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April 23, 2014

Search: massless spring with spring constant k is placed between

Number of results: 487

Physics
An object of mass M = 1,114 g is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 811 g by means of a massless string that extends around a massless, frictionless pulley. Find the tension of the ...
Saturday, October 10, 2009 at 1:29pm by Lisa

physics
The figure below shows an object of mass M = 1,276 g. It is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 1,362 g by means of a massless string that extends around a massless, frictionless pulley. ...
Saturday, October 10, 2009 at 1:35am by m2a

Physics
A 33.7 kg block m1 is on a horizontal surface, connected to a 7.10 kg block m2 by a massless string as shown in the Figure. The pulley is massless and frictionless.
Saturday, October 26, 2013 at 7:36pm by JAYZ

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
Thursday, October 25, 2012 at 12:57am by Anonymous

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.
Friday, October 7, 2011 at 6:49pm 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.
Wednesday, October 3, 2012 at 9:49am 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.
Monday, July 1, 2013 at 3:58pm by brando

Physic
The figure below shows a block of mass m resting on a 20 slope. The block has coefficients of friction s = 0.73 and k = 0.53 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kg.
Monday, March 3, 2014 at 7:41pm by Jason

Physics 1
A mass m1 = 4.9 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.7 kg which hangs freely from the string. When released, the hanging mass falls a distance d = 0.8 m.
Friday, April 5, 2013 at 3:52pm by Brandon

Physics
There are two objects of masses M and m. The horizontal surface allows for frictionless motion. The string ties to the two objects is massless and passes over a massless pulley that rotates without friction. If M=4.23 kg and m=1.24 kg, what is the magnitude of the acceleration...
Sunday, October 26, 2008 at 12:04pm by John

physics
Two blocks of mass m1 = 1.2 kg and m2 = 1.7 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 0.45. Calculate the speed of the blocks after they have moved a...
Tuesday, December 11, 2007 at 8:47pm by anonymous

Physics
A block of mass M resting on a 21.5 slope is shown. The block has coefficients of friction μs=0.605 and μk=0.344 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.57 kg. What is the minimum mass...
Monday, November 1, 2010 at 1:20pm by Bala

Physics
A block of mass M resting on a 21.5 slope is shown. The block has coefficients of friction μs=0.605 and μk=0.344 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.57 kg. What is the minimum mass...
Monday, November 1, 2010 at 3:31pm by Bala

Physics
A block of mass M resting on a 21.5 slope is shown. The block has coefficients of friction μs=0.605 and μk=0.344 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.57 kg. What is the minimum mass...
Thursday, November 4, 2010 at 8:32pm by Bella

Physics
A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 50.7 N, W2 = 32.1 N, and W3 = 28.6 N. Determine the magnitude of the normal force that the ...
Tuesday, September 25, 2012 at 1:01am by StressedStudent

physics
Two blocks with mass m1 = 7.2 and m2 = 7.7 are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 45.0. The kinetic coefficient of friction between m1 and the incline is 0.22. What is the minimum value of the static ...
Sunday, October 9, 2011 at 5:01pm by Jessica

Physics
A 100kg mass is connected to a 200kg mass by a massless rope. The two masses rest on a frictionless surface. A (massless)rope is then attached to the 200kg mass, and is pulled. The two mass system accelerates. What is the relationship between the two tensions? _THANK YOU
Friday, March 5, 2010 at 4:39pm by Anonymous

physics
A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- $kg$ block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. ...
Thursday, February 20, 2014 at 5:09pm by Mimi

physics
A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. ...
Thursday, February 20, 2014 at 5:10pm by Mimi

pysics
A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1-kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. ...
Friday, February 21, 2014 at 10:00am by Ted

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 ...
Sunday, November 24, 2013 at 7:05pm by Nickoli

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 ...
Sunday, November 24, 2013 at 6:34pm by Nickoli

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 ...
Wednesday, October 14, 2009 at 9:13pm by Nala

physics
Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string.M1 is on the surface and mass 2 is hanging on the surface. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.40. Calculate the speed of ...
Saturday, December 4, 2010 at 8:29pm by sky

physics
A 33.5 kg block m1 is on a horizontal surface, connected to a 6.50 kg block m2 by a massless string. The pulley is massless and frictionless. A force of 213.7 N acts on m1 at an angle of 33.7o. The coefficient of kinetic friction between m1 and the surface is 0.201. Determine...
Thursday, July 18, 2013 at 11:46am by Mary

