An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially
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Physics, Someone please help me!
A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

Physics
The femur of a human leg (mass 10 kg, length 0.9 m) is in traction, as shown in the figure below. The center of gravity of the leg is onethird of the distance from the pelvis to the bottom of the foot. Two objects, with masses m1 and m2, are hung using

Trigonometry
Mountain officials want to build a new ski lift from B to C as shown in the figure below. The distance from A to C is 1480 feet. They measure angle DAC to be 32 degrees and angle DBC to be 18 degrees. What is the distance A from to B? Round your answer to

Physics.
The figure below shows an arrangement of 15 identical disks that have been glued together in a rodlike shape of length L = 1.4500 m and (total) mass M = 135.000 g. The arrangement can rotate about a perpendicular axis through its central disk at point O.

Physics
Two massless springs (S1 and S2) are arranged such that one hangs vertically downward and the other is vertically upward, as shown in figure (a). When a 0.275kg mass is suspended from S1, it stretches by an amount Δx1 = 0.062 m, as shown in figure (b).

Physics
A block and tackle system of pulleys consisting of 5 pulleys is used to raise a load of 500 N through a height of 12m. If the total work done by the system is 7200 J. calculate the 1. Work done against friction 2. Efficiency of the system

PHYSICS HELP
The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the magnitude of the lift force is given by FL (0.021 N·s2/m2)v2 The bat can fly in a horizontal circle by "banking" its wings at

Math
Figure STUV and figure WXYZ, shown below, are similar figures. The scale factor of figure STUV to figure WXYZ is 3:1. If ST = 39 mm and SV = 51 mm, what is the length of side WZ? 13 mm 117 mm 17 mm 153 mm

Physics
The systems shown below are in equilibrium (with m = 4.80 kg and θ = 27.0°). If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. scale in

Physics
A system of pulleys is used to lift a load of 1000kg.if the efficiency of pulley system is 80%and velocity ratio is 20,find effort required to lift the load...............??

Math
17.Which roller coaster has the greatest lift height Top Thrill Dragster 18.What is the median lift height for the roller coasters lifted? Round to the nearest tenth. Not sure for this one 19.Arrange the given roller coasters from least to greatest lift

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

physics
A worker in a warehouse uses a rope passing through some pulleys to lift a heavy crate. The worker exerts a force five times less than the weight of the crate but has to move the rope four times as far as the crate moves. This situation... A) can happen

physics
Two construction workers each of mass m raise themselves on a hanging platform using pulleys as shown above. If the platform has a mass of 0.5m, the initial distance between the pulleys and the platform is d, and the workers each pull with a force f on the

More Algebra
Eve and Jason have an exercise routine that they do together three days a week. Together, they can lift 225 pounds. a) If Eve can lift 113 pounds,how many pounds can Jason lift? b). If Eve can lift 87 pounds, how many pounds can Jason lift? c) What

physics
A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

physics
a set of pulleys is used to lift a piano weighing 1,000 newtons. the piano is lifted 3 meters in 60 secounda. how much power is used?

physics
A cylinder that has a 40.0 cm radius and is 50.0 cm deep is filled with air at 20.0°C and 1.00 atm shown in figure (a). A 25.0 kg piston is now lowered into the cylinder, compressing the air trapped inside shown in figure (b). Finally, a 71.0 kg man

Physics
In exercise physiology studies, it is sometimes important to determine the location of a person's center of gravity. This can be done with the arrangement shown in the figure below. A light plank rests on two scales that read Fg1 = 440 N and Fg2 = 320 N.

math8
suppose hector dilates the rectangle shown below with the center of dilation at 0,0 and a scale factor of 2 and then translates the figure 1 unit to the left. what will be the coordinates the vertices of the similar figure that results, One point on figure

physics
The system shown below are in equilibrium with m = 2.90 kg If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. Image: imgur. com/a/GCJIL

Physics
A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load of 50N through a height of 20m If the total workdone against friction in the pulleys is equivalent to 800j Calculate I.Total workdone by the effort ii.The efficiency of

science
A general aviation aircraft, with a wing surface area of 18 square metres, flies at sea level with a speed of 180 kilometres per hour. Its lift curve is shown below. Given that lift equals weight for this aircraft and that the aircraft flies at a 8 degree

