E An aluminum block of mass my 4,05 kg and a copper block of mass m₂ 7.35 kg are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where 0-32.0°. (See the table below for the appropriate coefficients of friction). Aluminum No (a) When they are released from rest, will they start to move? OYes Copper (b) If the blocks move, determine the magnitude of their acceleration. (If the blocks do not move, enter 0.) ✓ m/s² 0 (c) If the blocks move, determine the magnitude of the tension in the string. (If the blocks do not move, enter 0.) 0 ✔N (d) If the blocks do not move, determine the sum of the magnitudes of the forces of friction acting on the blocks. (If the blocks move, enter 0.) N Coefficients of Friction Rubber on concrete Steel on steel Aluminum on strel Glass on glam Copper on need Wood on wood Wased wood on we snow Wased wood on dry snow Metal on metal (lubricated) Teflon on Teflon Ice on ice Synovial joints in humans 1 vakars are appel N 1.0 0.74 0.61 0.94 0.58 0.25-05 0.14 0.15 0.04 0.1 0.01 0.8 0.57 0.47 0.4 0.36 0.2 0.1 0.04 0.06 0.04 ons 0.005 O A I B Ⓒ 4x D
E An aluminum block of mass my 4,05 kg and a copper block of mass m₂ 7.35 kg are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where 0-32.0°. (See the table below for the appropriate coefficients of friction). Aluminum No (a) When they are released from rest, will they start to move? OYes Copper (b) If the blocks move, determine the magnitude of their acceleration. (If the blocks do not move, enter 0.) ✓ m/s² 0 (c) If the blocks move, determine the magnitude of the tension in the string. (If the blocks do not move, enter 0.) 0 ✔N (d) If the blocks do not move, determine the sum of the magnitudes of the forces of friction acting on the blocks. (If the blocks move, enter 0.) N Coefficients of Friction Rubber on concrete Steel on steel Aluminum on strel Glass on glam Copper on need Wood on wood Wased wood on we snow Wased wood on dry snow Metal on metal (lubricated) Teflon on Teflon Ice on ice Synovial joints in humans 1 vakars are appel N 1.0 0.74 0.61 0.94 0.58 0.25-05 0.14 0.15 0.04 0.1 0.01 0.8 0.57 0.47 0.4 0.36 0.2 0.1 0.04 0.06 0.04 ons 0.005 O A I B Ⓒ 4x D
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
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An aluminum block of mass my - 4.05 kg and a copper block of mass m₂ - 7.35 kg are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where 0-32.0°. (See the table below
for the appropriate coefficients of friction).
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Aluminum
(a) When they are released from rest, will they start to move?
O Yes
No
✓
(b) If the blocks move, determine the magnitude of their acceleration. (If the blocks do not move, enter 0.)
0
✔m/s²
(c) If the blocks move, determine the magnitude of the tension in the string. (If the blocks do not move, enter 0.)
0
✔N
A
(d) If the blocks do not move, determine the sum of the magnitudes of the forces of friction acting on the blocks. (If the blocks move, enter 0.)
N
الات
المال *
FI
Coefficients of Friction
Z
Rubber on concrete
Steel on steel
Aluminum on sel
Claw on gla
Copper on sel
Wood on wood
Waxed wood on we know
Waand wood on dry mo
Metal on metal (lubricated)
Teflon on Teflon
Ice on ice
Synovial joints in humans
NAB are app
Copper
CP
Inspiron 15 3000
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Transcribed Image Text:ab
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An aluminum block of mass my - 4.05 kg and a copper block of mass m₂ - 7.35 kg are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where 0-32.0°. (See the table below
for the appropriate coefficients of friction).
esc
fn
71°F
Sunny
Aluminum
(a) When they are released from rest, will they start to move?
O Yes
No
✓
(b) If the blocks move, determine the magnitude of their acceleration. (If the blocks do not move, enter 0.)
0
✔m/s²
(c) If the blocks move, determine the magnitude of the tension in the string. (If the blocks do not move, enter 0.)
0
✔N
A
(d) If the blocks do not move, determine the sum of the magnitudes of the forces of friction acting on the blocks. (If the blocks move, enter 0.)
N
الات
المال *
FI
Coefficients of Friction
Z
Rubber on concrete
Steel on steel
Aluminum on sel
Claw on gla
Copper on sel
Wood on wood
Waxed wood on we know
Waand wood on dry mo
Metal on metal (lubricated)
Teflon on Teflon
Ice on ice
Synovial joints in humans
NAB are app
Copper
CP
Inspiron 15 3000
W
S
الت
40
alt
-
3
#
X
www
P
1.0
10
0.74
D
0.61
0.94
0.58
0.25-05
0.14
JL
4
E
0.8
057
0.47
0.4
0.36
0.2
0.1
6.04
0.15
0.06
0.04
0.04
0.1
oms
0.01
0.005
des of con
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5
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