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July 28, 2014

Search: Assume that the three blocks portrayed in Figure P4.27 move on a frictionless surface and that a F = 42 N force acts as shown on the m = 2.5 kg block

Number of results: 34,300

Physics
Assume that the three blocks in Figure P4.27 move on a frictionless surface and that a F = 46 N force acts as shown on the m = 2.5 kg block. Figure P4.27. (a) Determine the acceleration given this system. m/s2 (to the right) (b) Determine the tension in the cord connecting m ...
February 23, 2012 by Avery

Forces w/ tension
Assume that three blocks portrayed below move on a frictionless surface and that a 42 N force acts on the 3.0 kg block. Determine (a) the acecleration given the system, (b) the tension inthe cord connecting the 3.0kg and the 1.0 kg blocks, and (c) the force exerted by the 1....
December 7, 2006 by Armando

physics
Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks and the table is 0.276. They are connected by a massless cord, as shown in the figure below, and pulled to the right. The masses of the three blocks are = 9.0 kg, = 0.5 kg, ...
February 13, 2008 by shelby

physics
Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks and the table is 0.276. They are connected by a massless cord, as shown in the figure below, and pulled to the right. The masses of the three blocks are = 9.0 kg, = 0.5 kg, ...
February 12, 2008 by shelby

Physics
Three blocks rest on a frictionless, horizontal table (see figure below), with m1 = 8 kg and m3 = 20 kg. A horizontal force F = 101 N is applied to block 1, and the acceleration of all three blocks is found to be 3.5 m/s2. Find m2. What is the normal force between blocks 2 and 3?
January 25, 2011 by Lauren

physics
Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure, are free to move. The coefficent of static friction between the blocks is 0.66 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?
November 7, 2011 by lisa

physics
Two blocks with masses m1 = 20.7 kg and m2 = 55.5 kg, shown in the figure, are free to move. The coefficent of static friction between the blocks is 0.74 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?
February 8, 2012 by Katie

physics
A delivery truck travels 20 blocks south, 24 blocks west and 25 blocks north. What is its final displacement from the origin? Assume the blocks are equal length. Need magnitude of blocks, and direction(counterclockwise from east is positive)
September 21, 2010 by jake

algebra2
you are creating a window display at a toy store using wooden blocks. the display involves stacking blocks in triangular forms. you begin to display with 1 block, which is your first "triangle," and then stack three blocks, two on the bottom and one on the top, to get the next...
October 12, 2011 by jaydene

Physics
A delivery truck travels 19 blocks south, 25 blocks east and 24 blocks north. What is its final displacement from the origin? Assume the blocks are equal length. Magnitude ?blocks Direction ?(counterclockwise from east is positive) I got the displacement with no problem (about...
September 17, 2011 by Anonymous

Physics
A delivery truck travels 18 blocks north, 25 blocks west and 17 blocks south. What is its final displacement from the origin? Assume the blocks are equal length.
November 27, 2010 by Grayce

physics
A delivery truck travels 20 blocks north, 15 blocks east and 18 blocks south. What is its final displacement from the origin? Assume the blocks are equal length.
August 28, 2012 by jake

Physics
A delivery truck travels 20 blocks north, 15 blocks east and 18 blocks south. What is its final displacement from the origin? Assume the blocks are equal length.
August 28, 2012 by jake

physics
A delivery truck travels 15 blocks north, 21 blocks east and 18 blocks south. What is its final displacement from the origin? Assume the blocks are equal length. magnitude and direction
September 30, 2012 by joe

Physics
Consider two blocks that are resting one on top of the other. The lower block has mass m2 = 3.5 kg and is resting on a frictionless table. The upper block has mass m1 = 2.7 kg. Suppose the coefficient of static friction between the two blocks is given by μs = 0.5. Part a...
October 10, 2013 by Anonymous

Physics
Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, as shown in the figure, and pulled to the right. The masses of the three blocks are m1 = 22 kg, m2 = 21 kg, and m3 = 33 kg. The pulling force is equal to T3 = 53 N. What is the ...
September 23, 2012 by jameson

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 2
A delivery truck travels 19 blocks north, 12 blocks west and 22 blocks south. What is its final displacement from the origin? Assume the blocks are equal length. Find magnitude and direction. which is counter clockwise from east is positive.
December 16, 2008 by geffrey

