using System; using L=Science.Physics.GeneralPhysics; namespace Serway.Chapter09 { /// /// Example13: The Center of Mass of Three Particles /// A system consists of three particles located as shown /// in Figure 9.21a. Find the center of the system. /// r_{cm} = 0.75 i + 1.0 j /// public class Example13 { public Example13() { } private string result; public string Result { get{return result;} } public void Compute() { L.Mass[] ms = new L.Mass[3]; L.Position[] rs = new L.Position[3]; ms[0] = new L.Mass(); ms[0].kg = 1.0; ms[1] = new L.Mass(); ms[1].kg = 1.0; ms[2] = new L.Mass(); ms[2].kg = 2.0; rs[0] = new L.Position(); rs[0].X = 1.0; rs[1] = new L.Position(); rs[1].X = 2.0; rs[2] = new L.Position(); rs[2].Y = 2.0; L.CenterOfMass rcm = new L.CenterOfMass(ms, rs); result += rcm.ToString(); } } } //0.75 +/- 0 i +1 +/- 0 j +0 +/- 0 k (m)