org.opensourcephysics.sip.ch02
Class FallingBall

java.lang.Object
  org.opensourcephysics.sip.ch02.FallingBall

public class FallingBall
extends java.lang.Object

FallingBall models a falling ball using the Euler algorithm.

Constructor Summary

FallingBall()
Constructs a FallingBall at x=0 with v=0;

Method Summary

double	analyticPosition(double y0, double v0) Computes the position of the ball using the analytic solution of the equation of motion.
double	analyticVelocity(double v0) Computes the velocity of the ball using the analytic solution of the equation of motion.
void	step() Steps (advances) the postion of the ball using the Euler algorithm.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FallingBall

public FallingBall()

Constructs a FallingBall at x=0 with v=0;

Method Detail

step

public void step()

Steps (advances) the postion of the ball using the Euler algorithm.

analyticPosition

public double analyticPosition(double y0,
                               double v0)

Computes the position of the ball using the analytic solution of the equation of motion.

Parameters:

y0 - double

v0 - double

Returns:

double

analyticVelocity

public double analyticVelocity(double v0)

Computes the velocity of the ball using the analytic solution of the equation of motion.

Parameters:

v0 - double

Returns:

double