Search: In Figure 5-62, 4.0 kg block A and 6.0 kg block B are connected by a string of negligable mass. Force FA = (14 N) i acts on block A; force FB = (24 N) i acts on block B. What is the tension in the string?

Number of results: 32,572

physics
In the Figure the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.3 kg, block B has a mass of 2.7 kg, and angle è is 26 °. If the blocks are released from rest with the connecting cord taut, what is their ...
Monday, March 23, 2009 at 5:21am by chirayu

Physics
A block of mass m1 = 22.0 kg is connected to a block of mass m2 = 40.0 kg by a massless string that passes over a light, frictionless pulley. The 40.0-kg block is connected to a spring that has negligible mass and a force constant of k = 260 N/m as shown in the figure below. ...
Tuesday, March 12, 2013 at 1:53am by Anonymous

physics
Two packing crates of masses 7.88 kg and 4.62 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 4.62 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 4.62 kg crate
Friday, October 5, 2012 at 12:09am by Anonymous

AP PHYSICS MECH.
In Figure 9-62, block 2 (mass 1.3 kg) is at rest on a frictionless surface and touching the end of an unstretched spring of spring constant 160 N/m. The other end of the spring is fixed to a wall. Block 1 (mass 2.1 kg), traveling at speed v1 = 4.0 m/s, collides with block 2, ...
Monday, February 14, 2011 at 7:28pm by vm

Physics 1
A 50.0-kg block and 100-kg block are connected by a string as in Figure P8.36. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 50-kg block and incline is 0.250. Determine the change in the kinetic energy of the 50-kg block as ...
Thursday, October 20, 2011 at 9:00pm by Anonymous

physics
A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 300 N/m, as shown in the figure below. The spring is unstretched when the ...
Monday, November 14, 2011 at 2:49pm by carlton

ph
A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 300 N/m, as shown in the figure below. The spring is unstretched when the ...
Monday, November 14, 2011 at 2:49pm by carlton

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 ...
Thursday, February 23, 2012 at 9:15pm by Avery

physics
A 4-kg block is connected by means of a massless rope to a 2-kg block in the figure. If the coeficient of sliding friction between the 4 kg mass and the table is 0.150, find the acceleration of the system, and the tention in the connecting cable.
Tuesday, November 15, 2011 at 3:24pm by Anonymous

Anyone ??? Physics
In the figure below, block 1 of mass m1 = 3.0 kg and block 2 of mass m2 = 1.0 kg are connected by a string of negligible mass. Block 2 is pushed by force F of magnitude 30 N and angle θ = 20°. The coefficient of kinetic friction ...
Friday, October 26, 2012 at 9:47am by Josh36

Physics help needed
In the figure below, block 1 of mass m1 = 3.0 kg and block 2 of mass m2 = 1.0 kg are connected by a string of negligible mass. Block 2 is pushed by force F of magnitude 30 N and angle θ = 20°. The coefficient of kinetic friction between each block and the ...
Friday, October 26, 2012 at 3:04am by The master

physics
The weightless horizontal bar in the figure below is in equilibrium. Scale B reads 4.00 kg (N.B. as you know, the scale should read N, but no one told the manufacturer). The distances in the figure (which is not to scale) are: D1 = 9.0 cm, D2 = 8.0 cm, and D3 = 6.5 cm. The ...
Tuesday, April 10, 2012 at 8:56pm by James

Physics
A block of mass m = 2.00 kg rests on the left edge of a block of mass M = 8.00 kg. The coefficient of kinetic friction between the two blocks is 0.300, and the surface on which the 8.00- kg block rests is frictionless. A constant horizontal force of magnitude F = 10.0 N is ...
Wednesday, July 25, 2012 at 8:24pm by Zac

physics
A 5.0-kg block is at rest on a horizontal floor. If you push horizontally on the 5.0-kg block with a force of 10.0 N, it just starts to move. (a) What is the coefficient of static friction? (b) A 12.0-kg block is stacked on top of the 5.0-kg block. What is the magnitude F of ...
Thursday, February 16, 2012 at 7:27pm by Julie

physics PLEASE help
A 5.0-kg block is at rest on a horizontal floor. If you push horizontally on the 5.0-kg block with a force of 10.0 N, it just starts to move. (a) What is the coefficient of static friction? (b) A 12.0-kg block is stacked on top of the 5.0-kg block. What is the magnitude F of ...
Thursday, February 16, 2012 at 8:08pm by Julie

physics
The horizontal surface on which the block of mass 5.1 kg slides is frictionless. The force of 62 N acts on the block in a horizontal direction and the force of 124 N acts on the block at an angle of 60 degrees. What is the magnitude of the resulting acceleration of the block? ...
Saturday, October 1, 2011 at 8:29am by Kylie

physics
A 15 kg block is pulled 5 m across the frictionless floor with a force of 62 N at a 41 degree angle. Calculate the total work done on the block.
Wednesday, January 18, 2012 at 8:08pm by Courtney

