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October 20, 2014

Search: A solid block of mass m2 = 1.5 kg, at rest on a horizontal frictionless surface, is

Number of results: 44,493

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, ...
February 14, 2011 by vm

AP PHYSICS MECH.
A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 440 m/s. A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless ...
February 12, 2011 by vm

Physics
Hello. I'm having difficulty with this question In the diagram, the coefficient of kinetic friction between the 2.00 kg and the 3.00 kg blocks is 0.300. The horizontal surface and the pulleys are frictionless, and the masses are released from rest. (a) Draw a free body diagram...
October 20, 2012 by Priya

physics
An 8 g bullet is shot into a 4.0 kg block, at rest on a frictionless horizontal surface. The bullet remains lodged in the block. The block moves into a spring and compresses it by 3.7 cm. The force constant of the spring is 2500 N/m. In the figure, the initial velocity of the ...
March 31, 2014 by Georgey

Physics
An object with a mass of 20.1 kg is hung from two identical springs vertical. The springs both stretch 0.23 meters from equilibrium with the attached mass. One of the those springs is placed on a horizontal surface without friction and the mass of 20.1 kg is held still next to...
November 15, 2012 by Chelsea

physics
A constant horizontal force of 20n pulls a wooden block with a mass of 4kg over a distance of 0,8m on a horizontal frictionless surface.calculate the work done by the force.
June 26, 2010 by heron

Physics-Linear momentum
A block of mass m = 2.60 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 6.80 kg which is at rest on a horizontal surface, Fig. 7-46. (Assume a smooth transition at the bottom of the incline, an elastic collision, and ignore ...
November 21, 2010 by Joe

physics
a 2.00 kg block is attached to a spring of force constant 500 N/m. The block is pulled 5.00 cm to the right of equilibrium and released from rest. Find the speed of the block as it passes through equilibrium if a) the horizontal surface is frictionless and b) the coefficient ...
March 7, 2007 by Jean

physics
1. An object of mass m and initial speed v0 sliding on a horizontal frictionless surface encounters a frictionless ramp. To what vertical height will the object rise before coming to rest?
November 3, 2010 by derek

Physics (Algebra-based)
A block starts at rest and slides down a frictionless track except for a small rough area on a horizontal section of the track.It leaves the track horizontally, flies through the air, and subsequently strikes the ground. gravity= 9.81 m/s^2. height1=4.1m---- is initially ...
April 6, 2013 by Becky

Physics
A small block on a frictionless surface has a mass of 70 g. It is attached to a massless string passing through a hole in a horizontal surface (see diagram). The block is originally rotating in a circle of radius 45 cm with angular speed 0.80 rad/s. The string is then pulled ...
March 24, 2014 by Luke

Physics
Ok I got a question I asked before except there are other parts that I didn't ask so here we go Three blocks on a frictionless horizontal surface are in contact with each other A force F is applied to block 1 (mass m1). Draw a free-body diagram for each block ok I did this the...
July 12, 2009 by Physics

Physics
Block A has a mass of 2.60 kg and rests on a smooth (frictionless) table and is connected to block B, which has a mass of 2.40 kg, after passing over an ideal pulley, as shown. Block B is released from rest. What is the acceleration of the masses?
September 30, 2012 by Anthony

Physics
A 12 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.60, what was the speed of the bullet ...
January 5, 2012 by Nicole

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...
November 2, 2011 by joe

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...
November 2, 2011 by joe

physics
I am having great difficulty with this question. A block is placed on a frictionless ramp at a height of 12.5 m above the ground. Starting from rest, the block slides down the ramp. At the bottom of the ramp, the block slides onto a frictionless horizontal track without ...
October 2, 2014 by Johnny

Physics: mechanics
A 250g bullet with a speed of 500m/s passes through the center of a 1.5kg square wooden block [ side length 18cm] at rest upon a horizontal frictionless surface. As it exits the block, the bullet has a speed of 150m/s. A) find the initial speed of the center of mass of the ...
October 20, 2014 by Michelle

physics
A simple harmonic oscillator consists of a 1.1 kg block attached to a spring (k = 180 N/m). The block slides on a horizontal frictionless surface about the equilibrium point x = 0 with a total mechanical energy of 3.0 J. (a) What is the amplitude of the oscillation? (b) How ...
January 9, 2011 by kylie

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 ...
January 9, 2013 by flay

