A group of hikers hears an echo 450 second after shouting
A group of hikers hears an echo 4.50 second after shouting. Find how far away is the mountain that reflected the sound wave? (Assume the speed of sound is 347.6 m/s.)
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a sound wave from a siren has an intensity of 822 wm2 at a certain point and a second sound wave from a nearby
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a group of hikers hears an echo 450 second after shouting find how far away is the mountain that reflected the sound
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one of the loudest sounds in recent history was that made by the explosion of krakatoa on 26-27 august 1883 according
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