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A boy drops a rock into a well and times how long it takes for him to hear it strike the water below. If the rock takes 2.1 seconds to hit the water, how deep is the well?
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A boy drops a rock into a well and times how long it takes for him to hear it strike the water below. If the rock takes 2.1 seconds to hit the water, how deep is the well?

User Mark Spangler
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Answer:

kkikkiioomooonnioonnoooo

User Lysdexia
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