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 mass M2
Sunday, September 23, 2012 at 7:21pm by jameson

physics
A massless string runs around two massless, frictionless pulleys. An object with mass m = 20 kg hangs from one pulley. A force F is exerted on the free end of the string to lift the object at a constant speed by a distance of 2.3 m. What is the work done on the object by the ...
Monday, November 16, 2009 at 7:10pm by m2a

physics
Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.40. Calculate the speed of the blocks after they have moved a distance 72 cm. Assume ...
Saturday, December 4, 2010 at 8:20pm by lucy

physics
A 25.5- kg block (m1) is on a horizontal surface, connected to a 5.7- kg block (m2) by a massless string as shown in the Figure. The pulley is massless and frictionless. A force of 239.3 acts on m1 at an angle of 32.1 . The coefficient of kinetic friction between m1 and the ...
Monday, March 3, 2014 at 9:53am by Chris

Physics 30
One 3kg paint bucket is hanging by a massless cord from another 3kg pain bucket, also hanging by a massless cord. a) If the buckets are at rest, what is the tension in each cord? b) If the buckets are pulled upward with an acceleration of 2.6 m/s^2 by the upper cord, calculate...
Saturday, May 22, 2010 at 6:55pm by Joloraine

Physics
So I got a question One 3.5-kg paint bucket is hanging by a massless cord from another 3.5-kg pain bucket, aslo hanging by a massless cord if the buckets are at rest, what is the tension in each cord? How do I do this is this just the normal or what I do not understand how you...
Friday, July 10, 2009 at 10:07pm by Physics

physics
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 51.0 N, W2...
Tuesday, February 21, 2012 at 2:39pm by Natasha

physics
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 56.2 N, W2...
Sunday, June 30, 2013 at 1:04pm by josh

physic 1
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 52.4 N, W2...
Tuesday, February 18, 2014 at 11:46am by Anonymous

physics
Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 80 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 11 m above the floor, how long does it ...
Saturday, February 21, 2009 at 1:55am by kj

Physics
I posted this question earlier and I still don't get it So I got a question One 3.5-kg paint bucket is hanging by a massless cord from another 3.5-kg pain bucket, aslo hanging by a massless cord if the buckets are at rest, what is the tension in each cord? How do I do this is ...
Saturday, July 11, 2009 at 1:53pm by Physics

general physics
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2 and the other end is connected to box 3. The weights of the three boxes are W1 = 51.4 N, W2...
Thursday, July 25, 2013 at 7:03pm by ODU

Physics
Block M (mass of 15.65 kg) is initially moving to the left with a speed of 3.77 m/s. The mass of m is 8.26 kg and the coefficients of friction are Us = 0.411 and Uk = 0.304. The string is massless and the pulley is massless and frictionless. How fast will M be traveling when m...
Thursday, March 1, 2012 at 5:36pm by Zach

Physics
I am doing my physics homework and am stuck on this one problem. can anyone help me please? Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline (as shown in the figure). Let M1 = 58.0 kg, M2 = 65.0 kg, ...
Monday, January 30, 2012 at 7:35pm by Kaity

Physics
Two identical masses are connected by a (massless, stretchless) string across a (massless, frictionless) pulley. The mass on the right is held so that the string connected to it is horizontal. Everything is initially at rest; the tension is the string is zero. The mass on the ...
Friday, August 10, 2012 at 3:21pm by Chad

Physics
An atwood machine consists of a massless string connecting two masses over a massless, frictionless pully. In this case, the masses are 1.70kg and 1.65kg. The system is released from rest with the 1.7kg mass 2.15m above the floor and the 1.65kg mass on the floor. (a) what is ...
Monday, October 4, 2010 at 11:11am by Larry

Physics
Mass 1 and mass 2 are connected as shown by a massless, non-stretch rope that passes over a massless, frictionless pulley. The masses are on inclines which have friction. When the angles of the string are as given, mass 1 experiences an acceleration up the incline of 1.00 m/s/...
Wednesday, July 25, 2012 at 8:23pm by Zac

Physics
A block of mass M1 = 160.0 kg sits on an inclined plane and is connected to a bucket with a massless string over a massless and frictionless pulley. The coefficient of static friction between the block and the plane is ms = 0.52, and the angle between the plane and the ...
Sunday, December 9, 2007 at 12:55pm by Lindsay

Physics
A 70 kg person stands on a 30 kg platform and pulls on a massless rope with a force of 400 N. The rope passes around a pulley attached to a support (roof), and then around a second pulley attached to the platform before being anchored to the support (roof). All sections of the...
Tuesday, January 22, 2013 at 1:21am by Adam

