from a homework Degree Level: Pre-College Question: A person drops a stone down a well and hears the echo 8.9 s later. If it takes 0.9 s for the echo to travel up the well, approximately how deep is the well? Answer: This content is for registered users only. Please login or create an account, it is free!. You don`t have permission to comment here! Report
You don`t have permission to comment here!
Report