Physics
As shown in the figure below, cars #1 and #2 are sliding across a horizontal frictionless surface. The cars are equipped with a coupling arrangement similar to the one on railroad cars. Car #1 overtakes car #2 and they have a totally inelastic collision

Science
Do all pulleys change the amount of force needed to move an object? Justify your answer Explain how a pulley changes the amount of force needed to lift an object.

physics
Three blocks A, B, and C are connected by two massless strings passing over smooth pulleys as shown below, with the 3.4kg block on a smooth horizontal surface. Calculate the tension in the strings connecting A and B, and, B and C.

phy
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 N, and è = 26.6°. What are the weights w1 and w2?

AP Physics
A cord runs around two massless, frictionless pulleys; a canister with mass m=20 kg hangs from one pulley; and you exert a force F if you are to lift the cord. a) What must be the magnitude of F if you are to lift the canister at a constant speed? b) To

physics help plz thanks
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

physics
Consider the final arrangement of charged particles shown in the figure below. What is the work necessary to build such an arrangement of particles, assuming they were originally very far from one another? (Let q1 = 6.5 nC,q2 = 3.0 nC and q3 = −17.0 nC.)

Physics
The pulley system shown in the figure is used to lift a 37 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are

physics
A system of pulleys is used to lift an elevator carrying a 3,300 newton load. assuming the pulley system is friction free, approximately how far would 10,000 joules of energy lift the elevator?

Physics
www.webassign.net/sercp9/4p024alt.gif The systems shown below are in equilibrium. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless.

physics
A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

Physics
The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the magnitude of the lift force is given by FL (0.020 N·s2/m2)v2 The bat can fly in a horizontal circle by "banking" its wings at

physics
a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3 moveable, 1 fixed). given that the frictional forces are 300N, what force must he apply in order to lift the load?

physics
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 . What are the weights w1 and w2?

Physics
This is another problem that I need clarification on since no one seems to be of any help at my school, A pulley system is used to lift a 52 crate.Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to

geometry
Alice purchased 30 decorative stone square blocks to create an enclosed rectangular garden area. Each square block measures 1 foot by 1 foot, and one possible arrangement is shown. Including the arrangement shown, in how many distinct ways can Alice

physics
Two blocks with masses M1 = 3.9 kg and M2 = 5.0 kg are connected with a massless string over two massless and frictionless pulleys, as shown in the Figure. One end of the string is connected to M1 while the other end is fixed. What is the acceleration of

Physics
Two blocks lie on a triangle as shown in the figure. Block m has a mass of 5 kg and block P has a mass of 14 kg. Assume the inclines and pulleys are frictionless find the tension in the string. They lie with the string resting on the peak of a 110 degree

physics
A person bending forward to lift a load "with his back" (Figure (a)) rather than "with his knees" can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal supporting force

Physics
Two blocks hang from strings going around pulleys of different diameter that are connected, as shown in the figure. The large pulley has a radius of R = 9.0 cm and and the small pulley has a radius of r = 2.3 cm. The mass of the block that hangs from the

Physics
An airplane is flying in a horizontal circle at a speed of 482 km⁄h. The wings of the plane are tilted at 38.2° with respect to the horizontal as shown in the figure below. Find the radius of the circle in which the plane is flying. Assume that the

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

Physics
When a patient’s injured neck is healing, it is often desirable to prevent the weight of the head from pushing down on the neck. This can be accomplished with the system of pulleys shown in the figure. The pulleys are all small and extremely light in

physics
The systems shown below are in equilibrium (with m = 3.60 kg and θ = 33.0°). If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless

physics
A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

physics
A window washer uses the chair and pulley arrangement shonw in the figure to lift himself up the side of a building. The window washer's mass is 70 kg and the chair's mass is 10 kg. With what force must he pull down on the rope in order to accelerate

Physics
This is another problem that I need clarification on since no one seems to be of any help at my school, A pulley system is used to lift a 52 crate.Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to

geometry
On a piece of machinery, the centers of two pulleys are 3 feet apart, and the radius of each pulley is 6 inches. How long a belt (in feet) is needed to wrap around both pulleys?

