using System; using L=Science.Physics.GeneralPhysics; namespace Serway.Chapter20 { /// /// Example05: Boiling Liquid Helium /// Liquid helium has a very low boiling point, 4.2 K, and /// a very low latent heat of vaporization, 2.09 \times 10^4 J/kg. /// If energy is transferred to a container of boiling liquid /// helium from an immersed electric heater at a rate of 10.0 W, /// how long does it take to boil away 1.00 kg of the liquid? /// \Delta t = 2.09 \times 10^3 sec = 35 min. /// public class Example05 { public Example05() { } private string result; public string Result { get{return result;} } public void Compute() { L.Mass m = new L.Mass(); m.kg = 1.0; L.LatentHeat lh = new L.LatentHeat(); lh.JPERkg = 2.09E4; L.Heat Q = new L.Heat(m,lh); L.Power P = new L.Power(); P.W = 10.0; double t = Q.J / P.W; result+=t.ToString(); } } } //2090