using System; using L=Science.Physics.GeneralPhysics; namespace Serway.Chapter09 { /// /// Example09: Slowing Down Neutrons by Collisions /// In a nuclear reactor, neutrons are produced when an atom /// splits in a process called fission. These neutrons are /// moving at about 10^7 m/s and must be slowed down to /// about 10^3 m/s before they take part in another fission event. /// They are slowed down by passing them through a solid or /// liquid material called a moderator. The slowing-down /// process involves elastic collisions. Show that a neutron /// can lose most of its kinetic energy if it collides /// elastically with a moderator containing light nuclei, /// such as deuterium (in "heavy water", D_2O) or /// carbon (in graphite). /// public class Example09 { public Example09() { } private string result; public string Result { get{return result;} } public void Compute() { result = "Read the book!"; } } }