College Physics
A wheel of radius 0.398 m is mounted on a frictionless horizontal axis. The rotational inertia of the wheel about the axis is 0.0576 kg·m2. A massless cord wrapped around the wheel is attached to a 0.790 kg block that slides on a horizontal frictionless surface. If a ...
July 6, 2012 by Stephanie

physics
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 is fixed on a table of height H = 2.00 m. (a) Determine the acceleration of the block as it slides down...
October 17, 2011 by carlton

Physics
A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to another block of mass 2.25 kg which hangs in the air. Assume the cord to be light (massless and weightless) and unstretchable and the the pulley to ...
February 21, 2014 by Emeera

PHYSICS
Blocks A (mass 2.50 kg) and B (mass 10.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 5.00 m/s. The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the ...
March 30, 2012 by char

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

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...
November 15, 2012 by alice

Physics
A block is pushed across a horizontal surface with a coefficient of kinetic friction of 0.15 by applying a 150 N horizontal force. If the block accelerates at the rate of 2.53 m/s2 (squared), what is the mass of the block?
October 24, 2011 by Chris

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 are ...
November 30, 2012 by Diego

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 are ...
November 30, 2012 by Diane

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 between each block and the horizontal ...
October 26, 2012 by Josh36

physics
A block of mass m = 4 kg slides along a horizontal table when it encounters the free end of a horizontal spring of spring constant k = 14 N/m. The spring is initially on its equilibrium state, defined when its free end is at x=0 . Right before the collision, the block is ...
October 15, 2013 by ss01

physics
A 14 g bullet is fired into a 120 g wooden block initially at rest on a horizontal surface. The acceleration of gravity is 9.8 m/s^2 . After impact, the block slides 6.97 m before coming to rest.If the coefficient of friction between block and surface is 0.568 , ...
October 14, 2011 by adriana

Physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
October 15, 2010 by Jordan

Physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
March 23, 2011 by Jacob

physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
November 4, 2011 by Meagan

physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
October 23, 2012 by John

physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
November 4, 2012 by jim

Physics
A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits a horizontal spring with spring constant 490N/m . The other end of the spring is anchored against a wall. The ground under the spring is frictionless...
June 8, 2014 by Lena

physics
a block with a mass of 3.7 kg slides with a speed of 2.2 m/s on a frictionless surface. the block runs into a stationary spring and compresses it a certain distance before coming to rest. what is the compression distances, given that the spring has a spring constant of 3200 N/m?
February 11, 2014 by Ty

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 horizontal ...
October 26, 2012 by The master

physics
A block of ice of mass 4.10 kg is placed against a horizontal spring that has force constant k = 210 N/m and is compressed a distance 2.60×10−2 m. The spring is released and accelerates the block along a horizontal surface. You can ignore friction and the mass of the ...
October 7, 2010 by ami

Physics
A force of 9.4N pulls horizontally on a 1.2-kg block that slides on a rough, horizontal surface. This block is connected by a horizontal string to a second block of mass m2 = 2.00kg on the same surface. The coefficient of kinetic friction is μk = 0.25 for both blocks. ...
March 18, 2014 by Sally Mae

Physics
A small block on a frictionless horizontal surface has a mass of 2.50×10−2 Kg. It is attached to a massless cord passing through a hole in the surface. The block is originally revolving at a distance of 0.300 m from the hole with an angular speed of 1.75 rad/s. The cord ...
June 25, 2009 by Sarah

physics
A block of mass 3.90 kg is pushed 3.80 m along a frictionless horizontal table by a constant 16.0 N force directed 24.0° below the horizontal. What is th total work done on the block?
October 25, 2010 by gabe

physics
4 kg block rests on a smooth horizontal surface,upper surface of 4 kg is rough.A block of mass 2 kg is placed on its upper surface.The acceleration of upper block with respect to earth when 4 kg mass is pulled by a horizontal force of 30N?coefficient of static friction=0.8 and...
June 4, 2014 by zoha

College Physics
A 26.5 kg block (m1) is on a horizontal surface, connected to a 6.90 kg block (m2) by a massless string. The frictionless pulley has a radius R = 0.096 m and a moment of inertia I=0.080 kgm2 m2 is hanging straight down from the pulley over the edge of the surface. A force F = ...
March 5, 2012 by Anonymous

Physics
A 10.0 g bullet is fired into a 1.0 kg block initially at rest on a rough surface and connected to a spring with k = 200N/m. Immediately following the collision the block has a speed of 2.0 m/s. The coefficient of friction between the ground and the block is 0.10. a) If the ...
November 30, 2010 by Hailey

