39. Let "." represent the scalar product and "x" the vector prod- uct. Which of the following operations gives the magnitude of the projection of vector a on vector 5? A. ax 6 151 B. axb C. a.b D. a+b E. ä. 1.0 151 40. A train travels at a speed of 144 km/h, Its wheels por

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
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 26P
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39. Let "." represent the scalar product and "x" the vector prod-
uct. Which of the following operations gives the magnitude
of the projection of vector a on vector 5?
T
G
9
F5
A. ax
B. axb
C. a.b
6
151
D. a+b
6
&
E. ä..
40. A train travels at a speed of 144 km/h. Its wheels per-
Y
H
6
151
C
F6
7
U
F7
(
8
DII
F8
)
9
F9
O
O II
=
F10
P
?
I
v
F11
é
A
Transcribed Image Text:% 5 39. Let "." represent the scalar product and "x" the vector prod- uct. Which of the following operations gives the magnitude of the projection of vector a on vector 5? T G 9 F5 A. ax B. axb C. a.b 6 151 D. a+b 6 & E. ä.. 40. A train travels at a speed of 144 km/h. Its wheels per- Y H 6 151 C F6 7 U F7 ( 8 DII F8 ) 9 F9 O O II = F10 P ? I v F11 é A
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