During a Thunderstorm, an Observer Notes That 10 S Elapsed

question 30

Multiple Choice

During a thunderstorm, an observer notes that 10 s elapsed between the lightning flash and the sound of the thunder. What is the approximate distance, in miles, from the observer to the lightning?

• A) 10 mi
• B) 50 mi
• C) 2 mi
• D) 100 mi

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Definitions:

Radioactive Decay

The process by which an unstable atomic nucleus loses energy by emitting radiation.

Heat

The transfer of thermal energy from high-temperature to low-temperature objects.

Earth's Crust

The outermost layer of the Earth, consisting of solid rocks, and is subdivided into the continental and oceanic crust.

Surface Environments

The various natural settings on the Earth's exterior, including oceans, forests, deserts, and glaciers, where unique geological processes can occur.