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
A uniform solid cylinder of mass M and radius R is at rest on a slab of mass m, which in turn rests on a horizontal, frictionless table. If a horizontal force is applied to the slab, it accelerates and the cylinder rolls without slipping. Find the acceleration of the slab in ...
October 8, 2012 by Amjad

chem
How to determine maximum amplitude of oscillation of a system, using the question below? A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f=1.50Hz. Block B rest on it and the coefficient of the static ...
March 31, 2011 by memey

physics
A 1.50-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.07 m/s and compresses it a distance of 12.2 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.577, what is the force...
October 24, 2012 by kay

Physics
A 1.70-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it a distance of 11.3 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.534, what is the ...
October 26, 2012 by Na

physics
A moving 2.8 kg block collides with a horizontal spring whose spring constant is 215 N/m (see figure). The block compresses the spring a maximum distance of 11.5 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal surface is 0.48...
November 23, 2010 by help

physic
Hi!could anyone help me with this problem please because I been trying so many time and did not get it. Greatly appreciate it. Thank. A 11.2 g bullet is fired horizontally into a 94 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m ...
November 2, 2009 by Chan

Physics
A 46.5 kg block sits at rest on a frictionless, horizontal surface. It is connected horizontally, via a massless, ideal spring to a stationary wall. A force is then used to displace and hold the block in a new position (so that the spring is compressed). Then the block is ...
December 4, 2009 by John

Physics
A 2.1 kg block slides with a speed of 1.1 m/s on a frictionless, horizontal surface until it encounters a spring. (a) If the block compresses the spring 5.7 cm before coming to rest, what is the force constant of the spring? (b) What initial speed should the block have to ...
March 30, 2010 by Carden

Physics
A wooden block and a lead ball are connected by a light string that passes over a frictionless pulley. The block has a mass of 6kg and the ball has a mass of 2kg. after they are released from rest, the block will slide along the wooden ramp. a.) which direction will the block ...
October 17, 2010 by Sadie

Physics
A 96.0-g wooden block is initially at rest on a rough horizontal surface when a 11.4-g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient of kinetic friction ...
March 4, 2014 by Ali

Physics
A 96.0-g wooden block is initially at rest on a rough horizontal surface when a 11.4-g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient of kinetic friction ...
March 4, 2014 by Trevor

Physics
A 96.0-g wooden block is initially at rest on a rough horizontal surface when a 11.4-g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient of kinetic friction ...
March 4, 2014 by Wendy

Physics
A 96.0-g wooden block is initially at rest on a rough horizontal surface when a 11.4-g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient of kinetic friction ...
March 5, 2014 by Pilar

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 AP
The spring in the figure has a spring constant of 1000 N/ m. After being compressed by 15 cm it launches a 200 g block out onto a frictionless horizontal surface. The block then moves up an incline, where the coefficient of friction is 0.20, eventually becoming airborne as it ...
April 23, 2014 by Struggler

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...
July 18, 2013 by Mary

physics
Question Part Points Submissions Used 1 2 –/1 –/2 0/3 0/3 Total –/3 A force of 12.8 N pulls horizontally on a 0.9 kg block that slides on a rough, horizontal surface. This block is connected by a horizontal string to a second block of mass m2 = 2.04 kg on the same surface. ...
October 9, 2012 by Anonymous

Physic
The figure below shows a block of mass m resting on a 20ˇă slope. The block has coefficients of friction ¦Ěs = 0.73 and ¦Ěk = 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.
March 3, 2014 by Jason

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. ...
March 12, 2013 by Anonymous

physics
a small block of mass M=0.050 kg is released from rest at the top (h=0.60 m) of the curved frictionless ramp shown above. The block slides down the ramp and collides with a larger block of mass 1.5M=0.075 kg at rest at the bottom of the incline. The larger block moves to the ...
November 13, 2011 by emilyy

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
A horizontal spring attached to a wall has a force constant of 800 N/m. A block of mass 1.10 kg is attached to the spring and oscillates freely on a horizontal, frictionless surface as in the figure below. The initial goal of this problem is to find the velocity at the ...
September 27, 2011 by Anonymous

