The Speed of Light Is 3

question 59

Multiple Choice

The speed of light is 3.0 × 10⁵ km/s, and it takes 1.3 s for light to travel from the Moon to Earth. From this information, what is the distance to the Moon?

• A) 390,000 km
• B) 230,000 km
• C) 3.9 km
• D) 2.3 km
• E) 4.3 × 10⁵ km

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Definitions:

Grape Pickers

Workers who manually or mechanically harvest grapes from vineyards.

Supply Curve

A graphical representation showing the relationship between the price of a good and the quantity of that good that suppliers are willing to offer for sale.

Supply

The overall quantity of a particular product or service that is accessible to buyers.

Demand

The desire and ability of consumers to purchase a good or service at a given price.