Physics
A 4 kg block rests between the floor and a 3 kg block. The 3 kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.800 between each pair of surfaces in contact, what force must be applied horizontally to the 4 kg block to make it move?
Wednesday, December 19, 2012 at 11:35am by Joe

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.
Tuesday, October 5, 2010 at 9:13pm by Manuel

Physics
A 12.0 kg block sits on a frictionless table. On top of this block is placed a 5.00 kg block. The coefficient of static friction between the two blocks is 0.70. a) What is the maximum force that can be applied horizontally to the 5.00 kg block before it slips? b) What is the ...
Wednesday, July 25, 2012 at 8:21pm by Zac

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 ...
Sunday, March 24, 2013 at 7:12pm by Nicole

physics
A 4.0-kg block is stacked on top of a 12.0-kg block, which is accelerating along a horizontal table at a = 5.2m/s2 . Let u=uk=us. (a) What minimum coefficient of friction u between the two blocks will prevent the 4.0-kg block from sliding off? (b) If u is only half this ...
Tuesday, November 20, 2012 at 2:12pm by Anonymous

physics
A 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.16 kg) and embeds itself in block 2 (mass 1.85 kg). The blocks end up with speeds v1 = 0.560 m/s and v2 = 1.36 m/s (Figure (2)). Neglecting the ...
Wednesday, May 9, 2012 at 3:46pm by Kasie

physics
A block of mass m = 3.6 kg, moving on a frictionless surface with a speed vi=9.3m/s makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 3.6 kg block recoils with a speed of vf=2.7m/s. In Figure 8.2, the speed of the block of mass M ...
Friday, November 16, 2012 at 9:07pm by terry

physics
Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27 and the blocks ...
Friday, November 30, 2012 at 2:58pm by Diane

physics
block a in figure 1 has a mass of 10kg, and block b has a mass of 30 kg. the coefficient of friction between b and the horizontal surface is 0.3. a) what is the mass of block c if block b is moving with an acceleration of 3m/s/s b) what is the tension in each cord when b is ...
Wednesday, January 9, 2013 at 7:43am by flay

math
ok figure 1 has one block figure 2 has 5 block and figure 3 has 9 block what would the 100th figure be
Monday, October 19, 2009 at 8:43pm by abby

Physics
The two blocks (m = 37 kg and M = 109 kg) in the figure below are not attached to each other. The coefficient of static friction between the blocks is µs = 0.55, but the surface beneath the larger block is frictionless. What is the minimum magnitude of the horizontal ...
Wednesday, October 28, 2009 at 4:44pm by Jane

physics
A 10.0-kg block is at rest on a horizontal floor. If you push horizontally on the 10.0-kg block with a force of 20.0 N, it just starts to move. (a) What is the coefficient of static friction? b) A 12.0-kg block is stacked on top of the 10.0-kg block. What is the magnitude F of...
Thursday, February 17, 2011 at 10:22am by melad

physics
A block (mass = 2.9 kg) is hanging from a massless cord that is wrapped around a pulley (moment of inertia = 1.2 x 10-3 kg·m2), as the figure shows. Initially the pulley is prevented from rotating and the block is stationary. Then, the pulley is allowed to rotate as ...
Wednesday, November 3, 2010 at 4:25pm by danica

physics
A 1.75-kg wooden block rests on a table over a large hole as in the figure below. A 4.60-g bullet with an initial velocity vi is fired upward into the bottom of the block and remains in the block after the collision. The block and bullet rise to a maximum height of 24.0 cm.
Sunday, March 25, 2012 at 6:02pm by jeezy

physics
A block of mass 3.62 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 7.8 kg which hangs in the air, as shown. Assume the cord to be light (massless and weightless) and unstretchable and the pulley to...
Thursday, November 15, 2012 at 4:28pm by alice

physics
A 4.85-kg block is placed on top of a 12.0-kg block that rests on a frictionless table. The coefficient of static friction between the two blocks is 0.645. What is the maximum horizontal force that can be applied before the 4.85-kg block begins to slip relative to the 12.0-kg ...
Monday, November 7, 2011 at 7:45pm by zach

