Given that the traffic light has a mass of 35.0 kg, 
1 = 35 degrees, and
2 = 70 degrees, what is the magnitude of tension in the second
rope, T2?
Homework Answers
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Given that the traffic light has a mass of 35.0 kg,
1 = 35 degrees, and...
Consider a thin rope of mass m and length that hangs vertically from a fixed point...
Consider a thin rope of mass m and length that hangs vertically from a fixed point at the top. Let the position of the lower end be and the top be . Because the rope is massive the tension will vary as a function of y. Show that the wave speed for this rope is and the time required for a wave to travel the whole rope is . We were unable to transcribe this imagey=0 We were unable to...
Problem 1: A child on a bicycle has a linear momentum of magnitude P = 1151...
Problem 1:
A child on a bicycle has
a linear momentum of magnitude P = 1151 kg⋅m/s. The child
and the bicycle together have a combined mass of m = 110
kg.
33%
Part (a) Write an expression for the child's speed,
v, in terms of the variables given in the problem
statement.
v =
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α
β
θ
a
b
d
g
h
i
j
k
m
P
S
t
(
)
7
8
9
HOME
↑^
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4...
A car with mass mc = 1385 kg is traveling west through an intersection at a...
A car with mass
mc = 1385 kg is traveling west through an
intersection at a magnitude of velocity of vc =
10.5 m/s when a truck of mass mt = 1984 kg
traveling south at vt = 12.6 m/s fails to yield
and collides with the car. The vehicles become stuck together and
slide on the asphalt, which has a coefficient of friction of
μk = 0.5.
50%
Part (a) Write an expression for the velocity of the
system...
9) A beam of mass 16 kg and length 1.2 m is supported in two ways:...
9) A beam of mass 16 kg and length 1.2 m is supported in two
ways: at the wall with a hinge, and by a rope tied to its other end
at an angle θ = 34◦ , as Figure 3 shows. At the hinge the wall
exerts on the beam a force F
of unknown direction and magnitude (shown as a dashed arrow). a)
Write three equilibrium equations: for rotation around the hinge
(balancing torques), and for translation in...
Forces in equilibrium: 1) Given F1 = 1.47 N , where m1 = .150kg and (1) = 210 (degrees) Determine...
Forces in equilibrium:
1) Given F1 = 1.47 N , where m1 = .150kg and (1) = 210
(degrees)
Determine two more forces (magnitude and direction), which are
at right angles to each other, but neither of them parallel to
F(1), such that when they are applied, the system will be in
equilibrium.
2) Given m1 = .140 kg at (1) = 80
(degrees), and m2 = .180 kg at (2) = 220
(degrees)
Determine the masses required in order...
A cart of mass M= 15.0 kg is pulled by a rope at 30 degrees angle...
A cart of mass M= 15.0 kg is
pulled by a rope at 30 degrees angle relative to the
horizontal.
The coefficient of frictions is given: µs =0.20 and µk =0.10
3) A cart of mass M- 15.0 kg is pulled by a rope at 30 degrees angle relative to the horizontal The coefficient of frictions is given: μ,-0.20 and μ,-0.10 For all the 3 following parts you must show all force acting on the object. And start the problem...
b Write an expression for the tension T in the horizontal cable AB 25% Part (c)...
b Write an expression for the
tension T in the horizontal cable AB
25%
Part (c) Write an expression for the x-component
Px of the force exerted by the pivot on the
beam, in terms of T.
25%
Part (d) What is the tension in the horizontal cable, in
newtons, if the mass of the beam is 34 kg, the length of the beam
is 11 m, and the angle is 28°?
A uniform beam of length L
and mass...
DIFFERENTIAL EQUATION PROBLEM An object with a mass of 2 kg moves along the x-axis and...
DIFFERENTIAL EQUATION PROBLEM
An object with a mass of 2 kg moves along the x-axis and we will
assume that the positive direction of movement is to the right.
Only one force (in N) is present and opposes the movement. Let
be the speed of the object (in m / s) at time t. The object starts
from the origin (x = 0) with an initial speed of 75 m / s. Suppose
that the resistance force has a magnitude...
#2) A charge q,-+200pC has . mass 0400 kg and is hung from the ceiling by...
