PHYSICS 201 01
QUIZ 3
Dr. Dan Smith September 14, 1995
1. LaKeisha and Tanya start from the same point to walk in different directions. LaKeisha
walks for 2km, 20° south of west then stops. Tanya walks due west for 3km then stops.
Which vector diagram shows the distance and direction that Tanya must now walk to meet
LsKeisha?
(a) (b) (c) (d)
(e) none of the above
2. What is the correct vector equation for diagram (b) above?
(a) V3 = V1 + V2 (b) V1 =V2 + V3 (c) V2 = V1 + V3 (d) V1 + V2 + V3 = 0
(e) none of these
3. The magnitude of the vector shown is 5.0km. Its x and y components (x,y) are
(a) (3.8, 3.2)km (b) (3.2, 3.8)km (c) (-3.2, 3.8)km (d) (-3.8, -3.2)km
(e) none of these
x
y
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