Two Spaceships Approach Earth from the Same Direction

question 95

Multiple Choice

Two spaceships approach Earth from the same direction.One has a speed of 0.21c and the other a speed of 0.34c,both relative to Earth.What is the speed of one spaceship relative to the other?

• A)0.13c
• B)0.14c
• C)0.15c
• D)0.16c
• E)0.18c

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Definitions:

Exports

Goods or services sold by a country to buyers located in other countries.

Export Supply

The total amount of goods and services a country's producers are willing and able to sell abroad at a given price level.

Import Demand

The desire or need for products or services brought into a country from abroad.

Equilibrium World Price

The price at which the supply of a good on the global market equals the demand for that good.