Physics
An 8.70 kg block slides with an initial speed of 1.56 m/s **down** a ramp inclined at an angle of 28.4 with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.62. Use energy conservation to find the distance the block slides before coming ...
Saturday, July 16, 2011 at 4:08pm by AfterLife

physics
The 2 kg block in Figure 7-25 slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest. Figure 7-25 (a) What is the speed of the block at the bottom of the ramp? (b) ...
Sunday, January 30, 2011 at 6:09pm by Sierra

physics
A block of mass 3 kg is hung from a spring, causing it to stretch 21 cm at equilibrium, as shown below. The 3 kg block is then replaced by a 4 kg block, and the new block is released from the position shown below, at which point the spring is unstretched. 21 cm ymax 3 kg ...
Wednesday, February 6, 2013 at 11:20pm by Anonymous

Physics
a. Wb = m*g = 8kg * 9.8N/kg = 78.4 N. = Wt of block. Epmax = mg*h-Fk*d Epmax = 78.4*1.6*sin30 - Fk*1.6 Epmax = 62.72 - Fk*1.6 Ek = 62.72 - Ff*1.6 0.5m*V^2 = 62.72 - Ff*1.6 4*5^2 = 62.72 - Fk*1.6 100 = 62.72 - Ff*1.6 Ff*1.6 = 62.72-100 = -37.28 Ff = -23.3 N. = Force of friction...
Monday, March 25, 2013 at 1:51am by Henry

physics
A 2.09 kg block is placed on top of a 10.9 kg block. A horizontal force of F = 63.3 N is applied to the 10.9 kg block, and the 2.09 kg block is tied to the wall. The coefficient of kinetic friction between all moving surfaces is 0.117. There is friction both between the masses...
Sunday, October 10, 2010 at 12:42am by shel

physcs
A small block of mass m1 = 0.500 kg is released from rest at the top of a curve-shaped frictionless wedge of mass m2 = 3.00 kg, which sits on a frictionless horizontal surface as in the figure below. When the block leaves the wedge, its velocity is measured to be 4.00 m/s to ...
Saturday, May 18, 2013 at 12:18pm by Anonymous

A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle θ = 35° with the horizontal (Figure 6-20). The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is...
Wednesday, July 14, 2010 at 3:56pm by Sam

Physics
36.A 50.0-kg block and 100-kg block are connected by a string. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 50-kg block and incline is 0.250. Determine the change in the kinetic energy of the 50-kg block as it ...
Monday, April 15, 2013 at 7:50am by Noor

physics
A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle θ = 35° with the horizontal (Figure 6-20). The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is...
Wednesday, July 14, 2010 at 3:56pm by Sam

math
ok figure 1 has one block figure 2 has 5 block and figure 3 has 9 block whats the pattern
Monday, October 19, 2009 at 8:43pm by abby

science
In the system shown in the figure , block A has mass m_A = 2.08 kg, block B has mass m_B = 0.370 kg, and the rope connecting them has a nonzero mass 0.203 kg. The rope has a total length 1.03 m and the pulley has a very small radius. Let d be the length of rope that hangs ...
Tuesday, January 18, 2011 at 10:30pm by Will

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 ...
Friday, March 16, 2012 at 12:52am by Nick

Physics
if the speed of the block is 9.5 m/s at the bottom of the ramp, from what height was the block released? what is the length of the ramp?" and i know that the mass is 7 kg, initial veloctity=0, it is frictionless, and inclined at an angle of 62 degreesif the speed of the ...
Monday, October 3, 2011 at 10:53pm by Ian

Physics
A small block of mass m1 = 0.400 kg is released from rest at the top of a curved-shaped frictionless wedge of mass m2 = 3.00 kg, which sits on a frictionless horizontal surface as in Figure P9.60a. When the block leaves the wedge, its velocity is measured to be v1 = 5.00 m/s ...
Tuesday, October 26, 2010 at 7:22pm by Velocity and Height

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 è = 31.0°) as shown in the figure. Making use of the table below, determine the ...
Monday, March 4, 2013 at 7:31pm by crystal

physics
Two blocks, one 5.0 Kg and the other 2.0 Kg are suspended from a pulley such that the 5.0 Kg block is 4.0 m above the 2.0 Kg block and 5.0 m above the floor. The blocks are released from rest. a. At the moment that the two blocks pass each other, what are their speeds? b. Just...
Thursday, November 18, 2010 at 1:14am by Anonymous

physics
the system is in static equilibrium. The coefficient of static friction between the block and the table's surface is = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan theta = n2. What is the minimum value of ...
Saturday, January 14, 2012 at 4:35pm by frank

