Errata for Motion AR

Student Reader, p. R4, middle:

• The components of the position of the ant should be given everywhere in "centimeters" not "meters". [EH, 06Jun04]

Student Reader, p. R9, top:

• The average velocity from t = 5.0s to t = 6.0s is +10cm/s, not −10cm/s. [AW, 14Jan04]

Many thanks to Andrew Wertz of Littlestown HS in Littlestown, PA, and Ed Haley of E.C.O.S. in Springfield, MA, who found these mistakes.