Mathematics · Speed, Time and Distance
Two guns are fired from the same place at an interval of 9 minutes. A person approaching the place observes that 8 minutes 48 seconds have elapsed between hearing the sound of the two guns. If the velocity of sound is 330 m/s, at what speed was the person approaching that place (in km/h)?
- 136
- 233
- 327✓
- 429
Correct answer
27
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