Homework Answers
The weight of the person is balanced by the normal component of
the tension
The net forces in the vertical direction is
W - 2 T sin =
0
Where W is the weight of the person ,T is the tension in the rope ,
is angle between
the tension with the horizontal direction , here
=
200
2 T sin 20 = m g
T = mg / 2 sin 20
T = 65 kg x 9.81 m/s2 / 2 x sin 20
T = 932.18 N
Add Answer to:
A 65 kg student is walking on a slack line, a length of webbing stretched between...
A bungee jumper of mass 70 kg, ties one end of an elastic rope of length 65 m and stiffness 1.75 ...
A bungee jumper of mass 70 kg, ties one end of an elastic rope of length 65 m and stiffness 1.75 kN/m to a bridge and the other end to himself and jumps from the bridge, as shown in the figure below. Assuming the bridge to be rigid, determine the vibratory motion of the jumper about his static equilibrium positiorn. Un-stretched length of 65 m
A bungee jumper of mass 70 kg, ties one end of an elastic rope of...
what am I doing wrong for two that are wrong? The length of nylon rope from...
what am I doing wrong for two that are
wrong?
The length of nylon rope from which a mountain climber is suspended has a force constant of 1.70 x 104 N/m. (a) What is the frequency at which he bounces, given his mass plus equipment to be 84.0 kg? 2.26 Hz (b) How much would this rope stretch to break the climber's fall, if he free-falls 2.00 m before the rope runs out of slack? 44 x Can you determine...
A 75 kg person is crouching with his weight evenly distributed on both tiptoes. The forces...
A 75 kg person is crouching with his weight evenly distributed on both tiptoes. The forces on the skelet part of foot are shown in Fig. 12.9 below. In this position, the Achilles tendon experiences a force F., making an angle a = 59.2° with the horizontal. The tendon acts on the ankle a horizontal distance d= 9.66 cm from the point where foot touches the floor. The tibia acts on the foot with magnitude | F and makes an...
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...
The tangential force method involves finding the component of theapplied force that is perpendicular to the displacemen...
The tangential force method involves finding the component of
theapplied force that is perpendicular to the displacement from
thepivot point to where the force is applied. This
perpendicularcomponent of the force is called the tangential
force.
(a) What is , the magnitude of the tangential
forcethat acts on the pole due to the tension in the rope?
Express your answer in terms
of and .
When using the tangential force method, you calculate the
torqueusing the equation
,
where is...
A cube with side length of L -0.5 m and mass of 500 kg is held...
A cube with side length of L -0.5 m and mass of 500 kg is held by a rope in a tank filled with water (mass density 1000 kg/m"). If the atmospheric pressure is 10' Pa, determine: a. the magnitude and the direction of the total force acted on the top part of the cube, b. the buoyant force on the cube, c. the tension of the rope. nun in the 10-3 m Tone by the 5. A number of...
please guys this is one question with 2 parts. A student sits on a freely rotating...
please guys this is one question with 2
parts.
A student sits on a freely rotating stool holding two dumbbells, each of mass 3.05 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 1.07 m from the axis of rotation and the student rotates with an angular speed of 0.740 rad's. The moment of inertia of the student plus stool is 2.57 kg: m2 and is assumed to be constant. The student pulls the...
Question 25 of 30 > A tightrope walker is walking between two buildings holding a pole with length L = 16.0 m, and mass mp-20.0 kg. The daredevil grips the pole with each hand a distance d...
Question 25 of 30 > A tightrope walker is walking between two buildings holding a pole with length L = 16.0 m, and mass mp-20.0 kg. The daredevil grips the pole with each hand a distance d = 0.500 m from the center of the pole. A bird of mass m 575 g lands on the very end of the left-hand side of the pole Assuming the daredevil applies upward forces with the left and right hands in a direction...
To understand the two most common procedures for finding torques when the forces and displacements are all in one plan...
