Tuesday
June 28, 2016

Search: 2 masses, pulley on a frictionless incline

Number of results: 5,868

Mechanics
Two blocks with masses m1 = kg and m2 = kg are connected by a string that hangs over a pulley of mass M = kg and radius R = m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the speed of m2 after it has fallen by m. ...
December 3, 2011 by Costa

physics
In the frictionless apparatus m1=1.7kg a)What is m2 if both masses are at rest? b) How about if both masses are moving at constant velocity?
April 11, 2010 by kanesha

physics
A skier is gliding along at on horizontal, frictionless snow. He suddenly starts down a incline. His speed at the bottom is . What is the length of the incline? How long does it take him to reach the bottom?
October 6, 2010 by Alex

PHYSICS
A skier is gliding along at on horizontal, frictionless snow. He suddenly starts down a incline. His speed at the bottom is . What is the length of the incline? How long does it take him to reach the bottom?
October 7, 2010 by Alex

Physics
An Atwood's machine consists of masses m1 and m2, and a pulley of negligible mass and friction. Starting from rest, the speed of the two masses is 3.80 m/s at the end of 3.16 s. At that time, the kinetic energy of the system is 77.0 J and each mass has moved a distance of 6.00...
February 24, 2011 by devin

physics
1. A ball moving horizontally clears a net 2 meters high. What maximum speed can it have if it is to fall within 5 meters of the net? 2.A pulley system lifts a load of 800 Newtons, 20 centimeters while the rope pulling it moves 100 cm. a. How much force must be applied to lift...
October 18, 2011 by mimi

physics
In the (Figure 1) the coefficient of static friction between mass mA and the table is 0.42, whereas the coefficient of kinetic friction is 0.17. Ignore masses of the cord and the (frictionless) pulley. What minimum value of mA will keep the system from starting to move? What ...
September 10, 2015 by Allie

Physics
The spring shown in the figure is compressed 59cm and used to launch a 100 kg physics student. The track is frictionless until it starts up the incline. The student's coefficient of kinetic friction on the 30∘ incline is 0.14 . k= 80,000 N/m m=100 kg uk= .14 DeltaX= 59 ...
November 8, 2014 by Dib

physics
Two blocks of masses is m and 2m are held in the equilibrium on a frictionless incline. In terms of m and x, find the magnitude of the tension t1 in the upper cord and the magnitude of the tension t2 in the lower cord connecting two blocks.
August 11, 2015 by Maria

Physics
A skier is gliding along at 5.0{\rm m/s} on horizontal, frictionless snow. He suddenly starts down a 15{\rm ^{\circ}} incline. His speed at the bottom is 15{\rm m/s} . What is the length of the incline? How long does it take him to reach the bottom?
October 15, 2012 by Denika

physics
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
November 24, 2013 by Nickoli

Physics
In the figure below, two blocks are connected over a pulley. The mass of block A is 12 kg, and the coefficient of kinetic friction between A and the incline is 0.22. Angle θ is 30°. Block A slides down the incline at constant speed. What is the mass of block B?
February 21, 2011 by Ben

Physics help pleaseeee
A horizontal spring with a spring constant of 200.0 N/m is compressed 25.0 cm and used to launch a 3.00 kg block across a frictionless surface. After the block travels some distance, the block goes up a 32 degree incline that has a coefficient of friction of 0.25 between the ...
November 16, 2011 by Me

Physics Help Please
A horizontal spring with a spring constant of 200.0 N/m is compressed 25.0 cm and used to launch a 3.00 kg block across a frictionless surface. After the block travels some distance, the block goes up a 32 degree incline that has a coefficient of friction of 0.25 between the ...
November 17, 2011 by Anonymous

Physics
A skier is gliding along at 5.0m/s on horizontal, frictionless snow. He suddenly starts down a 13 degrees incline. His speed at the bottom is 12m/s. What is the length of the incline? How long does it take him to reach the bottom?
October 22, 2010 by Jennifer

Physics
A skier is gliding along at 4.7m/s on horizontal, frictionless snow. He suddenly starts down a 10∘ incline. His speed at the bottom is 15m/s . What is the length of the incline? How long does it take him to reach the bottom?
September 27, 2013 by Senu

