How far away did the lightning strike if it took 3 seconds to hear the thunder?

approx. 0.3 km
approx. 1 km
approx. 3 km
approx. 9 km
Sound travels through air at 331.2 meters per second, so after 3 seconds it would travel approximately 1 kilometer.
Ninjai
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Very interesting!
reach: rather globallightphysicssoundweather

Answers by country

approx. 0.3 km
approx. 1 km
approx. 3 km
approx. 9 km
answers
flagGreece
7%
57%
14%
21%
14
flagAustralia
5%
55%
38%
0%
18
flagPoland
9%
36%
42%
11%
2143
flagGermany
10%
33%
41%
12%
74
flagthe United States
12%
31%
38%
14%
54
flagAustria
0%
30%
50%
20%
10
flagIndia
23%
24%
28%
21%
114
flagthe United Kingdom
12%
24%
31%
31%
41
flagSwitzerland
30%
10%
40%
20%
10