Sound Location You and a friend live 4 miles apart (on the same east-west street) and
Chapter 10, Problem 40(choose chapter or problem)
Sound Location You and a friend live 4 miles apart (on the same east-west street) and are talking on the phone. You hear a clap of thunder from lightning in a storm, and 18 seconds later your friend hears the thunder. Find an equation that gives the possible places where the lightning could have occurred. (Assume that the coordinate system is measured in feet and that sound travels at 1100 feet per second.)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer