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April 18, 2014

Search: A crate at rest is pushed horizontally with a constant force of 82.61 N for a distance of 3.66 m across a rough floor. The friction between the crate and the floor is a constant 28.84 N. How much kinetic energy is gained by the crate?

Number of results: 29,837

Physics
A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the crate speeding up at a constant rate of 3.89 m/s2. After a while, the crate is no longer being pushed and the crate slows down at a constant rate of 5...
Friday, January 25, 2013 at 6:27pm by Lyn

Physics
A 46.6 kg crate is at rest on a level floor, and te coefficient of kinetic friction is 0.32. The acceleration of gravity is 9.8M/s^2. If the crate is pushed horizontally with a force of 201.67 N, how far does it move in 3.42s? Answer in units of m
Tuesday, January 22, 2013 at 8:03pm by Cynthia

physics
a man applies a force of 220 N horizontally to the right against a 50 kg crate. the force of friction between the crate and the floor is 200 N. if the crate is pushed 2.0 m, the work done is.... What formula would be applicable?
Sunday, December 4, 2011 at 9:56pm by Connor

Physics
A 225-kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
Wednesday, April 14, 2010 at 11:48am by Nathan

physics
A 250-kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
Monday, October 18, 2010 at 6:34pm by das

physics
A 250-kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
Monday, October 18, 2010 at 6:34pm by Lucy

Physics
A 225-kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate
Wednesday, April 14, 2010 at 11:48am by ray

Physics
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
Saturday, November 17, 2012 at 8:06pm by Danny

Physics
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
Saturday, November 17, 2012 at 8:59pm by Caleb

Physics
a 254-kg crate is pushed horizontally with a force of 740 N. if the coefficient of friction is .20, calculate the acceleration of the crate
Thursday, November 29, 2012 at 10:04pm by Annie

Physics
5.A crate with a mass of 100kg accelerates with a magnitude of 2.0 m/s2 when it is pushed with a 250N. a.What is magnitude of the force of friction opposing this motion? b.What is the normal force of the crate? c.Using a and b, find the coefficient of friction. d.If the crate ...
Monday, June 20, 2011 at 9:01pm by Hunter

PHYSICS
A crate is pushed horizontally with a force. The acceleration of gravity is 9.8 m/s2 . Calculate the acceleration of the crate. Answer in units of m/s2 1570 N 198 kg μ = 0.44
Wednesday, December 18, 2013 at 4:33pm by RACHEL

physics
A crate of mass 20 kg is pushed up a frictionless ramp by a person as shown in the figure below. Calculate the work done by the person in pushing the crate a distance of 15 m as measured along the ramp. Assume the crate moves at a constant velocity.
Sunday, November 21, 2010 at 3:46pm by Warren

physics
A crate of mass 32 kg is pushed up a frictionless ramp by a person as shown in the figure below. Calculate the work done by the person in pushing the crate a distance of 25 m as measured along the ramp. Assume the crate moves at a constant velocity.
Sunday, November 21, 2010 at 3:46pm by Jess

physics
A crate of mass 32 kg is pushed up a frictionless ramp by a person as shown in the figure below. Calculate the work done by the person in pushing the crate a distance of 25 m as measured along the ramp. Assume the crate moves at a constant velocity.
Sunday, November 21, 2010 at 3:46pm by Jess

Physics
A crate of mass 29 kg is pushed up a ramp by a person as shown in the figure below. The person pushes the crate a distance of 25 m as measured along the ramp. Assume the crate moves at constant velocity. Assume the coefficient of kinetic friction between the crate and the ramp...
Wednesday, July 11, 2012 at 10:45am by Sierra

Physics 1
A crate of mass 48 kg is pushed up a frictionless ramp by a person as shown in the figure below. Calculate the work done by the person in pushing the crate a distance of 11 m as measured along the ramp. Assume the crate moves at constant velocity. _____J
Monday, October 8, 2012 at 8:30pm by John