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/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

college physics
Three blocks of mass 1kg,2kg and 3kg move on a frictionless surface and a horizontal force 46 N acts on the 3kg block.1kg and 2kg blocks are in contact with each other while 1kg and 3kg blocks are connected by a chord. (a) Determine the acceleration of the system (b) Determine...
September 21, 2008 by Sandhya

Physics
A m1 = 4.20-kg block on a smooth tabletop is attached by a string to a hanging block of mass m2 = 2.70 kg, as shown in the figure. The blocks are released from rest and allowed to move freely. a) Find the acceleration of the blocks. ___m/s^2 b) Find the tension in the string. ...
October 16, 2012 by Alyssa

Physics
2 blocks are in contact on a horizontal table. A force is applied on the first block at a 30* angle. The blocks move to the right side. If m1 = 2kg and m2 = 1kg and F = 6 N kinetic friction at the middle of the 2 blocks and the table = 0.250 Find the "contact force" between ...
December 8, 2011 by Tom

Physics2
2 blocks are in contact on a horizontal table. A force is applied on the first block at a 30* angle. The blocks move to the right side. If m1 = 2kg and m2 = 1kg and F = 6 N kinetic friction at the middle of the 2 blocks and the table = 0.250 Find the "contact force" between ...
December 9, 2011 by Jim

physics
Three identical blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal force . (Figure 1) The magnitude of the tension in the string between blocks B and C is = 3.00 . Assume that each block has mass = 0.400 . Part A What is ...
September 29, 2012 by sammy

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...
December 11, 2007 by anonymous

physics
Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the block with the greater ...
November 9, 2011 by dave

Physics
Three identical blocks, A, B, and C, are on a horizontal frictionless table. The blocks are connected by strings of negligible mass, with block B between the other two blocks. If block C is pulled horizontally by a force of magnitude F = 28 N, find the tension in the string ...
May 29, 2012 by Vladimir

Physics-Mechaincs
A force of 23.52 N pushes and pulls to blocks as shown in the figure below. The vertical contact surfaces between the two blocks are frictionless. The contact between the blocks and the horizontal surface has a coefficient of friction of 0.29. The acceleration of gravity is 9....
September 24, 2010 by Genevieve

Data Mangement- Math
Nancy lives in a subdivision where the streets are laid out in a grid pattern. Her school is six blocks south and four blocks east of her home. How many different direct routes could she take when she bicycles to school if she always stops by her friends home, which is three ...
February 20, 2013 by Maame

Physics
A light string, connects blocks 1 and 2 of masses m1 and m2. These blocks are further connected to a block of mass M by another light string that passes over a pulley of negligible mass and friction. Blocks 1 and 2 move with a constant velocity v down the inclined plane, which...
December 9, 2010 by Rahul

physics
A marble block of mass m1 = 500.1 kg and a granite block of mass m2 = 237.4 kg are connected to each other by a rope that runs over a pulley, as shown in the figure. Both blocks are located on inclined planes with angles = 35.3 degrees and = 56.7 degrees. Both blocks move ...
October 17, 2011 by Jimmy

math
christi rides her bicycle 7 blocks south. 3 blocks east, 5 blocks north, and 8 blocks west. how many blocks has she ridden when she crosses her own path
October 20, 2012 by john

Physics
In the figure below, assume that the slope is frictionless and that the two blocks are connected by a massless cord. Assume the following: θ1 = 37 θ2 = 45 m1=3kg m2=0.86kg. What is the tension in the cord?.
February 29, 2012 by Ariel

Physics1
Two blocks are initially held at rest on 30 frictionless ramps . The 4 kg block is 1.25 m from the base of the ramp and the 3 kg block is 5 m above the base of the ramp. The two blocks are then released and slide down the ramps and onto a frictionless horizontal surface. The ...
November 17, 2009 by Jon Routh

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
A m1 = 4.20-kg block on a smooth tabletop is attached by a string to a hanging block of mass m2 = 2.60 kg, as shown in the figure. The blocks are released from rest and allowed to move freely.
October 5, 2010 by Manuel

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: Aluminum Block
A 1.65-kg aluminum block and a 6.85-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle = 31.0) as shown in the figure. Making use of the table below, determine the following. ...
March 4, 2013 by crystal

Math
If a building 1 begins with four blocks and increases by three blocks each building, how many blocks will it take to make building 1,000
September 20, 2007 by Gaby

