Blocks a and B Are Moving Toward Each Other

question 61

Multiple Choice

Blocks A and B are moving toward each other. A has a mass of 2.0 kg and a velocity of 50 m/s, while B has a mass of 4.0 kg and a velocity of -25 m/s. They suffer a completely inelastic collision. The kinetic energy lost during the collision is:

• A) 0
• B) 1250 J
• C) 3750 J
• D) 5000 J
• E) 5600 J

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Definitions:

Net Migration

The difference between the number of individuals entering and leaving a geographic area during a specific time period, which can impact population size and composition.

Labor Supply Curve

Represents the relationship between the wage rate and the quantity of labor that workers are willing to supply.

Equilibrium Outcome

A state in which market supply and demand balance each other, and, as a result, prices become stable.

Economic Rent

The excess payment made to a factor of production over and above what is needed to keep it in its current use, often due to unique circumstances.