Phsyics
A skier is gliding along at 2.5m/s on horizontal, frictionless snow. He suddenly starts down a 10∘ incline. His speed at the bottom is 13m/s . What is the length of the incline? How long does it take him to reach the bottom?
January 29, 2015 by John

please help me!! physics
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
November 24, 2013 by Nickoli

physics
[20 pts] A 2.00 kg block is pushed against a spring with negligible mass and force constant k = 400 N/m, compressing it 0.220 m. When the block is released, it moves along a frictionless, horizontal surface and then up a frictionless incline with slope 37 degrees. (a) What is ...
August 19, 2010 by joy

physics ( please help me)
A 2.00kg block is pushed against a spring with force constant k=400N(m^-1), compressing it 0.180m. The block is then released and moves along a frictionless horizontal surface and then up frictionless incline with slope angle 37.0degrees. a. What is the speed of the block as ...
February 23, 2012 by taylor

Physics
Two particles of masses 6kg and 3kg are attached to the two ends of an inextensible string passing over a pulley.the string is kept taut and the masses are released.. Calculate the common velocity of the particle and the distancetravelled after 5s
February 8, 2013 by Shazra

Physics
A hanging mass, M1 = 0.78 kg, is attached by a light string that runs over a frictionless pulley to a mass M2 = 1.48 kg that is initially at rest on a frictionless table. Find the magnitude of the acceleration, a, of M2 in m/s^2.
May 24, 2012 by James

physics
A frictionless plane is 15m long and inclined at 39.8 degrees. A sled starts at the bottom with an initial speed of 6.46m/s up the incline. When it reaches the point at which it momentarily stops, a second sled is released from the top of this incline with an initial speed vi...
December 29, 2010 by sam

cpcc
A frictionless plane is 10.0 m long and inclined at 33.0°. A sled starts at the bottom with an initial speed of 4.30 m/s up the incline. When the sled reaches the point at which it momentarily stops, a second sled is released from the top of the incline with an initial speed ...
September 27, 2010 by thomas

BK
If the incline is 25 degrees and a box that is resting on the frictionless incline 50 kg, what is the box acceleration
December 15, 2010 by Lili

maths,science, physics
A mass of 2kg resting on a smooth level table is connected by a light in extensible string passing over a frictionless pulley to a suspended 3kg mass (imagine as shown on the diagram).Find: I.The tension in the string. II. The magnitude of the acceleration of the two masses. ...
June 5, 2016 by Oxy

PHYSICS
A skier is gliding along at 2.0 m/s on horizontal, frictionless snow. He suddenly starts down a 10 ∘ incline. His speed at the bottom is 15 m/s . a).What is the length of the incline? b).How long does it take him to reach the bottom? (Please show work)
October 13, 2015 by Meg

Physics
Hi, I've been having issues with solving this problem. Could anyone help? Two blocks, of masses M = 2.0 kg and 2M are connected to a spring of spring constant k = 215 N/m that has one end fixed, as shown in the figure below. The horizontal surface and the pulley are ...
March 21, 2010 by Jack

physics
A small block with mass 0.200 kg is released from rest at the top of a frictionless incline. The block travels a distance 0.440 m down the incline in 2.00 s. The 0.200 kg block is replaced by a 0.400 kg block. If the 0.400 kg block is released from rest at the top of the ...
February 2, 2015 by Dontrielle

physics
Two blocks with masses m1 = 1.10 kg and m2 = 3.10 kg are connected by a massless string, as shown in the Figure (the figure shows m1 on top of a box and m2 hanging off the side of the box). They are released from rest. The coefficent of kinetic friction between the upper block...
February 28, 2012 by meyer

physics
Two blocks with masses m1 = 1.10 kg and m2 = 3.10 kg are connected by a massless string, as shown in the Figure (the figure shows m1 on top of a box and m2 hanging off the side of the box). They are released from rest. The coefficent of kinetic friction between the upper block...
February 28, 2012 by meyer

physics urgent
I need help with this problem. I know the answer is (2.1630342940) but I have no idea how to get there. I know i need to sum the forces for each. Block m1( 6 kg ), lies on an incline plane with a coefficient of kinetic friction of 0.15. m1 is connected to mass m2 by a massless...
October 3, 2014 by jessica

Physics
A uniform spherical shell of mass M = 19.7 kg and radius R = 1.62 m rotates about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 1.02 kg m2 and radius r = 0.63 m, and is attached to a ...
June 2, 2012 by Rhi

physics
A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After sliding 84 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k = 33 N/m). (a) What is the maximum ...
February 28, 2012 by Angel

physics
A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After sliding 84 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k = 33 N/m). (a) What is the maximum ...
February 29, 2012 by Angel

