Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 44P: Three displacement vectors of a croquet ball are shown in Figure P1.44, where |A|=20.0units,...
Related questions
Question
100%
#69, using the figure above #53.
![69.
For the vectors in the earlier figure, find (a)
(A x F ). D, (b) (Ả × F )·( Dx B), and
(c) ( A · F)(D x B).
70. (a) If A x F = Bx F
À = B ? (b) If A F = B F,
FA =
can we conclude
%3D
can
we
%3D
%3D
A = B ? (c) If
BF, can we
%3D
conclude A
à = B ?Why or why not?
nmi = 1852 m.
%3D
76. An air traffic controller notices two signals from two
planes on the radar monitor. One plane is at altitude 800
m and in a 19.2-km horizontal distance to the tower in a
direction 25° south of west. The second plane is at altitude
1100 m and its horizontal distance is 17.6 km and 20°
south of west. What is the distance between these planes?
Ā + B = Č
77.
Show
that
when
then
C² = A² + B² +2AB cos p ,
where p is the angle
%3D
6.
between vectors A and B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9274c44-0035-4e67-8979-f426ba84afc4%2F7016df92-f492-4f46-8403-172a9d9f3b82%2Fli9twrw.jpeg&w=3840&q=75)
Transcribed Image Text:69.
For the vectors in the earlier figure, find (a)
(A x F ). D, (b) (Ả × F )·( Dx B), and
(c) ( A · F)(D x B).
70. (a) If A x F = Bx F
À = B ? (b) If A F = B F,
FA =
can we conclude
%3D
can
we
%3D
%3D
A = B ? (c) If
BF, can we
%3D
conclude A
à = B ?Why or why not?
nmi = 1852 m.
%3D
76. An air traffic controller notices two signals from two
planes on the radar monitor. One plane is at altitude 800
m and in a 19.2-km horizontal distance to the tower in a
direction 25° south of west. The second plane is at altitude
1100 m and its horizontal distance is 17.6 km and 20°
south of west. What is the distance between these planes?
Ā + B = Č
77.
Show
that
when
then
C² = A² + B² +2AB cos p ,
where p is the angle
%3D
6.
between vectors A and B
![10
C = 12.0
:-
F= 20.0
D= 20.0
B = 5.0
09
A
A = 10.0
B.
53°
Figure 2.33
3. Given the vectors in the preceding figure, find vector
that solves equations (a) D + R = F and (b)
Č - 2 3 +5 R = 3 F
horizontal to the right.
Assume the +x-axis is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9274c44-0035-4e67-8979-f426ba84afc4%2F7016df92-f492-4f46-8403-172a9d9f3b82%2Fk8nu145.jpeg&w=3840&q=75)
Transcribed Image Text:10
C = 12.0
:-
F= 20.0
D= 20.0
B = 5.0
09
A
A = 10.0
B.
53°
Figure 2.33
3. Given the vectors in the preceding figure, find vector
that solves equations (a) D + R = F and (b)
Č - 2 3 +5 R = 3 F
horizontal to the right.
Assume the +x-axis is
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