Physics
The builders of the Great Pyramids of Egypt are thought to have used ramps to move the large 20,000 kg (22 ton) stone blocks into place at the construction site. To reduce friction, the Egyptians are assumed to have used rollers between the ramp and each block, enabling the ...
June 23, 2013 by Anonymous

math
Erica was searching for her sunglasses.she walked 2 blocks north,3 blocks south,4 blocks east, and 3 blocks west.How many blocks did she walk?How far is Erica from where she began her search?
October 10, 2011 by hasan

Math
Erica was searching for her sunglasses . She walked 2 blocks north, 3 blocks south, 4 blocks east, and 3 blocks west . How many blocks did she walk? How far Erica from where she began her search?
September 16, 2013 by Jimena

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 = 26.6. What are the weights w1 and w2?
October 25, 2012 by anthony

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?
October 25, 2012 by anthony

Math
Hannah's teacher brought in a bucket containing 72 blocks. The blocks are red, yellow or blue. Hannah wants to figure out the number of blue blocks without emptying the bucket. Hannah chooses a block from the bucket records its color and then replaces it. Of her 14 draws she ...
February 12, 2013 by Leo

Physics
Three blocks rest on a frictionless, horizontal table, with m1 = 9 kg and m3 = 16 kg. A horizontal force F = 104 N is applied to block 1, and the acceleration of all three blocks is found to be 3.3 m/s2. 1) Find m2 2)What is the normal force between 2 and 3?
September 1, 2011 by Logan

Physics
Consider the system of blocks in the figure below, with m2 = 5.0 kg and = 33. If the coefficient of static friction between block #1 and the inclined plane is S = 0.24, what is the largest mass m1 for which the blocks will remain at rest?
October 19, 2012 by Lily

math
manfred mouse fell inside a box of toy blocks. to escape, he needs to build a stairway with the blocks. for manfred to escape, the stairway must be 8 blocks high. he starts with 8 blocks for the bottom step. for the next step, he lays 7 blocks atop the first set of blocks. if ...
August 24, 2011 by Cortez

Physics
The horizontal force F, shown in the figure above, accelerates the 4‒kg block at 1 m/s2 to the right. Assume that the coefficient of kinetic friction is 0.5 for both blocks. Given that the 5‒kg block moves up the slope, find (a) the magnitude of the force F and (b...
February 23, 2014 by Chrxeyshthoufov

Physics
A delivery truck travels 18 blocks north, 10 blocks east, and 16 blocks south. what is its final displacement from the origin? assume the blocks are equal length. My only question is I got about 10 blocks for the displacement got a 2 opposite and 10 adjacent and had to solve ...
July 5, 2009 by Physics

dynamics
Mass of 2.3 kg and 4.5 kg is connected with the cord as shown. The coefficient of kinetic friction between box and floor is 0.35. Determine: a)The tension in the cord b)The acceleration of the blocks c)If the block start slides with 2.3 m/s, d)How far does a blocks move in 4 ...
May 7, 2013 by ruby

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 gravity is 9.8 m...
February 5, 2012 by .

statistics
three blocks of coal were analyzed by four chemists and the ash-content in the block was found to be under blocks chemists 1 11 111 1V A 18 15 15 17 B 17 16 14 14 C 13 16 15 14 DO THE blocks differ in their ash-content?do the chemists differ significantly their analysis?also ...
June 2, 2011 by sireesha

Physics
Three objects are connected as shown in the figure below. They move along a horizontal, frictionless surface, and are pulled to the right with a force Fext = 1.3 N. With the three mass values given as m1 = 726 g, m2 = 633 g, and m3 = 782 g. Calculate the magnitude of the ...
October 2, 2009 by Sam

Physics
Three objects are connected as shown in the figure below. They move along a horizontal, frictionless surface, and are pulled to the right with a force Fext = 2.4 N. With the three mass values given as m1 = 604 g, m2 = 744 g, and m3 = 693 g. Calculate the magnitude of the ...
October 6, 2009 by Hannah

statistics
a set of building blocks includes blocks of various shapes and colors. if 10% of the blocks are cubes, and 40% of the cube blocks are red, then what percentage of the blocks are red cubes
September 7, 2009 by Angie

