You see lightning flash followed 8.2 seconds later by the sound of thunder.The ambient air temperature is 12$^{\circ}$C.Approximately how far are you from the lightning?
A) 1.26 miles
B) 1.64 miles
C) 1.69 miles
D) 1.32 miles

Question

Quizplus · Accepted Answer

The speed of sound in air at 12°C is approximately 338.2 meters per second. The time delay of 8.2 seconds means the sound traveled about 2773.24 meters. Converting meters to miles (1 mile = 1609.34 meters), the distance is approximately 1.64 miles.

You See Lightning Flash Followed 8 ∘^{\circ}∘ CApproximately How Far Are You from the Lightning? A) 1

You See Lightning Flash Followed 8 $^{\circ}$ CApproximately How Far Are You from the Lightning?
A) 1