James loves using online map services to drive. On a drive to a bookshop, he drives north for 4.5 km, then 2.8 km west, and then 1.3 km south. Using the method of components find the magnitude and direction of the resultant displacement.

• A. Magnitude = 6.00 km
  Direction = 48.8°
• B. Magnitude = 6.44 km
  Direction = 154.2°
• C. Magnitude = 8.60 km
  Direction = 64.2°
• D. Magnitude = 4.25 km
  Direction = 131.2°

Answer: (D)