Physics
Review problem. A block of mass m = 2.00 kg is released from rest at h = 0.500 m above the surface of a table, at the top of a theta = 30.0 incline as shown in Figure 3. The frictionless incline is fixed on a table of height H = 2.00 m. (a) Determine the acceleration of the ...
February 9, 2016 by Edge

physics
Find the acceleration (mls^2) of the masses, given that m1= 1.0kg, m2= 2.0kg and m3= 3.0kg . Assume the table is frictionless and the masses move freely.
November 11, 2010 by jay

physics
Question Part Points Submissions Used 1 2 3 4 5 –/5 –/5 0/5 –/5 2/2 0/10 0/10 1/10 0/10 2/10 Total 2/22 A block of mass m = 2.00 kg is released from rest at h = 0.400 m from the surface of a table, at the top of a θ = 35.0° incline as shown below. The frictionless incline...
October 19, 2011 by carlton

Physics
A mass of m1 = 6.00 kg is sitting on an inclined plane, which meets the horizantal at an angle of 22.0, which has a coefficient of sliding friction of 0.290, which is 3.50 m = L. a string is attached to m1, it is strung over a pulley, and attached to mass m2 = 7.0kg which is ...
September 30, 2012 by Adrian

Physics
In an Atwood machine, one block has a mass of M1 = 520 g and the other has a mass of M2 = 320 g. The frictionless pulley has a radius of 4.6 cm. When released from rest, the heavier block moves down 51 cm in 1.00 s (no slippage). What is the tension T1? Find the pulley's ...
November 5, 2011 by Morgan

Physics
In an Atwood machine, one block has a mass of M1 = 520 g and the other has a mass of M2 = 320 g. The frictionless pulley has a radius of 4.6 cm. When released from rest, the heavier block moves down 51 cm in 1.00 s (no slippage). What is the tension T1? Find the pulley's ...
November 5, 2011 by Spencer

Physics
Two objects are connected by a massless string, as shown in the figure below. The incline and pulley are frictionless. (a) Find the acceleration of the objects. (Assume that positive acceleration is to the right for m1 and downward for m2. Answer using m1 for m1, m2 for m2, g ...
July 8, 2015 by Anonymous

physics
A uniform solid sphere rolls down an incline. (a) What must be the incline angle if the linear acceleration of the center of the sphere is to have a magnitude of 0.20g? 1° (b) If a frictionless block were to slide down the incline at that angle, would its acceleration ...
January 5, 2011 by Joey

PHYS 101
A block of mass m = 1.70kg is released from rest h = 0.485m from the surface of a table, at the top of a θ = 27.4° incline as shown in the figure below. I got a few of the questions a)The frictionless incline is fixed on a table of height H = 1.98m. Determine the ...
September 29, 2015 by Eman

physics
The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
March 24, 2013 by Nicole

physics
The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
March 24, 2013 by Nicole

physics
The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
March 24, 2013 by Nicole

physics
The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
March 24, 2013 by Nicole

physics
The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
March 24, 2013 by Nicole

physics
The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...
March 24, 2013 by Nicole

Physics
Blocks of mass m1 and m2 are connected by a massless string that passes over a frictionless pulley. Mass m1 slides on a frictionless surface. Mass m2 is released while the blocks are at rest. The pulley is a solid disk with a mass mp and a radius R. Use conservation of energy ...
November 24, 2008 by Elizabeth

physics
The system shown below consists of a block of mass M = 4.4 kg resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging block of mass m = 1.9 kg. The pulley is a uniform ...
March 16, 2012 by Nick

PLEASE HELP ME SOLVE !!!!!!!!
A mass of 11 kg is placed on a frictionless incline which is inclined at an angle of 69 degrees above the horizontal. It is held in place by a rope which is attached to a wall at the top of the incline. The rope is angled 13 degrees above the direction parallel to the incline...
October 6, 2011 by Katie

Physics
An 8.00g bullet is fired at 220m/s into a 250g wooden block that is initially at rest. The bullet remains in the block and after the collision the two slide up a 30 degree incline. a) Solve for the velocity of the bullet block after the collision. b) Determine the distance ...
November 23, 2014 by Nicole

Physics
A block of mass 3.1 kg hangs vertically from a frictionless pulley of mass 5.9 kg and radius 14 cm. Treat the pulley as a disk. Find: a) the acceleration of the block; b) the tension in the rope; c) the speed of the block after it has fallen 55 cm, assuming it started at rest:
November 28, 2011 by warrren

Science
A block of mass 3.1 kg hangs vertically from a frictionless pulley of mass 5.9 kg and radius 14 cm. Treat the pulley as a disk. Find: a) the acceleration of the block; b) the tension in the rope; c) the speed of the block after it has fallen 55 cm, assuming it started at rest:
November 30, 2011 by John

