EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Chapter 3, Problem 59P
(II) Suppose the kick in Example 3-7 is attempted 36.0m from the goalposts, whose crossbar is 3.00 m above the ground. If the football is directed perfectly between the goalposts, will it pass over the bar and be a field goal? Show why or why not. If not. from what horizontal distance must this kick be made if it is to score?
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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.
A rock is kicked horizontally at 15 m/s from a hill with a
45° slope (Fig. 3–58). How long does it take for the rock to
hit the ground?
15 m/s
45°
FIGURE 3-58 Problem 72.
(II) Three vectors are shown in Fig. 3–35. Their magnitudes
are given in arbitrary units. Determine the sum of the three
vectors. Give the resultant in terms of (a) components,
(b) magnitude and angle with the +x axis.
y
à (A = 44.0)
28.0°
56.0%
FIGURE 3-35
Č (C = 31.0)
Problems 9, 10, 11, 12, and 13.
Vector magnitudes are given
in arbitrary units.
В (В %3 26.5)
Chapter 3 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
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