Repost-Physics 1
A crate of mass 48 kg is pushed up a frictionless ramp by a person as shown in the figure below. Calculate the work done by the person in pushing the crate a distance of 11 m as measured along the ramp. Assume the crate moves at constant velocity. _____J
Tuesday, October 9, 2012 at 9:22pm by John

Physics
A force of 310 N is applied horizontally to a crate in order to displace the crate 45.0 m across a level floor at a constant velocity. As a result of this work, the crate's internal energy is increased by an amount equal to 12 percent of the crate's initial internal energy. ...
Tuesday, December 4, 2012 at 5:14pm by Casey

Physics
A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic frication between the crate and the floor is 0.23. (a) What magnitude of force must the worker apply? (b) How much work is done on the...
Wednesday, November 2, 2011 at 9:00am by Abdul Waheed

Physics
Question # 1 Marks = 12 A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic frication between the crate and the floor is 0.23. (a) What magnitude of force must the worker apply? (b) How ...
Tuesday, November 1, 2011 at 12:52pm by M. Yousaf Khan

Physics
A 290- kg crate hangs from the end of a 14.0 m long rope. You pull horizontally with a varying force to move it a distance d = 4.9 m to the right. 1.What is the magnitude of the applied force F when the crate is at rest in its final position? 2.What is the work done by the ...
Saturday, October 27, 2007 at 6:53pm by Holley

Physics
A 290- kg crate hangs from the end of a 14.0 m long rope. You pull horizontally with a varying force to move it a distance d = 4.9 m to the right. 1.What is the magnitude of the applied force F when the crate is at rest in its final position? 2.What is the work done by the ...
Saturday, October 27, 2007 at 8:26pm by Holley

Physics
A crate of mass 50.0 kg rests on a flat surface, and there is a coefficient of static friction of 0.200 between the crate and the surface. A person pushed on the crate with a force of 5.00 N at an angle of 25.0 degrees below the horizontal. Will the crate move? If it does move...
Wednesday, September 26, 2012 at 12:37pm by Tiffany

physics
A large wooden crate is pushed along a smooth, frictionless surface by a force of 87 N. The acceleration of the crate is measured to be 2.0 m/s2. What is the mass of the crate?
Thursday, February 17, 2011 at 10:21am by mayrel

physics
A 50 kg crate is pushed at constant speed up the frictionless 31 ramp shown in the figure. A)What horizontal force F is required? B)What force is exerted by the ramp on the crate?
Tuesday, February 21, 2012 at 5:07pm by Steve

physics
A)A 90 kg crate is pushed at constant speed up the frictionless 34 ramp shown in the figure. What horizontal force F is required? B)What force is exerted by the ramp on the crate?
Wednesday, February 12, 2014 at 10:02am by Tsion

physics
A 220 N crate is pushed along the ground with a horizontal force. The coefficient of kinetic friction is 0.21 and the coefficient of static friction is 0.31. The crate moves at a constant speed of 4.1 m/s. a) Draw a free-body diagram for the crate. b) What is the size of the ...
Tuesday, November 15, 2011 at 6:25pm by Kelsey

Physics
A truck carrying a 65.4 kg crate accelerates from rest to 53.9 km/h on a flat horizontal surface in 15.2 seconds. The crate does not slip in the truck bed. The acceleration was not constant. How much work was done on the crate by the truck?
Tuesday, October 9, 2012 at 8:08pm by Anonymous

Physics
1.A 24 kg crate initially at rest on a horizon floor requires a 75 N horizontal force to set it in motion, once the crate is in motion, a horizontal force 53 N keeps the crate moving with a constant velocity. Find the coefficient of kinetic friction, between the floor and crate.
Monday, October 19, 2009 at 6:58pm by Bob

physics
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 210 N at an angle of 20.0 below the horizontal, as shown in the figure (a) below (a) What is the coefficient of kinetic friction between the crate and the floor
Wednesday, September 28, 2011 at 8:39pm by Sam

physics
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0) by a horizontal force F. What is the magnitude of F? What is the magnitude of the force exerted by the ramp on the crate?
Wednesday, October 20, 2010 at 9:56pm by jim

physics
Starting from rest, a crate of mass m is pushed up a frictionless slope of angle (theta) by a horizontal force of magnitude F. Use work and energy to find an expression for the crate's speed v when it is at height h above the bottom of the slope. Express your answer in terms ...
Saturday, November 10, 2012 at 11:39pm by Ohimai

Physics
A worker applies a constant force of magnitude F = 339 N on a crate in a direction = 26.1o above the horizontal as he pulls it across a level floor through a distance of s = 7.20 m. The mass of the crate is m = 53 kg and the coefficient of kinetic friction between the floor ...
Tuesday, December 18, 2012 at 7:03pm by Sara H

Physics
A 1000N crate is being pushed across a level floor at a constant speed by a force F of 300N at an angle of 20.0 degrees. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 300-N force is instead pulling the block at an angle of 20.0 ...
Thursday, November 14, 2013 at 6:39pm by DROSP

Physics
A 1000N crate is being pushed across a level floor at a constant speed by a force F of 300N at an angle of 20.0 degrees. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 300-N force is instead pulling the block at an angle of 20.0 ...
Friday, November 15, 2013 at 7:15pm by DROSP

Dynamics
The man slides the 100-kg crate across force of 200 N. If the crate was initially at rest, how far will the crate move before its speed is 1 m/s? The coefficient of kinetic friction between the crate and the floor is 0.18. The man is pulling the crate at a 20 degree angle.
Monday, March 17, 2014 at 7:07am by Ivan

Physics
HELP! I'm doing a webassign, and am completley lost on these problems. If you could help with any, that would be great. A crate weighing 9.40 103 N is pulled up a 36 incline by a force parallel to the plane. If the coefficient of kinetic friction between the crate and the ...
Wednesday, September 22, 2010 at 5:14am by Tom

physics
The drawing shows a 20.1-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, and , are applied to the crate, and it begins to move.The coefficient of kinetic friction between the crate and the floor is k = 0.385. ...
Monday, October 4, 2010 at 11:07pm by Anonymous

PHYSICs
The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is k = 0.324. Determine ...
Wednesday, February 2, 2011 at 7:07pm by Tiffany

physics
A large crate filled with physics laboratory equipment must be moved up an incline onto a truck. 1. The crate is at rest on the incline. What can you say about the force of friction acting on the crate? 2.A physicist attempts to push the crate up the incline. The physicist ...
Tuesday, February 1, 2011 at 9:04pm by madaline

physics
A 1,040-N crate is being pushed across a level floor at a constant speed by a force of 350 N at an angle of 20.0 below the horizontal; (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 350-N force is instead pulling the block at an ...
Thursday, March 15, 2012 at 9:46am by kevin

Physics
a 36.1 N crate is resting on the floor. When you push horizontally on the crate with a force of 16.9 N, it accelerates at 0.15 m/s2. How large is the frictional force acting on the crate?
Monday, November 22, 2010 at 4:35pm by Maredith

physics
A crate pushed along the floor with velocity \vec{v} _{i} slides a distance d after the pushing force is removed.If the mass of the crate is doubled but the initial velocity is not changed, what distance does the crate slide before stopping?
Monday, October 22, 2012 at 11:03pm by nhan

Physics
drawing shows a 25.0-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, and , are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is mk = 0.350. ...
Friday, November 13, 2009 at 6:03am by Litany

physics
The drawing shows a 25.1-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, 1 and 2, are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is μk = 0...
Tuesday, October 1, 2013 at 10:12pm by help please

Physics
The crate, m=68kg, is pushed up an incline, θ=24degrees, at a constant velocity with Fp=500N. μk=?
Sunday, January 13, 2013 at 9:51am by Charlie

physics
A 1100 N crate is being pushed across a level floor at a constant speed by a force of 500 N at an angle of 20.0 below the horizontal. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 500 N force is instead pulling the block at an ...
Wednesday, October 20, 2010 at 5:42pm by laven

physical aspects of nature
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0 below the horizontal; (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 250-N force is instead pulling the block at an ...
Thursday, March 15, 2012 at 9:33am by greg

