Due to Inertia, Perhaps a Railroad Train in Motion Should

question 58

Multiple Choice

Due to inertia, perhaps a railroad train in motion should continue moving indefinitely when its engine is turned off. This is not observed because railroad trains

• A)aren't massive enough.
• B)are too heavy.
• C)ride on straight tracks.
• D)encounter opposing forces.

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Definitions:

Supply Curve

A graphical representation of the relationship between the price of a good and the quantity of the good that sellers are willing to offer for sale, holding other factors constant.

Horizontal Axis

In a graph or chart, it is the x-axis, representing the independent variable.

Equilibrium Quantity

Equilibrium quantity is the quantity of goods or services that is supplied and demanded at the equilibrium price, where the quantity supplied equals the quantity demanded.

Cross Elasticity

A measure of the responsiveness of the demand for one good to a change in the price of another good.