An Earth Observer Sees a Spaceship at an Altitude of 920

question 66

Multiple Choice

An Earth observer sees a spaceship at an altitude of 920 m moving downward toward the Earth at a speed of 0.690c.What is the spaceship's altitude as measured by an observer in the spaceship?

• A)1270 m
• B)512 m
• C)1650 m
• D)666 m
• E)​635 m

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Definitions:

Normal Time

The amount of time typically required to complete a task or process under standard conditions, often used in planning and scheduling.

Standard Time

The amount of time allowed for the completion of a job or task based on average speed under normal conditions.

Variable Allowance

An adjustment in cost or time estimates to accommodate changes or variations that may occur in project planning or execution.

Allowance Factor

A factor or percentage added to an estimate to account for uncertain conditions, providing a margin for error or unforeseen costs.