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A camper stands in a valley between two parallel cliff walls. He claps his hands and notices that the echo from the nearby wall returns 0.9 s later while the echo from the farther wall returns 1.10 s later. If the air temperature is -10 C, how wide is the valley?

User Yea
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1 Answer

5 votes
5,658 ft is your answer I believe
User DXM
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