PHYSICS
Two objects are connected by a massless string as shown in the figure below. The pulley is massless and rotates without friction. The object of mass m = 1.7 kg slides without friction on an inclined plane which makes an angle of = 38 with the horizontal. The object of mass ...
Thursday, March 17, 2011 at 1:51pm by Tanya

physics help
Two 12.0 kg boxes are connected by a massless string that passes over a massless frictionless pulley as shown above. The boxes remain at rest, with the one on the right hanging vertically and the one on the left d = 2.9 m from the bottom of an inclined plane that makes an ...
Friday, October 19, 2012 at 12:46pm by arcos15

physics help plz
One 3.5 kg paint bucket is hanging by a massless cord from another 3.5kg paint bucket, also hanging by a massless cord, as shown in the figure . Part a) If the buckets are at rest, what is the tension in lower and higher cord ? Part b)If the two buckets are pulled upward with ...
Sunday, May 6, 2012 at 4:26pm by emma

science
with massless strings
Friday, November 19, 2010 at 6:06pm by lia

physics
Two blocks with mass m1 = 4.2 kg and m2 = 4.7 kg are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 27.5. The kinetic coefficient of friction between m1 and the incline is 0.28. What is the minimum value of the ...
Saturday, December 4, 2010 at 8:28pm by sky

Physics
A mass m1 = 3.3 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.4 kg which hangs freely from the string. When released, the hanging mass falls a distance d = 0.87 m. 1) How much work is done by gravity on the ...
Sunday, September 30, 2012 at 9:46pm by David

Physics
Note: The left-hand mass is equal to the sum of the other two masses. A massless pulley is attached to the ceiling,in a uniform gravitational field, and rotates with no friction about its pivot. Another massless pulley is attached to the end of the cord on the right and ...
Tuesday, October 1, 2013 at 9:58pm by DW

physicss
The question states: A 5.2 kg box is on a frictionless 36 degree slope and is connected via a massless string over a massless, frictionless pulley to a hanging 2.1 kg weight. What is the tension in the string if the 5.2 kg box is held in place, so that it cannot move? I summed...
Thursday, December 9, 2010 at 10:36pm by Taylor

Physics
One 2.5 kg paint bucket is hanging by a massless cord from another 2.5 kg paint bucket, also hanging by a massless cord, as shown in Fig. 4-44. (a) If the buckets are at rest, what is the tension in each cord? (lower cord)________ N (upper cord)________ N (b) If the two ...
Wednesday, March 16, 2011 at 3:33pm by Shanniganz

phy
Is the string massless? If the string is of mass per unit length p, then we will get tension as a function of height. However, if the string is massless, the tension in the string will simply equal the force that the box puts on it. Draw a force diagram. That's how you always ...
Sunday, October 24, 2010 at 4:53pm by Jo

Physics
The diagram for this problem is a pulley. On the left end Box 1 is sitting on a table and Box 2 is attached sitting on top of Box 1 and is attached to the string for the pulley. The right side has the string attached to Box 3 which is lifted off the table. A massless rope ...
Thursday, June 21, 2012 at 3:53pm by Caitlyn

Physics
This is the info for the problem: A block of mass M1 = 160.0 kg sits on an inclined plane and is connected to a bucket with a massless string over a massless and frictionless pulley. The coefficient of static friction between the block and the plane is ms = 0.52, and the angle...
Wednesday, December 12, 2007 at 11:13pm by Lindsay

math
Two blocks sit on a horizontal surface. They are connected to each other by a massless cord. The block on the left has a mass of 5.1 kg and the block on the right has a mass of 3.0 kg. Another massless cord is attached to the block on the right and pulls that block with a ...
Sunday, September 23, 2012 at 1:52pm by kara

Physics
Two blocks sit on a horizontal surface. They are connected to each other by a massless cord. The block on the left has a mass of 4.8 kg and the block on the right has a mass of 2.2 kg. Another massless cord is attached to the block on the right and pulls that block with a ...
Monday, February 18, 2013 at 11:55pm by Patrick

chemistry
A gas is confined to a container with a massless piston at the top. (Part C figure) A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 4.90 to 2.45 L. When the external pressure is increased to 2....
Friday, March 25, 2011 at 10:09pm by Lina

Chemistry for Engineers
A gas is confined to a container with a massless piston at the top. (Part C figure) A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 4.90 to 2.45 L. When the external pressure is increased to 2.50 ...
Friday, March 25, 2011 at 10:17pm by Lina

physics
Two small metal spheres with masses 2.0 and 4.0 are tied together by a 5.4--long massless string and are at rest on a frictionless surface. Each is charged to +2.4 .
Sunday, February 20, 2011 at 11:58am by carlyle

physics
A mass m1 = 10 kg on top of a rough horizontal table surface is connected by a massless cable over a frictionless wheel to a hanging mass m2 = 5 kg, as shown in the previous problem. In m2 falls 1 m from rest in 1.2 seconds, find the co-efficient of kinetic friction between m1...
Monday, October 8, 2012 at 1:07pm by kim

