using System; using L=Science.Physics.GeneralPhysics; namespace Serway.Chapter39 { /// /// Example04: The Pole-in the-Barn Paradox /// The twin paradox, discussed earlier, is a classic "paradox" /// in relativity. Another classic "paradox" is this: Suppose a /// runner moving at 0.75c carries a horizontal pole 15 m long /// toward a barn that is 10 m long. The barn has front and rear /// doors. An observer on the ground can instantly and /// simultaneously open and close the two doors by remote /// control. When the runner and the pole are inside the barn, /// the ground observer closes and then opens both captured /// inside the barn and then proceed to exit the barn from /// the back door. Do both the runner and the ground observer /// agree that the runner makes it safely through the barn? /// public class Example04 { public Example04() { } private string result; public string Result { get{return result;} } public void Compute() { result = "Read the book!"; } } }