...constants W and d are determined by the initial conditions, and they in turn define p and e by (39). If e< 1, the conic is an ellipse ; if e= 1, the conic is a parabola; if e>l, the conic is a hyperbola. If e = 0, the conic is a circle, but it cannot take this value as defined...

...constants ft2 and A are determined by the initial conditions, and they in turn define p and e by (39). If e < 1, the conic is an ellipse; if e = 1, the conic...is a parabola; if e > 1, the conic is a hyperbola; and if e = 0, the conic is a circle. 63. Force Varying Inversely as the Fifth Power of the Distance....

...called the directrix. The constant ratio is called the eccentricity and is usually represented by e. N If e = 1, the conic is a parabola. If e < 1, the conic is an ellipse. If e > 1, the conic is an hyperbola. 82. The equation of the parabola. — By the definition...

...positive, and may be equal to 1, less than 1, r greater than 1. If e = 1, the conic is a parabola. If e < 1, the conic is an ellipse. If e > 1, the conic is an hyperbola. 82. The equation of the parabola. — By the definition of the preceding article, the...

...initial conditions, and they in turn define p and e by (39). If e < I, the conic is an ellipse; if s = 1, the conic is a parabola; if e > 1, the conic is a byperbola; and if e = 0, the conic is a cirele. 63. Foree Varying Inversely as the Fifth Power of the...