Science
Three masses sitting on three pulleys,the masses are 5kg,9kg,8kg.the system is in equilibrium,the pulleys are frictionless & massless

Physics
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes

physics
A block and tackle pulley system is used to lift a mass of 200 kg.if the machine has a velocity ratio of 5 and efficiency of 80%.sketch the possible arrangement of the system

Physics
A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load 500n through a height of 20m if the total work done against equivalent to 800j calculate the work done by the effort

mechanics
Two planets, X and Y , travel counterclockwise in circular orbits about a star, as shown in figure below. The radii of their orbits are in the ratio 3 : 1. At some time, they are aligned as in the figure, making a straight line with the star. During the

math
two figures are shown. figure a is a square and figure b is a rectangle. the perimeter of figure a is equal to perimeter of figure __3x2_____     3x2  3x2 ___________ 3x2 ____________________       x2 ___________________ 2x+5 What is

Physical Sciences
A diagram shows a rope and pulley arrangement of a device being used to lift an 800 N object.Assume that the roped are light and inextensible and also that the pulley is light and frictionless.

Floral design
During April, a customer asks you to create an arrangement for an invalid friend who must stay at home for five more days. The invalid friend loves flowers, especially fragrant ones. The amount the customer is willing to spend on the arrangement for this

physics need help plz
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

Physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

Dynamics of Rigid Bodies
The system of blocks A and B and two pulleys C and D is assembled as shown in the figure. Neglecting friction in and the mass of the pulleys, and assuming that the whole system is initially at rest, determine the acceleration of block A. The coefficient of

Science
The system of three pulleys is in equilibrium, the pulleys have masses of 9kg ,5kg,8kg respectively. The pulleys are frictionless & massless.find the force T ?

Physics
The two pulleys having radii of 15 cm and 8 cm, respectively are connected by a belt as shown in the figure. The larger pulley rotates 25 times in 36 seconds . What is the frequency of rotation of the smaller pulley ?

Physics
A large engine with mass of 400 kg must be lifted 3 meters out of a truck for repair. A normal mechanic can lift with about 250 N of pulling force. They use a system of pulleys to do this. If we assume the engine starts on the ground, how long must the

physics
The pulley system in Figure 625 is used to lift a crate of mass m = 41 kg. Note that a chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are

Science
A block and tackle consisting of 5 pulleys is used to lift a car engine weighing 850kg. What is the Velocity

physics
A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

mechanics
Two 20kg weights are hung from light strings that pass over frictionless pulleys. The ends of the strings are connected to a small, light spring balance, S, calibrated in kg. The pulley axes are mounted on the wall of a lift in a 50storey building. What

physics
Two blocks with masses M1 = 8.0 kg and M2 = 5.4 kg are connected with a massless string over two massless and frictionless pulleys, as shown in the Figure. One end of the string is connected to M1 while the other end is fixed. What is the acceleration of

MAGNET
1. The figure shows a conducting loop of wire in the field of a magnet which is behind the loop. The South Pole of the magnet is facing the loop as shown. The North Pole is further behind and is not shown in the figure. I now lift the loop straight out of

math
Place six coins on the table in the arrangement shown in the first row below... Start like this...head tales head tales head tales Your task is to produce the second arrangement shown by flipping coins according to thsi rule: you must flip two adjacent

math
Place six coins on the table in the arrangement shown in the first row below... Start like this...head tales head tales head tales Your task is to produce the second arrangement shown by flipping coins according to thsi rule: you must flip two adjacent

math
Place six coins on the table in the arrangement shown in the first row below... Start like this...head tales head tales head tales Your task is to produce the second arrangement shown by flipping coins according to thsi rule: you must flip two adjacent

math
Place six coins on the table in the arrangement shown in the first row below... Start like this...head tales head tales head tales Your task is to produce the second arrangement shown by flipping coins according to thsi rule: you must flip two adjacent

math
Place six coins on the table in the arrangement shown in the first row below... Start like this...head tales head tales head tales Your task is to produce the second arrangement shown by flipping coins according to thsi rule: you must flip two adjacent

physics
Suppose we wish to use a 4.0 m iron bar to lift a heavy object by using it as a lever. If we place the pivot point at a distance of 0.5 m from the end of the bar that is in contact with the load and we can exert a downward force of 640 N on the other end

please help geometry
you need to find the length of a broken automitive belt. the belt ran around 2 pulleys whose centers were 11 in apart. one of the pulleys is 4" dia. and the other is 6" dia. what is the totoal length of the belt needed to connect thr pulleys?

