Two Spaceships Approach Earth from Opposite Directions

question 52

Multiple Choice

Two spaceships approach Earth from opposite directions.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)0.51c
• B)0.55c
• C)0.58c
• D)0.61c
• E)0.64c

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Definitions:

Utility Function

An economic term describing how different goods or services yield different levels of satisfaction or utility to a consumer.

Units

Refers to the individual or measurable components that can be sold, used, or accounted for, in various contexts such as production, inventory, or measurement standards.

Utility Function

A mathematical representation of a consumer's preference ordering over a set of goods and services, showing the satisfaction level from consumption.

Consumption Of X

The act of using up a particular resource X or the amount of X that is used.