using System; using L=Science.Physics.GeneralPhysics; namespace Serway.Chapter09 { /// /// Example19: A Rocket in Space /// A rocket moving in free in free space has a speed /// of 3.0 \times 10^3 m/s relative to the Earth. Its engines are /// turned on, and fuel is ejected in a direction opposite /// the rocket's motion at a speed 0f 5.0 \times 10^3 m/s /// relative to the rocket. /// (A) What is the speed of the rocket relative to the /// Earth once the rocket's mass is reduced to half its /// mass before ignition? /// v_f = 6.5 \times 10^3 m/s /// (B) What is the thrust on the rocket if it burns fuel /// at the rate of 50 kg/s? /// Thrust = 2.5 \times 10^5 N /// public class Example19 { public Example19() { } private string result; public string Result { get{return result;} } public void Compute() { result = "Read the book!"; } } }