using System;
using L=Science.Physics.GeneralPhysics;
namespace Serway.Chapter15
{
///
/// Example02: Watch Out for Potholes!
/// A car with a mass of 1300 kg is constructed so that
/// its frame is supported by four springs. Each spring has
/// a force constant of 20000 N/m. If two people riding in
/// the car have a combined mass of 160 kg, find the frequency
/// of vibration of the car after it is driven over a pothole
/// in the road.
/// f = 1.18 Hz
///
public class Example02
{
public Example02()
{
}
private string result;
public string Result
{
get{return result;}
}
public void Compute()
{
// m a = - k x * 4
// omega^2 = 4k/m
L.Frequency f = new L.Frequency();
f.Hz = Math.Sqrt(4.0*20000.0/1460.0)/2.0/Math.PI;
result+=f.ToString();
}
}
}
//1.17811774443731 +/- 0 (Hz)