Physics
I was wondering if my answers are correct. Thanks in advance. 1. A boy pushes down on a car rolling horizontally down the road. The boy pushes down vertically with 10N of force as the car rolls 3.0m horizontally. What work is done? my answer: 30 Nm (or would it be -30Nm?) 2...
Monday, February 3, 2014 at 12:16pm by Liz

Physics
a 5 kg crate falls from a height of 2.0 m into an industrial spring scale. When the crate comes to rest the compression of the spring is 24 cm. what is the spring constant?
Friday, April 4, 2014 at 4:09pm by Valerie

physics
If Frankie the kangaroo climbed out of the crate and pushed the crate with a mighty 12 newtons of force against the efforts of Fred and the man (each applying 10 newtons of force), what would be the net force on the crate from all the pushing?
Wednesday, October 13, 2010 at 9:50am by ...

physics
A large crate weighing 850 N is slid across the floor of a shop. To move the crate 15 m at a steady spead of 10 cm/s, a constant horizontal force of 80 N is applied to the crate. How much work was done in moving the crate?
Tuesday, November 23, 2010 at 9:33pm by Rashad

physics
If Frankie the kangaroo climbed out of the crate and pushed the crate with a mighty 12 newtons of force against the efforts of Fred and the man (each applying 10 newtons of force), what would be the net force on the crate from all the pushing?
Wednesday, October 13, 2010 at 9:50am by tyler mazzaro

physics
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0) by a horizontal force F. What is the magnitude of F?
Thursday, October 7, 2010 at 10:42pm by jim

physics
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate. The crate slides down a long ramp that is inclined at an angle of 38∘ above the horizontal. The crate has mass 171kg . You are sitting inside the crate (with ...
Saturday, January 18, 2014 at 1:27am by vamm

Physics
juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the delta x is 1.3m. ...
Wednesday, May 11, 2011 at 1:09pm by Mark

physics
juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the delta x is 1.3m. ...
Wednesday, May 11, 2011 at 9:47pm by Mark

physics
A dockworker loading crates on a ship finds that a 24 kg crate, initially at rest on a horizontal surface, requires a 79 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving with a constant ...
Thursday, September 30, 2010 at 11:04pm by Malcolm

physics
A dockworker loading crates on a ship finds that a 25 kg crate, initially at rest on a horizontal surface, requires a 84 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 50 N is required to keep it moving with a constant ...
Monday, February 28, 2011 at 11:37pm by polo Q

Physics
A dockworker loading crates on a ship finds that a 23-kg crate, initially at rest on a horizontal surface, requires a 75-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 50 N is required to keep it moving with a constant ...
Tuesday, March 6, 2012 at 11:56am by Anonymous

Physics
A dockworker loading crates on a ship finds that a 19-kg crate, initially at rest on a horizontal surface, requires a 70-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving with a constant ...
Tuesday, October 4, 2011 at 10:40pm by Ricky

Physics
A dockworker loading crates on a ship finds that a 22-kg crate, initially at rest on a horizontal surface, requires a 80-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 59 N is required to keep it moving with a constant ...
Tuesday, October 9, 2012 at 10:51pm by Kelly

Physics
A dockworker loading crates on a ship finds that a 22-kg crate, initially at rest on a horizontal surface, requires a 80-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 59 N is required to keep it moving with a constant ...
Tuesday, October 9, 2012 at 10:55pm by Kelly

