Mathematics · Speed, Time and Distance
A person burst a firecracker in front of a cliff and heard its echo 5 s after it burst. If the speed of sound is 340 m/s, the distance of the cliff from the person is close to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1850 m✓
- 285 m
- 3170 m
- 41700 m
Correct answer
850 m
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