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

Question

Quizplus · Accepted Answer

Sound travels approximately 1 mile in 5 seconds. Therefore, if 10 seconds elapsed, the lightning was about 2 miles away.

During a Thunderstorm, an Observer Notes That 10 S Elapsed