To understand the two most
common procedures for finding torques when the forces and
displacements are all in one plane: the moment arm method and the
tangential force method. The purpose of this problem is to give you
further practice finding torques in two-dimensional situations. In
this case it is overkill to use the full cross product definition
of the torque because the only nonzero component of the torque is
the component perpendicular to the plane containing the problem.
There...
ECE Review Worksheet 1 AP Physics Mr. Marrash 1. A space traveler weighs 980 N on...
ECE Review Worksheet 1 AP Physics Mr. Marrash 1. A space traveler weighs 980 N on Earth. What will the traveler weight on another planet whose radius is 3 times that of the Earth and whose mass is also 9 times that of the Earth. Do not use any numerical values of the universal gravitational constant G, the mass of Earth, or the radius of Earth to get your answer. 2. Two skaters, a man and a woman, are standing...
A bungee jumper of mass 70 kg, ties one end of an elastic rope of length 65 m and stiffness 1.75 kN/m to a bridge and the other end to himself and jumps from the bridge, as shown in the figure below. Assuming the bridge to be rigid, determine the vibratory motion of the jumper about his static equilibrium positiorn. Un-stretched length of 65 m
A bungee jumper of mass 70 kg, ties one end of an elastic rope of...
what am I doing wrong for two that are
wrong?
The length of nylon rope from which a mountain climber is suspended has a force constant of 1.70 x 104 N/m. (a) What is the frequency at which he bounces, given his mass plus equipment to be 84.0 kg? 2.26 Hz (b) How much would this rope stretch to break the climber's fall, if he free-falls 2.00 m before the rope runs out of slack? 44 x Can you determine...
A 75 kg person is crouching with his weight evenly distributed on both tiptoes. The forces on the skelet part of foot are shown in Fig. 12.9 below. In this position, the Achilles tendon experiences a force F., making an angle a = 59.2° with the horizontal. The tendon acts on the ankle a horizontal distance d= 9.66 cm from the point where foot touches the floor. The tibia acts on the foot with magnitude | F and makes an...
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...
The tangential force method involves finding the component of
theapplied force that is perpendicular to the displacement from
thepivot point to where the force is applied. This
perpendicularcomponent of the force is called the tangential
force.
(a) What is , the magnitude of the tangential
forcethat acts on the pole due to the tension in the rope?
Express your answer in terms
of and .
When using the tangential force method, you calculate the
torqueusing the equation
,
where is...
A cube with side length of L -0.5 m and mass of 500 kg is held by a rope in a tank filled with water (mass density 1000 kg/m"). If the atmospheric pressure is 10' Pa, determine: a. the magnitude and the direction of the total force acted on the top part of the cube, b. the buoyant force on the cube, c. the tension of the rope. nun in the 10-3 m Tone by the 5. A number of...
please guys this is one question with 2
parts.
A student sits on a freely rotating stool holding two dumbbells, each of mass 3.05 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 1.07 m from the axis of rotation and the student rotates with an angular speed of 0.740 rad's. The moment of inertia of the student plus stool is 2.57 kg: m2 and is assumed to be constant. The student pulls the...
Question 25 of 30 > A tightrope walker is walking between two buildings holding a pole with length L = 16.0 m, and mass mp-20.0 kg. The daredevil grips the pole with each hand a distance d = 0.500 m from the center of the pole. A bird of mass m 575 g lands on the very end of the left-hand side of the pole Assuming the daredevil applies upward forces with the left and right hands in a direction...
To understand the two most
common procedures for finding torques when the forces and
displacements are all in one plane: the moment arm method and the
tangential force method. The purpose of this problem is to give you
further practice finding torques in two-dimensional situations. In
this case it is overkill to use the full cross product definition
of the torque because the only nonzero component of the torque is
the component perpendicular to the plane containing the problem.
There...
ECE Review Worksheet 1 AP Physics Mr. Marrash 1. A space traveler weighs 980 N on Earth. What will the traveler weight on another planet whose radius is 3 times that of the Earth and whose mass is also 9 times that of the Earth. Do not use any numerical values of the universal gravitational constant G, the mass of Earth, or the radius of Earth to get your answer. 2. Two skaters, a man and a woman, are standing...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago