ringMass(outerRadius, innerRadius, x2 - x1, density));
}
+ protected static final double ringVolume( double outerRadius, double innerRadius, double length ) {
+ return ringMass( outerRadius, innerRadius, length, 1.0 );
+ }
+
protected static final double ringMass(double outerRadius, double innerRadius,
double length, double density) {
return Math.PI * (MathUtil.pow2(outerRadius) - MathUtil.pow2(innerRadius)) *