which subjects are observed in their natural environment without intervention by the researchers.