#2) A charge q,-+200pC has . mass 0400 kg and is hung from the ceiling by a light string of length 1,-080 m. A second charge o,-150 JC is directly below the first charge, and is pulled upward by its atnraction to the first charge. It is connected to the floor by a string whose length is 1,-1.50 m. The height of the ceiling is (a) What is the electric force between the two charges? (b) What is the tension...
A uniform plank of length 2.00 m and mass 35.0 kg is supported by threee ropes,...
A uniform plank of length 2.00 m and mass 35.0 kg is supported by threee ropes, as indicated by the blue vectors in the igure below Find the tension in each rope when a 705-N person is d end 0.500 m from the left magnitude of , 591 62763/2 X N magnitude of T, magnitude of1. 700 25 478 6368128 N X N 10.0 -2.00 m
Problem 1:
A child on a bicycle has
a linear momentum of magnitude P = 1151 kg⋅m/s. The child
and the bicycle together have a combined mass of m = 110
kg.
33%
Part (a) Write an expression for the child's speed,
v, in terms of the variables given in the problem
statement.
v =
|
α
β
θ
a
b
d
g
h
i
j
k
m
P
S
t
(
)
7
8
9
HOME
↑^
^↓
4...
A car with mass
mc = 1385 kg is traveling west through an
intersection at a magnitude of velocity of vc =
10.5 m/s when a truck of mass mt = 1984 kg
traveling south at vt = 12.6 m/s fails to yield
and collides with the car. The vehicles become stuck together and
slide on the asphalt, which has a coefficient of friction of
μk = 0.5.
50%
Part (a) Write an expression for the velocity of the
system...
9) A beam of mass 16 kg and length 1.2 m is supported in two
ways: at the wall with a hinge, and by a rope tied to its other end
at an angle θ = 34◦ , as Figure 3 shows. At the hinge the wall
exerts on the beam a force F
of unknown direction and magnitude (shown as a dashed arrow). a)
Write three equilibrium equations: for rotation around the hinge
(balancing torques), and for translation in...
Forces in equilibrium:
1) Given F1 = 1.47 N , where m1 = .150kg and (1) = 210
(degrees)
Determine two more forces (magnitude and direction), which are
at right angles to each other, but neither of them parallel to
F(1), such that when they are applied, the system will be in
equilibrium.
2) Given m1 = .140 kg at (1) = 80
(degrees), and m2 = .180 kg at (2) = 220
(degrees)
Determine the masses required in order...
A cart of mass M= 15.0 kg is
pulled by a rope at 30 degrees angle relative to the
horizontal.
The coefficient of frictions is given: µs =0.20 and µk =0.10
3) A cart of mass M- 15.0 kg is pulled by a rope at 30 degrees angle relative to the horizontal The coefficient of frictions is given: μ,-0.20 and μ,-0.10 For all the 3 following parts you must show all force acting on the object. And start the problem...
b Write an expression for the
tension T in the horizontal cable AB
25%
Part (c) Write an expression for the x-component
Px of the force exerted by the pivot on the
beam, in terms of T.
25%
Part (d) What is the tension in the horizontal cable, in
newtons, if the mass of the beam is 34 kg, the length of the beam
is 11 m, and the angle is 28°?
A uniform beam of length L
and mass...
DIFFERENTIAL EQUATION PROBLEM
An object with a mass of 2 kg moves along the x-axis and we will
assume that the positive direction of movement is to the right.
Only one force (in N) is present and opposes the movement. Let
be the speed of the object (in m / s) at time t. The object starts
from the origin (x = 0) with an initial speed of 75 m / s. Suppose
that the resistance force has a magnitude...
#2) A charge q,-+200pC has . mass 0400 kg and is hung from the ceiling by a light string of length 1,-080 m. A second charge o,-150 JC is directly below the first charge, and is pulled upward by its atnraction to the first charge. It is connected to the floor by a string whose length is 1,-1.50 m. The height of the ceiling is (a) What is the electric force between the two charges? (b) What is the tension...
A uniform plank of length 2.00 m and mass 35.0 kg is supported by threee ropes, as indicated by the blue vectors in the igure below Find the tension in each rope when a 705-N person is d end 0.500 m from the left magnitude of , 591 62763/2 X N magnitude of T, magnitude of1. 700 25 478 6368128 N X N 10.0 -2.00 m
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