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 ...
Tuesday, November 17, 2009 at 10:05pm by Nikita

PHYSICS
Particles 1 and 2, each of mass m, are attached to the ends of a rigid massless rod of length L1 + L2, with L1 = 19 cm and L2 = 75 cm. The rod is held horizontally on the fulcrum and then released. What is the magnitude of the initial acceleration of particle 1? What is the ...
Saturday, March 24, 2007 at 6:35pm by Calvin

physics
Block A (70 N) and block B (21 N) are connected by a massless cord and are at rest. Given s = 0.8. What is friction A ?
Sunday, January 9, 2011 at 9:42pm by help !

physics please help!!
a, find k. k= mg/x (in change grams to kg, cm to m). then, 1/2 mv^2= 1/2 k x^2 solve for x, the max compression. b. it will rebound with a velocity of .800m/s, of course...if the spring is massless..
Thursday, October 6, 2011 at 7:05pm by bobpursley

physics
(Another) Physics Homework Help? The two blocks in the figure are sliding down the incline. What is the tension in the massless string?
Friday, October 24, 2008 at 10:48am by vidya

physics
Figure 5-53 shows a man sitting in a bosun's chair that dangles from a massless rope, which runs over a massless, frictionless pulley and back down to the man's hand. The combined mass of man and chair is 95.4 kg. With what force magnitude must the man pull on the rope if he ...
Saturday, June 4, 2011 at 8:21pm by Ajay

physics
Two masses are hanging over a frictionless, massless pulley as shown blocks_pulley_aMass m1 is 5.0 kg and mass m2 is 7.0 kg
Saturday, June 19, 2010 at 6:25pm by bill

Physics 101
The systemis in equilibrium and the pulleys are frictionless and massless. |_________________________| l l l ( . ) l / \ | / \ ( . ) 8kg | I 2kg ( . ) | / \ | I 6kg ______V____I____________________ _________________________________| Find the force T. The acceleration of ...
Tuesday, November 8, 2011 at 12:36am by physics

physics
Two masses m and 2m are attached with each other by a rope passing over a frictionless and massless pulley. If the pulley is accelerated upwards with an acceleration a, what is the value of T?
Tuesday, February 1, 2011 at 1:49am by nikhil

Physics
Three balls with masses of 4 g, 6 g, and 4 g,respectively, are connected by massless rods. The balls are located (in meter intervals).What is the x-coordinate of the center of mass? Answer in units of m
Saturday, March 31, 2012 at 12:12am by Amber

physics
Three balls A, B, and C, with masses of 3 kg, 1 kg, and 1 kg, respectively, are connected by massless rods. What are the coordinates of the center of mass?
Monday, October 13, 2008 at 7:41pm by Samuel

physics
Two masses of 8 kg and 12 kg are tied to each end f a string passing over a massless and frictionless pulley. find the resulting accelration of each mass.
Wednesday, March 20, 2013 at 12:04am by markcampo

physics
In a device known as an Atwood machine, two masses m1=10kg and m2=20kg are connected by rope over a frictionless pulley. What is the acceleration of each mass if the rope is massless?
Monday, November 22, 2010 at 7:51pm by Mike

physics
the weight of the block on the table is 402 N and that of the hanging block is 210 N. Ignore all frictional effects, and assuming the pulley to be massless, Find the acceleration of the two blocks
Friday, October 21, 2011 at 4:54pm by Anonymous

Physics
A massless string connects three blocks as shown below. A force of 24 N acts on the system. What is the acceleration of the blocks and the tension in the rope attached to the 2 kg block?
Monday, October 22, 2012 at 1:48pm by Julian

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 ?
Monday, October 14, 2013 at 2:44am by Samar

Physica
In the figure shown ,the string and pulley are massless , if m1 = 15 kg and m 2 =10 kg ,the tension in the string is ;
Sunday, July 15, 2012 at 2:54am by Q11

Physica
In the figure shown ,the string and pulley are massless , if m1 = 15 kg and m 2 =10 kg ,the tension in the string is ;
Sunday, July 15, 2012 at 6:12pm by 1111

Physics
The acceleration of a frictionless, massless Atwood machine is a = (M1-M2)g/(M1+M2) Se if you can use that information to do the rest of the problem
Monday, October 4, 2010 at 11:11am by drwls

