NAME: _____________________
PERIOD: __________
Calc/student #__________
Chapter 3 Review: VECTORS
1. KNOW ALL VOCAB FROM CH 3
2. An arrow is shot from a bow at an angle of 25 degrees above the horizontal
with an initial velocity of 45 m/s. Find the horizontal and vertical
components of the arrow’s initial velocity.
3. A camper walks 4.5 km northeast then 4.5 km south. Find the camper’s total
displacement. (magnitude and direction)
4. A plane flies 118 km at 15 degrees south of east, then flies 118 km at 35
degrees west of north. Find the total displacement of the plane. (magnitude
and direction)
5. Find the displacement of a fox that heads 55 degrees north of west for 10.0
m, then turns and heads west for 5.0 m.
6. Page 102 #4
7. Page 104 #4
8. Page 105 # 3-4
9. Page 109 # 3
10.Page 114 #14, 15, 22, 30
11.Page 115 # 34
12.
Page 116 # 51
13. Review drawing parallelgrams to show displacement of vectors.
ex: 2 km at 50 degrees North of West .
10 km at 10 degrees south of west.
NAME: _____________________
PERIOD: __________
Calc/student #__________
Answers to review:
1. Bold terms in book (read all of ch 3)
2. 41m/s, 19 m/s
3. 3.5 km @ 22 degrees S of E
4. 81 km @ 55 degrees N of E
5. 13.5 m @ 37 degrees N of W
6. 5.6 m
7. 6.2 m/s
8. 319 m; 104.8 m/s @ 17.4 degrees below horizontal
9. 3.9 m/s @ 40 degrees N of E
10. (14) Yes, the second component could be nonzero.
(15) no, vector is hypotenuse which is longer than the components that make up the vector
(27) a. 5 blocks @ 53 degrees N of E
b. 13 blocks
(30) both hit at the same time
11. (34) 45.1 m/s
(35) a. 2.77 x 105 m
b. 284s
12. (51) a. 23.2 degrees upstream from straight across
b. 8.72 m/s across the river