A Moving Object's Mass Is Twice Its Rest Mass

question 77

Multiple Choice

A moving object's mass is twice its rest mass. Its length (in the direction of travel) must therefore be

• A) one-half its proper length.
• B) twice its proper length.
• C) one-fourth its proper length.
• D) four times its proper length.
• E) times its proper length.

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Definitions:

Equilibrium Quantity

The amount of products or services available that matches the amount desired at the market's equilibrium price.

Equilibrium Price

The price at which the quantity of a good or service supplied equals the quantity demanded in a market.

Chocolate-Covered Peanuts

A snack or confectionery consisting of peanuts that are coated in a layer of chocolate.

Surplus

A scenario where the supply of goods surpasses what is being demanded at the present price level.