Physics
A 2000kg car begins from rest and rolls 50.0m down a frictionless 10 degrees incline. If there is a horizontal spring at the end of the incline, what spring constant is required to stop the car in a distance of 1.00m?
June 14, 2011 by Joshua

Physics
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of a horizontal table ...
March 6, 2013 by Heidi

Physics
A massless string runs around two massless, frictionless pulleys, where one pulley is attached to the ceiling, and the other is suspended with a mass m. An object with mass m = 17 kg hangs from one pulley. A force F is exerted on the free end of the string to lift the object ...
November 17, 2009 by Nikita

physics
In the Atwood machine shown below, m1 = 2.00 kg and m2 = 6.00 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push that sets it into motion at ...
October 17, 2011 by carlton

PHYSICS
Which machines has more mechanical advantage pulley or incline plane? I asked this question before but did not quite understand the answers that were given to me. I think that the incline plane has more mechanical advantage in a friction less environment.
June 28, 2011 by Jordan

physics
Two objects (41.0 and 20.8 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find the acceleration of the objects and the tension in the string.
October 7, 2011 by Anonymous

physics
Two objects (39.0 and 21.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.
October 3, 2012 by Sally

physics
Two objects (52.0 and 20.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.
July 1, 2013 by brando

physics
Two objects (53.0 and 16.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.
September 23, 2014 by chidera

physics please help :/
A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After sliding 84 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k = 33 N/m). (a) What is the maximum ...
March 1, 2012 by Angel

physics
An 849 g mass is attached to a pulley and a 9 N weight is attached to a thin massless cord, as shown below. .5 849 g 9 N T What is the tension T? The pulley is massless and frictionless. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N
October 25, 2012 by Anonymous

Physics
A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
June 2, 2014 by Anonymous

Physics
A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
June 3, 2014 by Anonymous

Physics
Two masses, mass A (1.9 kg) and B (3.3 kg) are hung on either side of a pulley. The masses each have an initial speed of 0.8 m/s, with mass B moving up. How high, in m, does mass B move after being released at this initial speed?
April 21, 2016 by Sahar

Physics/mats
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of a horizontal table ...
March 7, 2013 by HP

physics
A 47 N box is pulled along a frictionless horizontal surface by a 25 N weight hanging from a cord on a frictionless pulley? What is the acceleration of the system (box and the weight)?
December 1, 2011 by dw about it

Physics
A block slides down a frictionless plane having an inclination of 18.9deg. If the block starts from rest at the top and the length of this incline is 2.21m, find the acceleration of the block. b). What is the block's speed when it reaches the bottom of the incline?
October 28, 2012 by joane

physics
To push a 25.0kg crate up a frictionless surface incline angled at 25 degrees to the horizontal, a worker exerts a force of magnitude 209N parallel to the incline. As the crate slides 1.50m, how much work is done on they crate by (a) the worker's applied force, (b) the ...
November 2, 2010 by Lyss

physics
A 16 lb block rests on a horizontal frictionless surface. A cord attached to the block, running horizontally, passes over a pulley whose diameter is 1 in, to a hanging block weighing 16 lb. The system is released from rest, and the blocks are observed to move 7.6 ft in 4 s. ...
May 6, 2013 by Science

Science
Three masses sitting on three pulleys,the masses are 5kg,9kg,8kg.the system is in equilibrium,the pulleys are frictionless & massless
October 14, 2013 by Samar

MECHANICS NEED HELP ASAP PLEASE !!!
A block of mass 3.8 kg hangs vertically from a frictionless pulley of mass 5.9 kg and radius 20 cm. Treat the pulley as a disk. Find: a) the acceleration of the block; b) the tension in the rope; c) the speed of the block after it has fallen 60 cm, assuming it started at rest:
December 1, 2013 by shek

physics
A uniform spherical shell of mass M = 8.00 kg and radius R = 0.550 m can rotate about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 0.130 kg·m2 and radius r = 0.140 m, and is attached ...
February 24, 2011 by jr

physics
a mass is released from rest from a height of 4m. it slides down a frictionless ramp then along a 20 degree incline section of rough track. how far does it slide along the incline before coming to rest? friction coeficient= .2 ? help! thanks!
June 8, 2009 by mary

phyics help nedded
In the figure below, three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on its axle and negligible mass. The masses are mA = 24.0 kg, mB = 40.0 kg, mC = 30.0 kg. (a) When the assembly is released from rest, what is the ...
October 19, 2012 by some one

Physics
a 2 kg mass and a 3 kg mass are attached to a lightweight cord that passes over a frictionless pully. the hanging masses are left free to move. a. in what direction will the smaller masses move? b.what will be its acceleration
December 5, 2012 by chris

physics
In an Atwood machine m1 = 2.00 kg and m2 = 6.50 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push that sets it into motion at vi = 2.20 m/s ...
October 21, 2009 by blair