Physics
A dockworker loading crates on a ship finds that a 22-kg crate, initially at rest on a horizontal surface, requires a 76-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 59 N is required to keep it moving with a constant ...
Monday, March 25, 2013 at 11:53am by Sally

pysics
A dockworker loading crates on a ship finds that a 17-kg crate, initially at rest on a horizontal surface, requires a 71-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving with a constant ...
Tuesday, October 1, 2013 at 6:13pm by kassidy

physics
A dockworker loading crates on a ship finds that a 19-kg crate, initially at rest on a horizontal surface, requires a 83-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 53 N is required to keep it moving with a constant ...
Wednesday, October 23, 2013 at 12:09am by Anonymous

physics
The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, F1=88N and F2=54N, are applied to the crate, and it begins to move. The angle is 55 degrees. The coefficient of kinetic friction between ...
Thursday, February 3, 2011 at 7:28pm by Tiffany

physics (typo)
A dockworker loading crates on a ship finds that a 20 kg crate, initially at rest on horizontal surface requires a 75N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving with a constant speed. ...
Sunday, October 14, 2007 at 10:45am by Anonymous

physics
A dockworker loading crates on a ship finds that a 20 kg crate, initially at rest on a horizontal surface, requires a 73 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 50 N is required to keep it moving with a constant ...
Wednesday, December 7, 2011 at 8:55pm by ann

physics
A crate of mass m (=40 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 30o) above horizontal. a.) The force of gravity on the crate is: b.) The normal force on the crate is: size: N c.) The net force on the crate is: size: N direction: d.) How ...
Tuesday, September 23, 2008 at 11:44pm by kelsey

Physics Homework
The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, F1=88N and F2=54N, are applied to the crate, and it begins to move. The angle is 55 degrees. The coefficient of kinetic friction between the...
Wednesday, February 2, 2011 at 8:25pm by Tiffany

Physics
1. To move a large crate across a rough floor, you push on it with a force F at an angle of 21 below the horizontal. The mass of the crate is 32.0 kg. The coefficients of static and kinetic friction are 0.62 and 0.42 respectively. (a) What force F is required to start the ...
Sunday, February 24, 2013 at 11:55am by Meder

physics
A 1,080-N crate is being pushed across a level floor at a constant speed by a force of 290 N at an angle of 20.0 below the horizontal, as shown in the figure (a) below. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 290-N force is ...
Tuesday, October 2, 2012 at 6:04pm by monic

Physics
A rope exerts a constant horizontal force of 203N pulling a 68-kg crate across the floor. The velocity of the crate is observed to increase from 3m/s to 5m/s in a time of 4 seconds under the influence of this force and the frictional force exerted by the floor on the crate. ...
Friday, June 21, 2013 at 7:31pm by Tim

Phsyics
A 110- crate, starting from rest, is pulled across a floor with a constant horizontal force of 380 . For the first 11 the floor is frictionless, and for the next 11 the coefficient of friction is 0.33.What is the final speed of the crate?
Monday, November 28, 2011 at 1:03pm by sarah

physics
an aeroplane is travelling horizontally at a speed of 80ms and drops a crate of emergency supplies.To avoid damage,the max vertical speed of the crate on landing is 20ms. a)calc d max height of the aeroplane when the crate is dropped b)calc d time taken for the crate to reach ...
Thursday, January 19, 2012 at 2:59pm by Shanti

physics
A dock worker loading crates on a ship finds that a 25 kg crate, initially at rest on a hori- zontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 51 N is required to keep it moving with a constant ...
Monday, March 14, 2011 at 11:02pm by Sara

College Physics
A cubic crate of side s=2.0m is top-heavy: its CG is 18cm above its true center. Part A) How steep an incline can the crate rest on without tipping over? Part B) What would your answer be if the crate were to slide at constant speed down the plane without tipping over? (The ...
Saturday, April 20, 2013 at 12:01am by Andrew

physical science
A worker pushes horizontally on a large crate with a force of 312 N, and the crate is moved 6.5 m. How much work was done?
Saturday, February 11, 2012 at 6:38pm by Anonymous

physics
A 150 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 21 m the floor is frictionless, and for the next 21 m the coefficient of friction is 0.30. What is the final speed of the crate?
Sunday, November 8, 2009 at 6:30pm by Anonymous