Physics
Three blocks on a frictionless horizontal surface are in contact with each other, as shown below. A force F is applied to block A (mass mA). (a) Draw a free-body diagram for each block. Determine (b) the acceleration of the system (in terms of mA, mB, mC), (c) the net force on...
October 22, 2010 by Anonymous

physics
A simple harmonic oscillator consists of a 1.1 kg block attached to a spring (k = 180 N/m). The block slides on a horizontal frictionless surface about the equilibrium point x = 0 with a total mechanical energy of 3.0 J. (a) What is the amplitude of the oscillation? (b) How ...
January 9, 2011 by Anonymous

Physics
Two blocks, (Mass of block 1 = 2.3kg, Mass of block 2 = 1.2kg), are in contact on a frictionless table. If a horizontal force of 3.2N is applied to the larger block, what is the acceleration of the smaller block. Describe all external forces that are acting on the two blocks
November 25, 2012 by Tim

Physics
Two blocks, (Mass of block 1 = 2.3kg, Mass of block 2 = 1.2kg), are in contact on a frictionless table. If a horizontal force of 3.2N is applied to the larger block, what is the acceleration of the smaller block. Describe all external forces that are acting on the two blocks
November 25, 2012 by Tim

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. ...
February 20, 2014 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. ...
February 20, 2014 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. ...
February 21, 2014 by Ted

physics
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them. A cord initially holding the blocks together is burned; after this the block of mass 3M ...
October 31, 2009 by Anonymous

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 č is 26 °. If the blocks are released from rest with the connecting cord taut, what is their total kinetic ...
March 22, 2009 by sweety

phsyics
A cart of mass M1 = 6 kg is attached to a block of mass M2 = 3 kg by a string that passes over a frictionless pulley. The system is initially at rest and the table is frictionless. After the block has fallen a distance h = 1 m: What is the work Ws done on the cart by the ...
March 27, 2006 by Jamila

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...
November 3, 2011 by joe

PHYSICS 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...
November 6, 2011 by joe

PHYSICS 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...
November 6, 2011 by joe

Physic
A bullet with a mass of 4.0 g and a speed of 736 m/s is fired at a block of wood with a mass of 0.075 kg. The block rests on a frictionless surface, and is thin enough that the bullet passes completely through it. Immediately after the bullet exits the block, the speed of the ...
October 19, 2012 by Hey

Physics
A 26 bullet strikes and becomes embedded in a 1.35 block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.23, and the impact drives the block a distance of 9.9 before it comes to rest...
October 17, 2010 by Brittanie

physic
A 16 g bullet strikes and becomes embedded in a 1.10 kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.24, and the impact drives the block a distance of 9.9 m before it comes ...
October 20, 2011 by kago

Physics
A 23.0 kg block is initially at rest on a horizontal surface. A horizontal force of 80.0 N is required to set the block in motion. After it is in motion, a horizontal force of 57.0 N is required to keep the block moving with constant speed. Find the coefficients of static and ...
November 2, 2010 by Maria

physics
A(n) 11 g bullet is fired into a(n) 111 g block of wood at rest on a horizontal surface and stays inside. After impact, the block slides 14 m before coming to rest. The acceleration of gravity is 9.8 m/s If the coefficient of friction between the surface and the ...
January 6, 2012 by Jason

physics
A(n) 11 g bullet is fired into a(n) 111 g block of wood at rest on a horizontal surface and stays inside. After impact, the block slides 14 m before coming to rest. The acceleration of gravity is 9.8 m/s If the coefficient of friction between the surface and the ...
January 6, 2012 by Jason

Physics
A(n) 15 g bullet is fired into a(n) 116 g block of wood at rest on a horizontal surface and stays inside. After impact, the block slides 15 m before coming to rest. The acceleration of gravity is 9.8 m/s 2 . If the coefficient of friction between the surface and the...
December 23, 2012 by Anonymous

urgent physics ?
I have drawn my force body diagrams, but I need help making forming the equation for this problem. Any assistance is greatly appreciated! A 60 kg block slides along the top of a 100 kg block. The lighter block has an acceleration of 3.8 m/s2 when a horizontal force F= 390 N is...
October 3, 2014 by stevie

physics emergency
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...
November 4, 2011 by mary

physics
a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A mass-less spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half of its springs ...
January 16, 2011 by sreeram

physics
a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A mass-less spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half of its springs ...
January 16, 2011 by jessy

physics
block a in figure 1 has a mass of 10kg, and block 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 moving with a constant velocity?
January 9, 2013 by flay

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...
November 1, 2010 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...
November 1, 2010 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...
November 4, 2010 by Bella

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 č is 26 °. If the blocks are released from rest with the connecting cord taut, what is their total kinetic ...
March 22, 2009 by nicks

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