Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 3, Problem 6P
In Fig. 3-27, a heavy piece of machinery is raised by sliding it a distance d = 12.5 m along a plank oriented at angle θ = 20.0° to the horizontal. How far is it moved (a) vertically and (b) horizontally?
Figure 3-27 Problem 6.
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3.00 m,
37P The three vectors in Fig. 3-31 have magnitudes a =
b = 4.00 m, and c =
10.0 m. What are (a) the x component and
(b) the y component of ā; (c) the
x component and (d) the y com-
ponent of b; and (e) the x com-
ponent and (f) the y component
of ĉ? If & = pā + qb, what are
the values of (g) p and (h) q? ilw
30°
a
Fig. 3-31 Problem 37.
y
B (B=26.5)
56.0°
A (A = 44.0)
28.0°
C(C= 31.0)
x
15. (II) For the vectors shown in Fig. 3-41, determine
(a) B-2A, (b) 2A - 3B + 2C.
FIGURE 3-33
e
Problem 7.
west of north (Fig. 3–34).
(a) Find the components
of the velocity vector
in the northerly
and westerly direc- (835 km/h)
tions. (b) How far
north and how far
west has the plane
traveled after 1.75 h?
41.5
W
FIGURE 3-34
Chapter 3 Solutions
Fundamentals of Physics Extended
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