If We Found a Star Cluster at the Edge of the Disk

question 35

Multiple Choice

If we found a star cluster at the edge of the disk of the Milky Way at a distance of 10 kpc from the center,which orbited with a velocity of 300 km/s,what would be the total mass enclosed within this radius?

• A)3 × 10¹¹ M_⨀
• B)7 × 10¹¹ M_V
• C)2 × 10¹¹ M_⨀
• D)4 × 10¹² M_⨀
• E)8 × 10¹² M_⨀

Identify the relationship between frustration, nonreward, and subsequent behavior.

Differentiate between various reinforcement schedules and their effects on behavior.

Analyze the emotional and motivational implications of increases and decreases in drives.

Understand the role of incentives in goal-directed behavior and performance.

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Definitions:

Fascinated

Intensely interested or attracted by something or someone, often leading to focused attention or admiration.

Flush

The act of cleansing something (such as a toilet) by causing a large flow of water to pass through it, or a sudden reddening of the face typically caused by emotions or heat.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed, seen, or heard, which typically develops in infancy.

Infant Amnesia

The phenomenon where most people are unable to recall personal experiences from their early childhood, typically before age 3 or 4.