A Boxcar Without a Front or a Back Is Moving

question 28

Multiple Choice

A boxcar without a front or a back is moving toward the right. Two electrons move through the boxcar, one moving from back to front toward the right, the other moving from front to back toward the left. According to me, each electron is moving with a speed of 0.8c, and the boxcar is moving with a speed of 0.6c. A passenger in the boxcar records how long it takes each electron to pass from one end of the boxcar to the other end. According to the passenger, which took less time?

• A) the electron going from front to back
• B) the electron going from back to front
• C) Since nothing can go faster than light, an electron cannot move toward the left with a speed of 0.8c through a boxcar moving toward the right with a speed of 0.6c.
• D) They both took the same time.

Comprehend how intelligence tests predict academic and life outcomes.

Understand the concept of standardization in psychological testing.

Grasp the relationship between intelligence and socioeconomic outcomes.

Acknowledge the limitations and ethical considerations of using intelligence and aptitude tests for academic and career decisions.

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Definitions:

Miles Per Gallon

A measure of fuel economy that represents the number of miles a vehicle can travel on one gallon of fuel.

Gallons

A unit of volume in the US customary and imperial systems, used to measure liquids. One US gallon is equal to approximately 3.785 liters.

Regular Employees

Individuals who are employed by a company on a permanent basis, typically working a standard work week.

Temporary Employees

Workers hired on a short-term basis to fill temporary needs of an employer, often through staffing agencies.