using System;

namespace Science.Physics.GeneralPhysics
{
	/// <summary>
	/// Impulse
	/// </summary>
	public class Impulse : Vector
	{
		public Impulse()
		{
		}
		public Impulse(Momentum pi, Momentum pf)
		{
			this.X = pf.X - pi.X;
			this.Y = pf.Y - pi.Y;
			this.Z = pf.Z - pi.Z;
			
		}
		private Time time;
		private Force force = new Force();
		public Time ImpactTime
		{
			get{return time;}
			set{time=value;}
	    }
		public Force AverageForce
		{
			get
			{
				force.X = this.X/time.s; 
				force.Y = this.Y/time.s;
				force.Z = this.Z/time.s;
				return force;
			}
		}
		public double kgmPERs
		{
			get{return this.Norm;}
		}
        public override string ToString()
        {
            return base.ToString() + "(kgm/s)";
        }
	}
}