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July 30, 2014

Search: A 41.0 crate, starting from rest, is pulled across a floor with a constant horizontal force of 240 . For the first 12.0 the floor is frictionless, and for the next 12.0 the coefficient of friction is 0.17.

Number of results: 15,316

physics
A cable pulls a crate of mass 19.0 kg across the floor in 6.8 s. If the total distance traveled is 5.40 m, find the power used by the cable. w=md 186.2(5.40) w= 1005.48 p=w/t p=1005.48/5.40 answer: 147.9 W
April 3, 2008 by Jon

Physics
An crate weighing 576 N is resting on a plane inclined 29 above the horizontal. The magnitude of the acceleration (ignore friction) is1 m/s2. After 5.00 s, how fast will the crate be moving?
October 16, 2009 by last question! i promise!

Physics
An crate weighing 576 N is resting on a plane inclined 31 above the horizontal. (a) Calculate the magnitude of the acceleration (ignore friction). (b) After 4.50 s, how fast will the crate be moving?
October 18, 2010 by Bloopps

Physics
An crate weighing 510 N is resting on a plane inclined 30 above the horizontal. (a) Calculate the magnitude of the acceleration (ignore friction). m/s2 (b) After 3.00 s, how fast will the crate be moving?
November 17, 2012 by yoyoma

physics
a student could either pull or push , at an angle of 30 deg from the horizontal, a 50-kg crate on a horizontal surface, where the coefficient of kinetic friction between the crate and the surface is .20 the crate is to be moved a horizontial distance of 15-m (a) compared to ...
January 26, 2008 by melissa

physics
A car moves along an x axis through a distance of 900 m, starting at rest (at x = 0) and ending at rest (at x = 900 m). Through the first of that distance, its acceleration is +2.25 m/s2 . Through the rest of that distance, its acceleration is 0.750 m/s2 . Find its maximum...
May 11, 2014 by Anonymous

physics
a loaded cart, mass220-kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?
March 20, 2013 by christian

physics repost
A cable pulls a crate of mass 19.0 kg across the floor in 6.8 s. If the total distance traveled is 5.40 m, find the power used by the cable. w=md 186.2(5.40) w= 1005.48 p=w/t p=1005.48/5.40 answer: 147.9 W
April 4, 2008 by Jon

Physics
At t=0 car A and truck B are 350 m apart on a straight road. Starting from rest car A speeds up with a constant acceleration of 10 m/s^2. Truck B is travelling in the opposite direction with a constant speed of 15 m/s. How far away is car A from its starting point when the two...
February 9, 2010 by Drew

Maths
Can someone help me please this is the passage is.Rich is building a travel crate for his dog, Thomas, a beagle mix who is about 30 inches long, 12 inches wide, and 24 inches tall.For Thomas to travel safely,his crate needs to be a rectangular prism that is about 12 inches ...
May 6, 2014 by Pinks

Physics
This is for physics class. Sally applies 32 N of force at an angle of 22 degrees above the horizontal to a 12 kg crate. Ignoring friction, calculate the horizontal acceleration of the crate? Conceptual: will the acceleration of the crate increase or decrease if the same force ...
January 17, 2013 by Andrew

physics
A box of mass 5.0 kg starting from rest slides down a 1.8 m long ramp inclined at an angle of 22.0 deg. from the horizontal. If the ramp is frictionless, how long will it take the box, starting from rest, to reach the bottom of the ramp? if the frictionless ramp is replaced ...
March 20, 2014 by Yarielis

Physics
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
September 17, 2007 by James

Physics
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
February 13, 2013 by Randy

physics
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
September 15, 2013 by Rachel

Physics
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
February 12, 2014 by Rick

College Physics 1
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
September 17, 2013 by Sara

phy
Two crates, of mass m1 = 60 kg and m2 = 130 kg, are in contact and at rest on a horizontal surface (Fig. 4-54). A 620 N force is exerted on the 60 kg crate. The coefficient of kinetic friction is 0.15.
September 12, 2010 by ami

phy
Two crates, of mass m1 = 60 kg and m2 = 130 kg, are in contact and at rest on a horizontal surface (Fig. 4-54). A 620 N force is exerted on the 60 kg crate. The coefficient of kinetic friction is 0.15.
September 12, 2010 by ami

physics
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
October 12, 2010 by deanna

Physics
a 20kg box is pulled across ahorizontal surface with aforce of 100nt. The coefficient of friction is .3 (a) find the acceleration. (b) how far will the box move in 5 sec. (c) What is the velocity at this time?
January 30, 2011 by bird

