College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question
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Problem 11.51 - Enhanced - with Feedback
A uniform, 255 N rod that is 2.00 m long carries a 225 N weight
at its right end and an unknown weight W toward the left end
(Figure 1). When W is placed 60.0 cm from the left end of the
rod, the system just balances horizontally when the fulcrum is
located 75.0 cm from the right end.
Part A
Find W
Express your answer with the appropriate units.
HHẢ
?
W = 140
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Figure
< 1 of 1>
• Part B
If W is now moved 30.0 cm to the right, how far must the fulcrum be moved to restore balance?
Express your answer with the appropriate units.
HA
225 N
Az =
Value
Units
Submit
Request Answer
Part C
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Transcribed Image Text:<Homework9
Problem 11.51 - Enhanced - with Feedback
A uniform, 255 N rod that is 2.00 m long carries a 225 N weight
at its right end and an unknown weight W toward the left end
(Figure 1). When W is placed 60.0 cm from the left end of the
rod, the system just balances horizontally when the fulcrum is
located 75.0 cm from the right end.
Part A
Find W
Express your answer with the appropriate units.
HHẢ
?
W = 140
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Figure
< 1 of 1>
• Part B
If W is now moved 30.0 cm to the right, how far must the fulcrum be moved to restore balance?
Express your answer with the appropriate units.
HA
225 N
Az =
Value
Units
Submit
Request Answer
Part C
MacBook Air
esc
80
888
DII
DO
F2
F3
も
F10
@
%23
%24
&
1
2
6
8
Q
W
E
Y
tab
A
S
F
G
H
J
K
s lock
L
C
V
く
>
M
rontrol
option
command
command
option
R

Transcribed Image Text:A uniform, 255 N rod that is 2.00 m long carries a 225 N weight
at its right end and an unknown weight W toward the left end
(Figure 1). When W is placed 60.0 cm from the left end of the
rod, the system just balances horizontally when the fulcrum is
located 75.0 cm from the right end.
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
• Part B
If W is now moved 30.0 cm to the right, how far must the fulcrum be moved to restore balance?
Express your answer with the appropriate units.
TH HẢ
Az = Value
Units
Submit
Request Answer
Figure
< 1 of 1>
Part C
If W is now moved 30.0 cm to the right, in what direction must the fulcrum be moved to restore balance?
to the left
225 N
O
to the right
Submit
Request Answe
r
Provide Feedback
MacBook Air
80
888
F4
esc
DD
F1
F2
F3
FS
F6
F7
FB
F10
!
@
%23
$
&
4
5
6
8
9
Q
W
E
R
Y
P
A
S
F
G
H
J
K
ck
C
V
B
M
rol
option
command
command
10
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