Geometry (math)
The center of two pulleys are 27cm apart. One has the raddius of 13cm and the other has a radius of 5 cm.. Find the length of the blet that surrounds the two pulleys rounded to 2 decimal places.

physics
A coin is released inside a lift at a ht of 2m from the floor of the lift. The ht of the lift is 10 m . the lift is moving with an acceleration of 9m/s² downwards. The time after which the coin will strike with lift is: (g= 10 m/s)

Managerial Accounting
a ski company plan to add five new chai500 a day for the lift. the lifts cost 2 million and to install the lift cost another 1.3 mil.The lift will allow 300 additional skiers on the slopes but only 40 days a year will be needed. The company will sell 300

Physics
The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the magnitude of the lift force is given by FL (0.021 N·s2/m2)v2 The bat can fly in a horizontal circle by "banking" its wings at

Physics
"Two blocks lie on a triangle as shown in the figure. Block m has a mass of 8 kg and block P has a mass of 21 kg. Assume the inclines and pulleys are frictionless find the tension in the string." The two blocks are on opposite side of an isosceles triangle

AP Physics
Three blocks of masses 8.2 kg, 5.88 kg, and 2.19 kg are connected by light strings that pass over frictionless pulleys as shown in the ﬁgure. The acceleration of the 5.88 kg block is 2.18 m/s 2 to the left and the surfaces are rough. The acceleration of

physics
the coefficient of kinetic friction between the two blocks shown is 0.26. The surface of the table and the pulleys are frictionless. (b) Determine the magnitude of the acceleration of each block. Find the tension in the strings

Getting Work done with Pulleys
Wats the hidden shortcut to figure the mechanical advantage for a pulley system by not doing calculations? Is that using many pulleys at once? I really don't know. Just guessing.

statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the

statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the

physic
The vectors that are shown in the figure below. The magnitudes are F1 = 1.81f, F2 = f, and F3 = 2.00f, where f is a constant. Description of the figureOn the first quadrant the angle is 60 degree with F3 as the hypotenuse and on the second quadrant the

statics
A1 Helicopter in flight with unbalanced stores A helicopter in forward flight is shown in Figure 1. The helicopter in forward flight experiences a horizontal drag force DF . The drag force DF is assumed to pass through O. The helicopter is held up

physics
Find è and W in the figure below where w1 = 17.0 N, w2 = 31.0 N, and á = 67.5°, assuming that the arrangement is at rest.

PhysicsI would like to ask once more!
A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance â–³x BELOW the equilibrium position h (see figure A). Determine whether vertical SHM is possible for the system shown.If so, find the natural frequency. (Figure

Physics 1100
Find theta; and W in the figure below where w1 = 21.0 N, w2 = 34.0 N, and α = 64.0°, assuming that the arrangement is at rest.

SCI 275
CLASS  Please see the attached figure. How do the three factors shown in the figure interact to promote sustainable development? [img src="@7140725"] this is the figure.

engineering
. A platform with boat weighs 10,000 N. Four cables are attached to the platform as shown; the edges of the platform are always a horizontal distance of 2 m from the pulleys. As the platform rises smoothly and evenly, the length L of the cables decreases

physics
Ten bags of top soil, each weighing 150 N, are placed on a L = 2.95 m long sheet of wood. They are stacked 0.50 m from one end of the sheet of wood, as shown in Figure 827. Two people lift the sheet of wood, one at each end. Ignore the weight of the wood,

Mathematics
Abbie is selling floral arrangements. Each arrangement uses 1 vase and 10 daisies. Each vase costs Abbie $3.00. Let C be the total cost of the arrangement and d be the cost of 1 daisy. Write an equation, in slopeintercept form, that represents the total

Physics
A 50.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50 m high rise as shown in Figure 6.23. Find his final speed at the top, given that the coefficient of friction between her skis and the snow is 0.0800. (Hint: Find the distance traveled up

Physics
Two pulleys are connected by a belt that causes one pulley to rotate (via friction) as it is driven by the first pulley. The belt turns around the pulleys without slipping on either one. rA is 10.0 cm and rB is 25.0 cm. If wheel A starts from rest and