EBK PHYSICS FOR SCIENTISTS AND ENGINEER
9th Edition
ISBN: 9780100460300
Author: SERWAY
Publisher: YUZU
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Chapter 1, Problem 1.45P
(a)
To determine
The length of the unknown side.
(b)
To determine
The tangent of
(c)
To determine
The tangent of
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Students have asked these similar questions
a) what is the length of the unknown side,
b) the tangent of θ, and
c) the sine of φ?
D1.3. The three vertices of a triangle are located at A(6, −1, 2), B(–2, 3, −4),
and C(-3, 1, 5). Find: (a) RAB; (b) RAC; (c) the angle BAC at vertex A; (d) the
(vector) projection of RAB on RAC.
Ans. -8ax +4ay − 6az; −9ax +2ay + 3az; 53.6°; -5.94ax + 1.319ay + 1.979az
Two vectors A= 1î - 2j and B = 2î + 3j. Find the approximate angle between the vectors (-3A) and (2B)?
O A. 60°
О В. 30°
ОС. 75°
O D. None
O E. 120°
Chapter 1 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
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