#### Sentence Examples

• The anomaly is then the angle BFP which the radius vector makes with the major axis.
• Hence equal areas are swept over by the radius vector in equal times.
• The problem of finding a radius vector satisfying this condition is one which can be solved only by successive approximations, or tentatively.
• By Kepler's second law the radius vector, FP, sweeps over equal areas in equal times.
• The momentum of a particle is the vector obtained by multiplying the velocity by the mass in.