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 á = 35.3 degrees and â = 56.7 degrees. Both...
Monday, October 17, 2011 at 9:24am by Jimmy

Physics
A 4.4 kg block is pushed along the ceiling with a constant applied force of 89 N that acts at an angle of 55.0° with the horizontal, as in Figure 4-33. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction between the block and the ...
Friday, December 2, 2011 at 3:15pm by Kashawn

physics
A 4.8 kg block is pushed along the ceiling with a constant applied force of 87 N that acts at an angle of 55.0° with the horizontal, as in Figure 4-33. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction between the block and the ...
Sunday, December 5, 2010 at 5:23pm by Corey

Physics
I am second guessing myself A 4 kg block and a 45 kg block are placed side-by-side at the top of a frictionless ramp. Each is given a very light tap to begin their race to the bottom of the hill. In the absence of air resistance a. the 4 kg block wins the race. b. the 45 kg ...
Friday, December 9, 2011 at 2:49pm by Anonymous

physics
The 100 kg block in figure takes 7.00s to reach the floor after being released from rest. What is the mass of the block on the left?
Friday, September 26, 2008 at 9:08am by Jennifer

Physics - Mechanics and Ocsillatory Motion
An 8.70 kg block slides with an initial speed of 1.56 m/s up a ramp inclined at an angle of 28.4 with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.62. Use energy conservation to find the distance the block slides before coming to rest...
Wednesday, November 10, 2010 at 9:35pm by Sara

physics
A 4 kg block and a 45 kg block are placed side-by-side at the top of a frictionless ramp. Each is given a very light tap to begin their race to the bottom of the hill. In the absence of air resistance a. the 4 kg block wins the race. b. the 45 kg block wins the race. c. the ...
Friday, December 9, 2011 at 7:33pm by Anonymous

physic
The figure shows a block P on top of another block Q. The two blocks are connected by a string which passes over a fixed smooth pulley. The mass of P is 0.20 kg and the mass of Q is 0.50 kg. The coefficient of static friction between blocks P and Q is 0.5 and between Q and the...
Wednesday, August 8, 2012 at 11:18pm by Anonymous

Physics
A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 200 N/m. The spring is unstretched when the 30.0 kg block is 20.0 cm above the...
Tuesday, March 3, 2009 at 11:05am by mightymouse

physics
A disk with a mass of 16 kg and a radius of 41 cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 70-kg block, as shown in the figure. Find the acceleration of the block, assuming that the string does not slip.
Wednesday, November 7, 2012 at 2:02pm by ravi

physics
A disk with a mass of 29 kg and a radius of 31 cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 70-kg block, as shown in the figure. Find the acceleration of the block, assuming that the string does not slip.
Friday, March 25, 2011 at 7:15pm by Anonymous

Physics
A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is 3.35 m/s, ...
Thursday, October 28, 2010 at 10:47pm by Sam

physicss help!
m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in the figure above. The other side is connected to the block m2 = 3.6 kg that hangs vertically. The system starts from rest with the spring unextended...
Wednesday, November 2, 2011 at 5:58pm by joe

physics
m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in the figure above. The other side is connected to the block m2 = 3.6 kg that hangs vertically. The system starts from rest with the spring unextended...
Wednesday, November 2, 2011 at 5:28pm by joe

physics
A 3.60 kg block is pushed along the ceiling with an constant applied force of F = 75.5 N that acts at an angle θ = 61° with the horizontal, as in the figure below. The block accelerates to the right at 5.76 m/s2. Determine the coefficient of kinetic friction ...
Sunday, December 11, 2011 at 6:53pm by Lexi

introductory physics
A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is 4.50 m/s, ...
Thursday, December 15, 2011 at 6:55pm by Jessie

Physics
A block of mass m = 5.9 kg is pulled up a è = 21° incline as in the figure with a force of magnitude F = 34 N. (a) Find the acceleration of the block if the incline is frictionless. 1 Your response differs from the correct answer by more than 10%. Double check your ...
Friday, October 7, 2011 at 8:01pm by Imani