Science
A lamp is suspended by a massless string from the ceiling of a descending elevator which decelerates at 1.6 m/s2. If the tension in the string is 82.0 N, what is the mass of the lamp?
Tuesday, October 25, 2011 at 9:40pm by Mark

physics
the following system (fig1) is in epuilibrium in the system a block of m=9 kg is attaehed the ceiling by two massless ropes are 45 of each two
Saturday, August 6, 2011 at 9:13am by nader

Physics
if arnold strongman and suzie small each pull very hard on opposite ends of a massless rope in a tug-of-war the greater force on the rope is exerted by ? i think both the same
Tuesday, January 5, 2010 at 12:43pm by sasha

Physics
if arnold strongman and suzie small each pull very hard on opposite ends of a massless rope in a tug-of-war the greater force on the rope is exerted by ? i think both the same
Tuesday, January 5, 2010 at 12:43pm by sasha

physics
In the drawing, the weight of the block on the table is 380 N and that of the hanging block is 175 N. Ignore all frictional effects, and assuming the pulley to be massless. What is the acceleration of the two block?
Wednesday, July 10, 2013 at 1:20pm by rex

physics
Two masses are attached to an Atwood machine. the mass of block A is 12.3kg and the mass of B is 4.2kg. the pulley is massless but has kinetic friction of 16N. The blocks are released from rest, what is the acceleration of the system
Friday, December 4, 2009 at 6:37am by kelly

Physics (76)
the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and assuming the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord.
Monday, February 7, 2011 at 11:08am by Tiffany

physics homework 7 :)
The weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and assuming the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord.
Tuesday, February 8, 2011 at 10:14pm by Nerdy Nancy

physics
an object of mass m = 2,113 g held by a massless string on a frictionless inclined surface. What is the magnitude of the force that the surface exerts on the object if θ = 52 degrees ?
Saturday, September 26, 2009 at 4:58pm by Lavender

physics
Two blocks are connected by a light string that passes over a massless, frictionless pulley as shown. The coefficient of friction between the 4kg block and the surface is 0.4. Find the acceleration of the system and the tension in the string.
Thursday, April 17, 2014 at 11:49am by michelle

Physics
An Atwood's machine consists of two crates of different masses. If the pulley is frictionless and massless along with a string of negligible mass, find the acceleration of the crates and the tension in the string
Monday, March 24, 2014 at 11:18am by Lauren

Physics
A string passes over a frictionless, massless pulley attached to the ceiling. A mass m1=15.0 kg hangs from one end of this string, and a second massless, frictionless pulley hangs from the other end of the string. A second string passes over the second pulley and a mass m2=4.0...
Saturday, February 21, 2009 at 2:53am by Sandra

physics
A ball of mass m = 0.2 kg is attached to a (massless) string of length L = 3 m and is undergoing circular motion in the horizontal plane, as shown in the figure. What should the speed of the mass be for θ to be 46? What is the tension in the string?
Saturday, March 19, 2011 at 8:59pm by laila

physics
ball of mass m = 0.2 kg is attached to a (massless) string of length L = 3 m and is undergoing circular motion in the horizontal plane, as shown in the figure. What should the speed of the mass be for θ to be 46? What is the tension in the string?
Sunday, March 20, 2011 at 2:46pm by Anonymous

Physics-Mechanics
A pulley is massless and frictionless. 3 kg, 2 kg, and 6 kg masses are suspended. What is the tension T1 in the string between the two blocks on the left-hand side of the pulley?
Friday, September 24, 2010 at 1:15pm by Genevieve

Physics
Two masses are held while suspended on a frictionless pulley.Their masses are 0.250 kg and 0.200 kg. a. Compute for the acceleration of the masses once they are released? b.Find the tension on the string m1 accelerates upward and m2 downward Let a be the acceleration of m1 ...
Sunday, September 10, 2006 at 8:43am by fluffy

Physics
In the drawing, the weight of the block on the table is 430 N and that of the hanging block is 165 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two blocks. (b) Find the tension in the cord.
Thursday, February 3, 2011 at 4:50pm by Lauren

Physics
An external force F is holding a bob of mass 725 g in a stationary position. The angle that the massless rope makes with the vertical is θ = 33. (a) What is the magnitude, F, of the force needed to maintain equilibrium in N? (b) What is the tension in the rope in N?
Thursday, May 24, 2012 at 4:38pm by Ethan

physics
The combined mass of a man and a chair suspended at the midpoint of a rope of negligible mass is 50 kilograms. The rope is connected to a weight of 4360 newtons hanging from a massless frictionless pulley. Find the angle.
Monday, January 20, 2014 at 1:23pm by Robert

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