College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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solve (122) and (123)

122 problems (a),(b),(c),(d) 

2.6 km
START
4.0 km
45°
WE
S
Figure E1.22
→
->>>
1.22 For the vectors A and B
in Fig. E1.22, use a scale drawing
to find the magnitude and direction
of (a) the vector sum A + B and (b)
the vector difference A - B. Use
your answers to find the magnitude
and direction of (c) - A - B and
(d) B - A. (See also Exercise 1.29
for a different approach.)
1.23. A spelunker is surveying
a cave. She follows a passage 180
m straight west, then 210 m in a di-
rection 45° east of south, and then
280 m at 30° east of north. After a
fourth displacement, she finds her-
self back where she started. Use a scale drawing to determine the ma
nitude and direction of the fourth displacement. (See also Problem 1.
for a different approach.)
N
1 pict
D (10.0 m)
K
25.0°
y
53.0⁰
224
B (15.0 m)
30.0°
O
e the
t
C (12.0 m) bat A (8.00 m)
Section 1.8 Components of Vectors
1.24 Let 0 be the angle that the vector A makes with the
axis, measured counterclockwise from that axis. Find angle 8 fo
ts: (a) A = 2.00 m, Ay
onents:
=
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Transcribed Image Text:2.6 km START 4.0 km 45° WE S Figure E1.22 → ->>> 1.22 For the vectors A and B in Fig. E1.22, use a scale drawing to find the magnitude and direction of (a) the vector sum A + B and (b) the vector difference A - B. Use your answers to find the magnitude and direction of (c) - A - B and (d) B - A. (See also Exercise 1.29 for a different approach.) 1.23. A spelunker is surveying a cave. She follows a passage 180 m straight west, then 210 m in a di- rection 45° east of south, and then 280 m at 30° east of north. After a fourth displacement, she finds her- self back where she started. Use a scale drawing to determine the ma nitude and direction of the fourth displacement. (See also Problem 1. for a different approach.) N 1 pict D (10.0 m) K 25.0° y 53.0⁰ 224 B (15.0 m) 30.0° O e the t C (12.0 m) bat A (8.00 m) Section 1.8 Components of Vectors 1.24 Let 0 be the angle that the vector A makes with the axis, measured counterclockwise from that axis. Find angle 8 fo ts: (a) A = 2.00 m, Ay onents: =
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