Physics
A 25kg crate is sitting at the bottom of an inclined plane. The inclined plane 12m long meets the horizontal at an angle of 15 degrees and has a coefficient of friction of 0.55. A force is applied to the crate so as to slide the crate up the incline at a constant speed. What ...
February 25, 2012 by Rob

math
Suppose that an object attached to a coiled spring is pulled down a distance of 5 inches from its rest position and then released. If the time for one oscillation is 3 seconds, write and equation that relates the displacement d of the object from its rest position after time t...
March 31, 2010 by hey

physics
A crate of mass 55.6 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.330, and the coefficient of kinetic friction is 0.320. (a) The truck accelerates forward on level ground. What is the...
October 4, 2012 by Anonymous

physics
a man is pulling a 100kg crate with a force of 250 newtons. the rope makes a downward angle of 30.0 degrees with the horizontal. if the crate is sliding at a constant rate, calulate the coefficient. ?? how do i do this??
January 10, 2011 by casey

Pre-Calc
A force of 45 pounds is exerted along a rope attached to a crate at an angle of 30 degrees above the horizontal. The crate is moved 22 feet. How much work has been accomplished?
February 13, 2012 by Holly

physics
A 0.2 kg sponge is dropped from rest , pulled down by gravity. How fast will it be traveling in 6.0s , if a 0.5 N force of air resistance acts on it
March 28, 2012 by Isabella

Physics
A 22.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 78.0 N and is directed at an angle of 30.0 above the horizontal. Determine the coefficient of kinetic friction.
September 27, 2012 by Anonymous

Physics
A 24.5-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 77.0 N and is directed at an angle of 30.0 above the horizontal. Determine the coefficient of kinetic friction.
September 26, 2013 by Donna

physical science
A 50 kg crate is lifted to a height of 10 meters.How much potential energy does the crate have begin lifted?
September 7, 2010 by me

physics
At the end of the semester, you are loading your gear into a van to go home. In loading the van, you can either lift a 45.0-kg crate straight up(method 1) or push it up a 3.00-m-long ramp that is inclined at an angle above the horizontal (method 2).In both methods, the crate ...
December 9, 2007 by ajo

science
a 50kg crate is lifted to a height of 10 meters how much potential energy does the crate have after being lifted?
June 18, 2010 by n

physics
A rope is tied on a crate and makes a. 60 deg b. 30 deg with the ground .On what angle be able to move the crate with less force?
October 6, 2011 by marx

physics
- a 40 kf milk crate is placed on a 20◦ ramp. determine the force normal of the mil crate on the ramp.
December 13, 2010 by Anonymous

physics
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.845 m/s encounters a rough horizontal surface of length scripted l = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.357 and he exerts a constant ...
June 3, 2013 by Melissa

physical science
a 50kg crate is lifted to a height of 10 meters. how much potential energy does the crate have after being lifted?
September 22, 2008 by Rosemary

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011 by diana

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011 by diana

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011 by diana

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011 by diana

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
December 18, 2013 by RACHEL

Physics
A 3.0 kg block being pulled across a table by a horizontal force of 80 N also experiences a frictional force of 5 N. What is the acceleration of the block?
July 14, 2010 by Adriana

Physics II Honors
A 23.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 79.0 N and is directed at an angle of 30.0 above the horizontal. Determine the coefficient of kinetic friction.
November 10, 2010 by Anonymous

physics
when a horizontal force of 300N is applied to 75kg crate, it slides on a level floor opposed by a force of friction equal to 95N. what is the acceleration of the crate?
November 25, 2008 by Chelsea

physics
crate weighs 823 N rests on plank that makes a 25 degree angle with the ground. Find components of crate's weight parallel and perpendicular to the plank
November 18, 2010 by Zoe

Physics
The coefficient of static friction between the 3.00 kg crate and the 35.0 degree incline is .300. What minimum force must be applied to the crate from sliding down the incline?
September 28, 2011 by Dee

physical science
how much kinetic enery will the crate have as it fall and hits the floor rasing a 35kg crate a distance of 1.5m above storeroom floor
June 18, 2012 by lora

Science Physics
Madison pushes with a 160-N horizontal force on a 20-kg crate of coffee resting on a warehouse floor. The force of friction on the crate is 80 N. Show that the acceleration is 4 m/s2.
May 17, 2014 by Peg

physics
A 68.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.700 and 0.450, respectively. (a) What horizontal pushing force is required to just start the crate moving?
February 23, 2012 by dee

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
October 5, 2012 by Anonymous

Physics
A man at point A directs his rowboat due north toward point B, straight across a river of width 100 m. The river current is due east. The man starts across, rowing steadily at 2.50 m/s and reaches the other side of the river at point C, 150 m downstream from his starting point...
February 2, 2014 by Marissa

