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
6%
60%
13%
20%
15
flagAustralia
5%
55%
40%
0%
20
flagPoland
9%
36%
42%
11%
2321
flagGermany
10%
35%
42%
9%
96
flagthe United States
13%
32%
37%
14%
61
flagthe United Kingdom
12%
26%
32%
28%
49
flagIndia
26%
25%
27%
19%
131
flagAustria
0%
25%
58%
16%
12
flagSwitzerland
36%
9%
36%
18%
11