Physics
Two blocks are connected by a light string passing over a pulley. The inclined surfaces are frictionless, and the effects of the pulley can be ignored. The value of m1 = m2 = 1.0 kg and θ2 = 43.4 degrees. If the blocks accelerate to the right with acceleration a = 0.280 m...
February 23, 2010 by Katie

Physics
I have posted the same questions over and over and received no help. Will someone please help me? A horizontal spring with a spring constant of 200.0 N/m is compressed 25.0 cm and used to launch a 3.00 kg block across a frictionless surface. After the block travels some ...
November 17, 2011 by Helppp

College Physics
A simple Atwood’s machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 6.7 m/s at the end of 6.1 s. At that time, the kinetic energy of the system is 85 J and each mass has moved a distance of 20.435 m Find the value of ...
November 1, 2011 by Loreal

Physics
An object of mass M = 884 g lies on a table. It is free to move along a horizontal, frictionless surface. This object is connected to a second object that hangs along the slide of the table by a massless string that runs over a pulley and connects both masses. This object has ...
October 14, 2009 by Nala

physics
A bullet of mass m= 0.0290 kg is fired along an incline and imbeds itself quickly into a block of wood of mass M= 1.55 kg. The block and bullet then slide up the incline, assumed frictionless, and rise a height H= 1.65 m before stopping. Calculate the speed of the bullet just...
February 28, 2008 by rory

Physics
I've asked a similar qustion earlier and now I think I have drawn the correct free body diagram and go about solving the problem. The only thing is I do not know how to solve it. a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a ...
July 14, 2009 by Physics

physics
Solid A of mass 50 kg resting on a smooth 45º incline is maintained in equilibrium by means of the light string passing over the pulley and holding at its other end a solid B of mass m. Make the inventory of the forces acting on A. Determine graphically the magnitude of the ...
January 14, 2016 by angy

Physic
A block (mass 2.4 kg) is hanging from a massless cord that is wrapped around a pulley -3 2 (moment of inertia of the pulley = 1.3 x 10 kg·m ), as the drawing shows. Initially the pulley is prevented from rotating and the block is stationary. Then, the pulley is allowed to ...
February 4, 2013 by Jess

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 the crate. Assume ...
October 7, 2009 by Matthew

physics
Three boxes are connected by cords, one of which (mA) wraps over a pulley having negligible friction on its axle and negligible mass and two boxes (mB & mC) are hanging. The masses are mA = 22.0 kg, mB = 40.0 kg, mC = 16.0 kg. -When the assembly is released from rest, what is ...
February 8, 2007 by **chocolatekisses

Physics
A 2 kg block is resting on a 37 degree frictionless inclined plane, attached by a string to a frictionless pulley at the top of the plane, over which a second mass of 3.3 kg hangs down. Find the magnitude of the hanging mass’s acceleration.
April 21, 2016 by Catherine

physics
A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at the bottom is 18.8 m/s. What is the length of the incline? ------------------------------------ Use his change in kinetic energy to get his loss of ...
October 8, 2008 by Vishnu

Physics
Two identical charged particles of mass m=1.6 kg and electric charge Q=-5.2 μC are placed on an frictionless 26° incline. One of them falls down to the bottom and stops against the wall. The other stays at rest in the middle of the incline as shown in Figure. Find is the ...
June 13, 2012 by Alex

physics
Two objects with masses of 2.30 kg and 7.40 kg are connected by a light string that passes over a frictionless pulley (a) Determine the tension in the string. (Enter the magnitude only.) (b) Determine the acceleration of each object. (Enter the magnitude only.) (c) Determine ...
September 28, 2011 by Anonymous

physics
A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, as shown in the figure (see the figure ). The pulley is a uniform disk with mass 10.4 and radius 51.0 and turns on frictionless bearings. You measure that the stone travels a ...
May 13, 2012 by Anonymous

AP Physics
Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The hanging block has a mass of 16 kg and the one on the plane has a mass of 8 kg. The coefficient ...
October 15, 2015 by Brianna

Physics
a frictionless mass1(1kg) is accelerated by mass two(1kg). The two masses are conceted by inextensible,flexible string. calculate the acceleration of the system of the two masses.
September 22, 2014 by Monica

Physics
Two objects with masses 4.90 and 2.10 hang 0.800 above the floor from the ends of a cord 7.20 long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 2.10 object. The heavier object will move .8 m down, the lighter will ...
April 1, 2013 by Ben

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