Science
A team of dogs pulled a sled across the snow a distance of 45.5 meters with a horizontal force of 200 newtons. How much work did the team of dogs do?
May 19, 2014 by Anonymous

physics
Two workers are trying to move a heavy crate. One pushes on the crate with a force A, which has a magnitude of 445 N and is directed due west. The other pushes with a force B, which has a magnitude 325 N and is directed due north. What is the direction that the workers push ...
September 20, 2013 by paul

Physics
A crate (weight 381 N) is lowered vertically a distance of 3.0 m by two ropes at a constant speed of 1.2 m/s. The tension in rope A is TA = 248 N; the rope makes an angle of A = 63 with the horizontal. Rope B makes an angle of B = 55 with the horizontal. What is the ...
October 27, 2007 by Monica

physics HELP
a 18.0kg sled being pulled across horizontal surface at constant velocity. pulling force has magnitude of 82.0N and is directed at angle of 30 degree above horizontal. determine coefficient of kinetic friction
November 21, 2010 by hy

Physics
A 27.0kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 71.0N and is directed at an angle of 30.0deg above the horizontal. Determine the coefficient of kinetic friction.
October 15, 2012 by Danielle

Physics
A 20.0 kg crate is pushed across a rough floor for a distance of 90.0 cm. When the force pushing the block is equal to 80.0 N and applied at an angle of 18.0 below horizontal to the block, the block moves at a constant speed of 2.10 m/s. What is the net force on the object?
October 15, 2010 by Diana

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...
February 22, 2010 by Max

physics
A 1.90-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 14.0 N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of the x axis). The object is now released from rest...
January 26, 2011 by Roo Kun

physics
A crate with a mass of 50 kg has a coefficient of static friction with the floor of 0.8 and a coefficient of kinetic friction of 0.25. If it is pushed with a force of 425 N, how long will it take to move it across a 65 meter horizontal floor?
September 30, 2012 by Rebecca

Physics
A crate with a mass of 50 kg has a coefficient of static friction with the floor of 0.8 and a coefficient of kinetic friction of 0.25. If it is pushed with a force of 425 N, how long will it take to move it across a 65 meter horizontal floor?
October 1, 2012 by Katie

physics
A block is pulled to the right across a alevel surface at a constant velocity of a horizontal force of 16 newtons. what is the coefficient of kinetic friction between the block and the surface?
May 24, 2012 by Jen

Physics
The coefficients of static and kinetic friction between a 476 N crate and the ware house floor are 0.615 abd 0.420, repectively. A worker gradually increases his horizontal push against this crate utnil it just begins to move and from them on maintains that same maximum push. ...
June 15, 2009 by Sarah

Physics
A15N crate rests on an ramp , the maximum angle just before it slips is 25 degree with the horizantle , what the coefficient of static friction between the crate and ramp surfaces ?
November 16, 2013 by Maryam

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?
January 29, 2014 by roman

physics
A car starting from rest accelerates uniformly are attaing a speed of 80m/s in 30s it maintains this stedy speed for another 30s. It then slow down uniformly until it comes to rest in the next 40s
February 24, 2012 by adeyemi

physics
A 20kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 80N and is directed at a angle of 30.0degrees above the horizontal. Determine the coefficient of kinetic friction.
February 13, 2012 by Natasha

Physics
Three identical blocks, fastened together by a string, are pulled across a frictionless surface by a constant force. Compare the tension on string A to magnitude of applied force F.
August 5, 2010 by Shaila

physics
a 1300 newton crate slides 14 meters down a ramp that makes an angle of 30 degree with the horizontal. if the crate slides at a constant speed, how much thermal energy is created?
November 13, 2010 by gavin

Physics
A worker pushing a 35.0-kg wooden crate at a constant speed for 13.7 m along a wood floor does 390 J of work applying a constant horizontal force of magnitude F0 on the crate.Determine the value for F0.
November 21, 2011 by raj

physics
A heavy crate accidentally falls from a high flying airplane just as it flies directly above a Porsche parked in a car lot. Relative to the Porsche, where will the crate crash?
February 4, 2013 by william mclaren

physics
You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.15. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s?
November 21, 2009 by christina

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 ...
February 21, 2010 by max

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 ...
February 22, 2010 by Max

Physics
PLEASE HELP! DUE TOMORROW! In a warehouse crates are placed at the top of a ramp and an employee has to slowly (at a constant velocity) lower them down the ramp. Initially the crates are stationary so the employee needs to start them moving by pulling on them and then push ...
March 30, 2014 by Jaime White

