When NASA Was Communicating with Astronauts on the Moon,the Time

question 48

Multiple Choice

When NASA was communicating with astronauts on the Moon,the time from sending on the Earth to receiving on the Moon was 1.28 s.Find the distance from Earth to the Moon.(The speed of radio waves is 3.00 × 10⁸ m/s. )

• A)240 000 km
• B)384 000 km
• C)480 000 km
• D)768 000 km

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Definitions:

Salvage Value

The estimated value that an asset will realize upon its sale at the end of its useful life.

Internal Rate

The rate of return that makes the net present value of all cash flows from a particular project equal to zero.

Payback Period

The length of time that it takes for a project to fully recover its initial cost out of the net cash inflows that it generates.

Investment

Allocation of capital or resources to assets with the expectation of generating profit or income.