Mathematics · Speed, Time and Distance
In a cloud, lightning and thunder are produced simultaneously. If thunder is heard by a man 7 seconds after the lightning is seen, how far is the cloud from the man? (Assume the speed of sound in air = 340 m/s)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.80 km
- 21.69 km
- 32.38 km✓
- 41.50 km
Correct answer
2.38 km
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