Two Spaceships,each 100 M Long in Its Own Rest Frame,approach

question 64

Multiple Choice

Two spaceships,each 100 m long in its own rest frame,approach Earth from opposite directions,each with a speed 0.50c relative to Earth.As measured by a passenger in one of the spaceships,how long is the other spaceship?

• A)50 m
• B)60 m
• C)70 m
• D)80 m
• E)90 m

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Definitions:

NPV

Net Present Value, a calculation used to assess the profitability of an investment by discounting future cash flows to their present value.

Cash Flow

The total amount of money being transferred into and out of a business, affecting the company's liquidity, operations, and financial health.

NPV

Net Present Value; a method used in capital budgeting to evaluate the profitability of an investment or project.

IRR

Stands for Internal Rate of Return, a financial metric used to estimate the profitability of potential investments.