Physics
A cheetah starting form rest can reach a maximum speed of 28m.s in 2s and it can maintain this maxium speed for 15s after this it must rest. suppose an antelope and a cheetah initially at rest are seperated by a displcament of magnitude 100m.The antelope and cheetah see each ...
November 11, 2011 by Sivashen

physics
In a series circuit, the voltage across the resistor has an amplitude of 10 V. Across the inductor it is 25 V and across the capacitor it is 9 V. To the nearest tenth, what is the amplitude of the voltage across the whole group?
April 22, 2013 by hannah

physics
A block is pulled across the floor by a pull of 400 N at an angle of 35˚ with the horizontal. The force of the kinetic friction is 150 N, and the block is moved a horizontal distance of 23 m. What is the resultant work?
March 31, 2012 by rahul patel

physics please help!!
find the temperature of the hot reservoir of a carnot engine that has QH=1575j that does work on a 200kg crate, caussing it to go from rest to a velocity of 2.35m/s along the horizontal frictionless surface. Tc=100K
June 26, 2014 by Claire

Physics
please i need help with this question. Initailly at rest, a car (mass=1300kg) accelerates north from a set of traffic lights at a constant rate for 10s. 11s after starting to accelerate it crosses an intersection and is hit by a second car (mass=1224kg) heading west at 65k/h. ...
April 26, 2012 by Rachel

physics
Ice fishing equipment weighing 3,000 N is pulled at a constant speed V = 0.5 m/s across a frozen lake by means of a horizontal rope. If the coefficient of kinetic friction is 0.05, what is the work done (in J) by the fisherman in pulling the equipment a distance of 500 m?
October 3, 2012 by Drew

phys
Doug pushes a 4.65 kg crate up a 2.00 m high 13.0 frictionless slope by pushing it with a constant horizontal force of 35.8 N. What is the speed (in m/s) of the crate as it reaches the top of the slope assuming that the local acceleration due to gravity is -9.80 m/s2?
November 9, 2011 by tc

physics
a heavy crate accidentally falls from high flying plane just as it flies directly above a shiny red car parked in a lot. relative to the car, where does the crate crash?
September 18, 2012 by Anonymous

A&P
Situation: You need to step up on a step to reach an object on a high shelf over your head. Your starting point should be anatomical position and your finishing point should be the position you are in once your hand has reached the object overhead. (Part 1) Trace the nerve ...
February 17, 2011 by Kristy

physics
1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35 angle. What is the normal force? If the object is pulled at constant speed, what is the coefficient of friction
October 13, 2010 by devin boutte

Physics
A 66.2 kg person sits on the 5.3 kg sled (slope is on an angle, angle not given). It is to be pulled across the snow with a coefficient of friction equal to 0.12. What horizontal force is required to pill the sled at a constant speed?
June 16, 2014 by M

ap physics
A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0 below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is ...
October 19, 2010 by Anonymous

physics
A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0 below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is ...
October 19, 2010 by peter

trig/precalculus
A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M = tanx B. M = cotx C. M...
December 13, 2011 by A

trig/precalculus
A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M = tanx B. M = cotx C. ...
December 13, 2011 by Joesph

physics
fred and barney are pushing a 200 kg crate up a plank, they have to put it on a roller. they apply a force of 1600N to the crate in order to accelerate at .5 m/s^2. the angle of the plank is 20 degrees. find the coefficient of friction.
November 4, 2008 by jayson

Science
A crate of mass 2000 kg is hanging from a crane at the end of a cable 12 m long. If we attach a horizontal rope to this crate and gradually apply a pull of 1800 N, what angle will the cable finally make with the vertical?
September 29, 2011 by May

Probabilities
There are 5 rotten apples in a crate of 25 apples. How many samples of 3 can be drawn from the crate?
May 1, 2009 by Andrey L

Physics
A 1.00e2kg crate is being pushed across a horizontal floor by a force of P that makes an angle of 30.0 degrees below the horizontal. The coefficient of Kinetic Friction is 0.200. What should be the magnitude of P, So that the network done by it and the Kinetic Frictional Force...
February 26, 2012 by Natasha

Physics
A 1.60 102-kg crate is being pushed across a horizontal floor by a force that makes an angle of 30.0 below the horizontal. The coefficient of kinetic friction is 0.200. What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero?
November 17, 2012 by Anonymous

physics
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction
May 24, 2010 by josh

physics
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction
May 24, 2010 by ang

physics
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47 above the horizontal. If the horses velocity is constant and the coefficient of friction is =.21, determine the mass of the horse.
February 28, 2013 by allan jordan

physics
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47 above the horizontal. If the horses velocity is constant and the coefficient of friction is =.21, determine the mass of the horse.
February 28, 2013 by allan jordan

physics
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47 above the horizontal. If the horses velocity is constant and the coefficient of friction is =.21, determine the mass of the horse.
February 28, 2013 by allan jordan

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