Block A, with a Mass of 4

question 76

Multiple Choice

Block A, with a mass of 4.0 kg, is moving with a speed of 2.0 m/s while block B, with a mass of 8.0 kg, is moving in the opposite direction with a speed of 3.0 m/s.The momentum of the center of mass of the two-block system is:

• A)16 m/s in the same direction as A
• B)16 m/s in the same direction as B
• C)32 m/s in the same direction as A
• D)12 m/s in the same direction as B
• E)60 m/s in the same direction as A

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Definitions:

Long-Run Cost Diagram

A graphical representation depicting the relationship between output and the long-term costs of production when all inputs can be varied.

Profit-Maximizing Output

The level of production at which a firm achieves the highest possible profit, where marginal revenue equals marginal cost.

X-Inefficiency

A concept where a firm operates with higher costs than are necessary due to lack of competition or internal inefficiencies.

Economies Of Scale

Cost savings that accrue to firms from upscaling their production operations, where there's a typical decrease in the cost per unit with larger production volumes.