Math grd12
Gisela lives in a subdivision where the streets are laid out in a grid pattern. Her school is eight blocks south and six blocks east of her home. How many different direct routes could she take when she bicycles to school if she always stops by her friend's home, which is ...
November 21, 2010 by Celina

math
From the pizza shop, James walks 12 blocks south, 22 blocks east, 18 blocks north, and 30 blocks west. What is the least number of blocks that he must travel if he returns to the pizza shop? Explain how you got your answer draw a picture or write a sentence.
March 6, 2012 by mary

physics
blocks 1 and 2 of masses 2 kg and 4kg, respectively, are connected by a light string, as shown above. These blocks are further connected to a block of mass 3kg by another light string that passes overr a pully of negligible mass and friction. Blocks 1 and 2 move with a ...
November 13, 2012 by b

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?
October 22, 2012 by Julian

Physics
I have one problem I just can't figure out, A machine in an ice factory is capable of exerting 3.30 * 10^2 N of force to pull large blocks of ice up a slope. The blocks each weight 1.21 * 10^4th N. Assuming there is no friction, what is the max angle that the slope can make ...
October 13, 2010 by Zach

PHYSICS
Three objects are connected as shown in the figure below. They move along a horizontal, frictionless surface, and are pulled to the right with a force Fext = 2.4 N. With the three mass values given as m1 = 604 g, m2 = 744 g, and m3 = 693 g. Calculate the magnitude of the ...
October 6, 2009 by Hannah

physics
In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.13 kg) and embeds itself in block 2 (mass 1.75 kg). The blocks end up with speeds v1 = 0.600 m/s and v2 = 1.32 m/s (see Figure (2)). ...
November 13, 2013 by kristy

Physics
Two metal blocks are attached by a cable as shown in the figure below and are submerged at rest near the surface of a lake. If the volumes are V1 = 2.1 m3 and V2 = 1.1 m3, what is the total buoyant force on the two blocks?
July 25, 2012 by Sierra

math
A girl delivering newspapers travels 2 blocks west, 1 blocks north, and then 7 blocks east. (a) What is her resultant displacement? _________ blocks at __________ 2 counterclockwise from east. (b) What is the total distance she travels? __________ blocks
September 16, 2012 by Dakota

Math Physics
Two blocks of masses 40.0kg and 20.0kg are stacked on a table with the heavier block on top. The coefficient of static friction is 0.600 between the top and bottom blocks and 0.300 between the bottom block and the table. What is the required magnitude of a horizontal force ...
October 30, 2006 by Eric

physics
Two blocks with masses m1 = 7 kg and m2 = 4 kg are connected with a rope and move on two surfaces of a right-angled wedge as shown in Fig. 6.6 Given that θ1 = 37 , θ= 53, μ= 0.2, and μ= 0.1, find the acceleration of the blocks
April 1, 2012 by Ahmad

arithmetics
ok i understand now what 3/4 means and i know what 1/2 of a cup is but what does 3/4 of a cup mean. You can do it with blocks but not with how much is in the cup. I dont understand. will someone help me? You can do it with blocks. Let four blocks equal a cup, then three of ...
July 24, 2007 by christina

Physics
Two blocks are connected by a string as shown in the figure. What is the acceleration, assuming there is no friction? (Draw the figure and proceed).
October 5, 2010 by Anonymous

university of redlands
Two blocks connected by a string are on a horizontal frictionless surface. The blocks are connected to a hanging weight by means of a string that passes over a pulley as shown in the figure below, where m1 = 1.85 kg, m2 = 2.80 kg, and m3 = 5.05 kg.
September 24, 2012 by Anonymous

Social St
Three reasons on why to move to Colonial New York and three reasond why not to move???
November 7, 2010 by Anonoyms

Physics
Two blocks of masses 40.0kg and 20.0kg are stacked on a table with the heavier block on top. The coefficient of static friction is 0.600 between the top and bottom blocks and 0.300 between the bottom block and the table. What is the required magnitude of a horizontal force ...
October 31, 2006 by Eric

physics
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 416 N and F2 = 363 N. (Assume up and to the right as positive directions.)
February 24, 2012 by Anonymous

Math - Pre-Algebra
A set of building blocks of various shapes and colors. If 30% of the blocks are cubes, and 40% of the cube blocks are red the then _______? what % of the blocks are red cubes.
August 29, 2010 by BC

Math
Their are 18 green blocks in a bag.their are 3 white blocks for every 2green blocks.witch proportion can be used to find w,the total number of white blocks in the bag?
April 7, 2014 by Mark

Physics
Two blocks are fastened to the ceiling of an elevator as in Figure P4.19. The elevator accelerates upward at 2.00 m/s2. The blocks both have a mass of 14.0 kg. Find the tension in each rope. top rope: bottom rope:
June 9, 2008 by Elisa