Physics
A 60 kg block slides along the top of a 100 kg block with an acceleration of 3.0 m/s2 when a horizontal force F of 320 N is applied. The 100 kg block sits on a horizontal frictionless surface, but there is friction between the two blocks. (a) Find the coefficient of kinetic ...
Wednesday, October 12, 2011 at 5:43pm by Henry

physics
A 3.39 kg block is placed on top of a 11.8 kg block. A horizontal force of F = 61.3 N is applied to the 11.8 kg block, and the 3.39 kg block is tied to the wall. The coeﬃcient of kinetic friction between all moving surfaces is 0.112. There is friction both between ...
Thursday, October 4, 2012 at 9:53pm by Anonymous

Physics
A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the block and the table?
Tuesday, February 21, 2012 at 5:16pm by Steve

Physics
Three blocks of masses 1.0, 2.0, and 4.0 kilograms are connected by massless strings, one of which passes over a frictionless pulley of negligible mass, as shown above. Calculate each of the following. a. The acceleration of the 4 kilogram block b. The tension in the string ...
Sunday, February 28, 2010 at 4:46pm by Kate

physics
A 1.16 kg block and a 2.32 kg block are initially at rest on a frictionless, horizontal surface, with a compressed spring of negligible mass between them. When the blocks are released, they move off in opposite directions. If the final velocity of the 1.16 kg block is 3.20 m/s...
Wednesday, October 17, 2012 at 5:22pm by koko

Physics
A block P of mass 2.75 kg is lying on a rough inclined plane of angle è=0.87 radians. Block P is attached via a model string that passes over a model pulley to a second block Q of unknown mass M kg hanging vertically. The coefficient of static friction between the block...
Tuesday, March 6, 2012 at 8:31am by Anonymous

physics
A 5.11-kg pendulum bob, at a height of 0.730 m above the floor, is released and swings down to the ground where it collides elastically with a 2.29 kg block initially at rest. The block then slides up a 31.0° incline. Find how high up the incline the block will slide if (a...
Wednesday, April 3, 2013 at 12:23pm by patt

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?
Monday, February 21, 2011 at 5:40pm by Ben

Physics
Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.120 kg, initially moves to the right at a speed of 4.90 m/s, while the second block, of mass 0.240 kg, is initially to the left of the first block and moving to the right at 7.40 m/s. ...
Thursday, October 18, 2012 at 9:50am by pat

physics
A 3.40 kg block is pushed along the ceiling with an constant applied force of F = 82.0 N that acts at an angle θ = 50° with the horizontal, as in the figure below. The block accelerates to the right at 5.80 m/s2. Determine the coefficient of kinetic friction ...
Saturday, January 12, 2013 at 8:59pm by Amy Lee

Physics
In the figure below, m1 = 3.8 kg, m2 = 5.2 kg, and the coefficient of kinetic friction between the inclined plane and the 3.8-kg block is μk = 0.3. Find the magnitude of the acceleration of the masses and the tension in the cord.
Wednesday, September 26, 2012 at 8:24pm by Tara

Physics
A student, crazed by final exams, uses a force of magnitude 86 N and angle θ = 61° to push a 5.2 kg block across the ceiling of his room, as in Figure 6-52. If the coefficient of kinetic friction between the block and the ceiling is 0.34, what is the magnitude of ...
Monday, October 24, 2011 at 12:55am by Ted

Physics
A small bug is nestled between a 1-kg block and a 2-kg block on a frictionless table. A horizontal force can be applied to either of the blocks as shown in figure Q5.24 (i) In which situation illustrated in the figure (a) or (b), does the bug have a better chance of survival, ...
Tuesday, September 18, 2012 at 5:31pm by Avery

physics
The density of an unspecified material is 3.27 g/cm (cubed) . if the mass of a block of this material is 10.9kg, what is the volume of the block in cubic meters? A Wooden block is pulled to the right across a level surface at a constant velocity by a force of 47 Newtons, the ...
Thursday, May 24, 2012 at 5:03pm by Jen

physics
A 5.56 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 10.7 N at an angle theta = 17.0° above the horizontal, as shown in the Figure. The coefficient of kinetic friction between the block and the floor is 0.06. What is the speed of the ...
Thursday, January 3, 2013 at 7:25pm by jim

Physics
Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.107 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.214 kg, is initially to the left of the first block and moving to the right at 6.80 m/s. ...
Thursday, October 18, 2012 at 12:08am by koko

Physics
a 5 kg block with a speed of 3 m/s collides with a 10 kg block that has a speed of 2 m/s in the same direction. After the collision, the 10 kg block is observed to be traveling in the original direction with a speed of 2.5 m/s. a) what is the speed of the 5 kg block ...
Sunday, January 13, 2008 at 10:22pm by Sarah

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. ...
Tuesday, October 16, 2012 at 1:03am by Alyssa

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