Physics, 01.10.2019 03:00, joejoefofana

Aperson with his ear to the ground, sees a huge stone strikethe concrete pavement. a moment later two sounds are heard from theimpact: one travels n the air and the other in the concrete, andthey are 2.2 s apart. how far away did the impact occur?
*the speed of sound for air is 343 m/s, for concrete˜3000.
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Aperson with his ear to the ground, sees a huge stone strikethe concrete pavement. a moment later tw...