AP physics
i really need help on this problem!! Three blocks are connected,on a horizontal frictionless table and pulled to the right with a force T3 = 64.4 N. Assume that m1 = 12.5 kg, m2 = 25.0 kg, and m3 = 31.7 kg. (a) Calculate the acceleration of the system (b)Calculate the tensions...
September 24, 2010 by annamaria

Math Help
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
September 13, 2011 by Anonymous

MATH
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
September 13, 2011 by Anonymous

Math
A maker of a cubic number blocks packs a rectangular box so that there are 8 blocks along one edge, 10 blocks along the second edge, and 4 blocks along the third edge. How many blocks will be shipped in this box
January 6, 2013 by Liz

math
A maker of cubic number blocks packs a rectangular box so that there are 11 blocks along one edge, 8 blocks along the second edge and 2 blocks along the third edge. How many blocks will be shipped in this box. If each block has a side of 4cm, what is the volume of the box?
May 31, 2011 by Hayden

physics
Two blocks connected by a string are on a horizontal frictionless surface. The blocks are connected to a hanging weight by means of a string that passes over a pulley as shown in the figure below, where m1 = 1.75 kg, m2 = 2.85 kg, and m3 = 4.95 kg. (a) Find the tension T in ...
February 8, 2011 by Anonymous

Physics
The two blocks in the figure are connected by a massless rope that passes over a pulley. The pulley is 17 in diameter and has a mass of 1.9 . As the pulley turns, friction at the axle exerts a torque of magnitude 0.40 . If the blocks are released from rest, how long does it ...
February 21, 2011 by Saif sidd

physics
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, and then 5.00 blocks east.
February 22, 2012 by micheal

physics
A delivery truck travels 19 blocks north, 14 blocks west and 15 blocks south. What is its final displacement from the origin?
September 30, 2012 by mike

Math
You have 48 yellow blocks and 40 green blocks. What is the greatest number of identical towers that you can build using all 88 blocks?
February 6, 2011 by Martha

Physics
A delivery truck travels 21 blocks north, 17 blocks east, and 27 blocks south. What is its final displacement from the origin (direction)?
February 19, 2014 by Anonymous

4th grade Math
Miguel would like to figure out how many blocks he would need to build the 25th dragon without actually building it. He knows that there is a pattern to his hexagon dragons. Can you write a rule in words or a math expression that Miguel can use to figure out the total number ...
October 4, 2011 by minhtrang

math
Beth has 5base ten blocks. She has at least one of each type of block. The value of her blocks is greater than 140. What blocks could she have
October 23, 2007 by gabriela

science
a girl delivering newspaper travels 3 blocks west, four blocks north, then 6 blocks east. What is the total distance she travel
October 20, 2010 by lili

Physics
A delivery truck travels 19 blocks north, 14 blocks west and 15 blocks south. What is its final displacement from the origin? whats the degrees???
September 30, 2012 by john

math
alana has 5 base ten blocks.She has at least one of each type of block.The value of her blocks is greater than 140.What blocks could she have?
October 2, 2012 by ronel

math
Zach is walking to his best friend's house, which is 5 1/3 blocks away, so far he has walked 2 5/6 blocks. How many more blocks does he need to walk?
February 8, 2013 by Jr

Physics
A girl delivering newspapers covers her route by traveling 9.00 blocks west, 3.00 blocks north, and then 1.00 blocks east. What is the total distance she travels?
September 16, 2013 by Kelsey

math
Kwan has modeled a number that is less than 999. His model has twice as many 100-blocks as 10-blocks. It has twice as many 10-blocks as 1-blocks. What is the number?
November 4, 2010 by guru

math
Kwan has modeled a number that is less than 999. His model has twice as many 100-blocks as 10-blocks. It has twice as many 10-blocks as 1-blocks. what is the number?
August 13, 2012 by Anonymous

PHYSICS
An arrangement of 3 blocks A ,B,C such that block A of mass 5 kg is over block B of 6 kg, with a friction between them of 0.8. both the blocks are connected to the 3rd block C of mass m by a string and frictionless pulley. Now to find at what value of m will both pulley A and ...
July 12, 2013 by SURAJ

Physics
The two blocks in the figure below, m1 = 1.2 kg and m2 = 4.8, are connected by a massless rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg. As the pulley turns, friction at the axle exerts a torque of magnitude 0.38 Nm. If the blocks ...
November 21, 2012 by Alex

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