PHYSICS
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 450 N. For the first 11 m the floor is frictionless, and for the next 11 m the coefficient of friction is 0.30. What is the final speed of the crate?
Wednesday, March 17, 2010 at 11:58am by REESE

physics
A 120 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the floor is frictionless, and for the next 17 m the coefficient of friction is 0.34. What is the final speed of the crate?
Monday, October 4, 2010 at 6:17pm by Kim

physics
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the floor is frictionless, and for the next 17 m the coefficient of friction is 0.34. What is the final speed of the crate?
Tuesday, October 5, 2010 at 9:20am by Kim

physics
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the floor is frictionless, and for the next 17 m the coefficient of friction is 0.34. What is the final speed of the crate?
Tuesday, October 5, 2010 at 10:14am by josh

Physics
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the floor is frictionless, and for the next 17 m the coefficient of friction is 0.34. What is the final speed of the crate?
Tuesday, October 5, 2010 at 11:55am by amanda

PHYSICS ---HELP!
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the floor is frictionless, and for the next 17 m the coefficient of friction is 0.34. What is the final speed of the crate?
Wednesday, October 6, 2010 at 11:17am by Leila

physics
A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 13 m the floor is frictionless, and for the next 13 m the coefficient of friction is 0.35. What is the final speed of the crate?
Wednesday, April 6, 2011 at 5:27pm by Cara

Physics
A 100 lb crate is being pushed across a wooden floor with a force of 40 lb. If mu=0.3, find the acceleration of the crate.
Monday, January 30, 2012 at 6:58am by Maria Ellah

Physics
A 1200-N crate is being pushed across a level floor at a constant speed by a force of 260 N at an angle of 20.0 below the horizontal. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 260 N force is instead pulling the block at an ...
Sunday, September 18, 2011 at 9:01pm by Elaine Jetton

physics
a crate of mass m=100k is pushed at constant speed up a frictionless ramp of angel 30 by horizontal force .what are the magnitude of force
Thursday, November 4, 2010 at 2:36pm by Anonymous

college physics
A cubic crate of side s = 2.5m is top-heavy: its CG is 19cm above its true center. Part A How steep an incline can the crate rest on without tipping over? Part B What would your answer be if the crate were to slide at constant speed down the plane without tipping over? [Hint: ...
Saturday, December 1, 2012 at 1:16pm by chris

physics
52.(52G) A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 350 N. For the first 15 m the floor is frictionless, and for the next 15 m the coefficient of friction is 0.30. What is the final speed of the crate?
Sunday, March 23, 2014 at 7:39pm by Martha

Physics
A dock worker loading crates on a ship finds that a 18 kg crate, initially at rest on a horizontal surface, requires a 71 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 46 N is required to keep it moving with a ...
Thursday, March 21, 2013 at 5:44pm by Aaron

physics
A dock worker loading crates on a ship finds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving with a ...
Tuesday, December 3, 2013 at 7:09pm by sam

physics
A dock worker loading crates on a ship finds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving with a ...
Tuesday, December 3, 2013 at 7:09pm by sam

Physics
A crate full of artichokes rests on a ramp that is inclined 10.0 above the horizontal. Give the direction of the normal force and the friction force acting on the crate in each of these situations. (a) The crate is at rest. Normal Force : 1.perpendicular to and away from the...
Monday, February 22, 2010 at 7:13pm by Max

physics
A 230 kg steel crate is being pushed along a cement floor. The force of friction is 480 N to the left and the applied force is 1860 N to the right. What is the acceleration of the crate?
Wednesday, January 29, 2014 at 3:25pm by roman

physics
A 1,440-N crate is being pushed across a level floor at a constant speed by a force vector F of 380 N at an angle of 20.0 below the horizontal, as shown in the figure (a) below. (a) What is the coefficient of kinetic friction between the crate and the floor? μk = Correct...
Friday, October 12, 2012 at 7:18pm by Uzy

physics
a crate mass 20 kg is being pushed by a person with horizontal force of 63 N, moving with a constant velocity [E]. find the force of kinetic friction.
Monday, December 17, 2012 at 6:03pm by heaaaavy

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