Friday

July 25, 2014

July 25, 2014

Number of results: 16,620

**GENERAL**

Which of the following would you use to sort through slides for a slide presentation? A. Camera B. Opaque Projector C. Copy machine D. Light box
*December 9, 2012 by khan*

**general**

Which of the following would you use to sort through slides for a slide presentation? A. Camera B. Opaque Projector C. Copy machine D. Light box
*December 9, 2012 by khan*

**math**

there were 7 times as many marbles in box a as in box b. after joyce transferred 294 marbles from box a to box b, both boxes had the same number of marbles. how many marbles were there in box a at first?
*March 30, 2013 by shohanur*

**Physics**

A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on box 2? (In other ...
*February 20, 2011 by Brandon*

**physics**

A student pulls on a rope attached to a box of books and moves the box down the hall. The student pulls with a force of 182N at an angle of 25° above the horizontal. The box has a mass of 35kg and &mu k between the box and the floor is 0.27. What is the acceleration of the box.
*November 9, 2010 by CJ12*

**college physics**

A box on a frictionless surface is pulled back a distance x into a spring with spring constant k and released. What is the formula for the kinetic energy of the box after it leaves the spring?
*September 11, 2010 by Charlie*

**physics**

a college student takes her book to class by placing them in a box and pulling it around school. She pulls on the box with a force of 90N at a angle of 30 relative to the horizontal. the box of books has a mass of 20 kg and the coefficiant of kinetic friction between the ...
*November 14, 2012 by poop*

**physics**

a college student takes her book to class by placing them in a box and pulling it around school. She pulls on the box with a force of 90N at a angle of 30 relative to the horizontal. the box of books has a mass of 20 kg and the coefficiant of kinetic friction between the ...
*November 14, 2012 by poop*

**physics**

A box of mass 5 kg is pulled along a horizontal frictionless surface by a force of 40N inclined @ 30dgrees. Calculate A)the work done by the force over a distance. B)the speed gained by the box after travelling 10m.
*August 3, 2011 by Luc*

**physics 101**

A horizontal force of magnitude F = 164 N is used to push a box of mass m = 7 kg from rest a distance d = 17 m up a frictionless incline with a slope q = 31°. How much work is done on the box by the gravitational force during this same displacement?
*February 29, 2012 by neris*

**physics**

A m = 2.51 kg mass starts from rest and slides a distance d down a frictionless theta = 34.6° incline. While sliding, it comes into contact with an unstressed spring of negligible mass. The mass slides an additional 0.220 m as it is brought momentarily to rest by compression ...
*October 31, 2009 by Anonymous*

**Physics**

an 88kg cardboard box is being pulled along a level floor. the coefficient of static friction between the box and the floor is 0.23, and the sliding friction is 0.12. What is the weight of the box? What force is needed to start the box moving? What force is needed to keep the ...
*October 29, 2012 by Zach*

**Physics IMP**

A large heavy box has its center of mass at a distance l from a bottom corner and at an altitude h above the ground. At what critical angle alpha does the box start to fall over when it is tilted? Assume that the bottom corner of the box has a large friction coefficient with ...
*November 25, 2013 by Rosa*

**Physics**

A delivery person pulls a 35 kg box across the floor. The applied force exerted on the box is 122.5 N [38o above the horizontal]. The force of kinetic friction on the box has a magnitude of 55.0 N. The box starts from rest. Using the Work-energy theorem, determine the speed of...
*November 12, 2011 by holly*

**Physics...Friction**

A 75 kg box slides down a 25 degree ramp with an acc. of 3.6 m/s2. find mu,k between the box and the ramp. Write down Newton's second law for the direction of motion. "a" is the acceleration. Mg sin 25 - M g cos 25 *mu,k = M a The first term is the weight component along the ...
*February 24, 2007 by Christy*

**physics**

A 20.0 N force is applied at an angle of 40.0 degrees below the horizontal to a 4.00 kg box. The box moves a horizontal distance of 4.00 metres. The work done by the 20.0 N force is:
*May 16, 2011 by Anonymous*

**PHYSICS - PLEASE HELP**

A box of weight w=2.0 N accelerates down a rough plane that is inclined at an angle 30 degrees above the horizontal. The normal force acting on the box has a magnitude n= 1.7 N, the coefficient of kinetic friction between the box and the plane is .30, and the displacement d of...
*November 30, 2012 by Anonymous*

**Physics**

A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. So I get that (1/2)MV^2 = MgX*sin 15 + Mg*muk*cos 15...
*December 6, 2007 by Lindsay*

**Physics**

A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. I still get 0.315 m as the answer, but it's ...
*December 9, 2007 by Lindsay*

**physics**

A box which has a mass of 48 kg is dragged across the floor a distance of 5.9 m. If the coefficient of friction between the box and floor is 0.53, how much non-conservative work is done by friction? The acceleration due to gravity is 9.81 m/s2.
*April 29, 2010 by Fallon*

**physics**

A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 173 N at an angle of 27.5 above the horizontal. The box has a mass of 27 kg, and μk between the box and the floor is 0.2. The acceleration of gravity ...
*November 6, 2012 by scott*

**physics multiple choice**

A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor. Which of the following statements about this box is correct? A.The box will accelerate no matter how small P is. B. The box will not accelerate unless P > 230 N. C...
*February 2, 2011 by mely*

**physics multiple choice**

A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor. Which of the following statements about this box is correct? A.The box will accelerate no matter how small P is. B. The box will not accelerate unless P > 230 N. C...
*February 2, 2011 by andrea*

**physics**

In a local bar, a customer slides an empty beer mug down the counter for a refill. The bartender is momentarily distracted and does not see the mug, which slides off the counter and strikes the floor at distance d from the base of the counter. The height of the counter is h. (...
*February 18, 2011 by eric*

**Physics**

A 295kg box is pulled at a constant speed by the little engine. The box moves a distance of 2.8 m across the horizontal surface. (μ=.20) How much energy is transferred by the engine? (How much WORK is done?)
*March 14, 2014 by Anonymous *

**Business Calcules**

find a rectangular contains at least 231 cubic inches.the height of the box must be exactly 1/4th of the width of the box. the box is closed on all 6 sides. the surface area of the box minimized.?
*March 23, 2014 by jasmine*

**Physics**

A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. Can someone please show me the steps to solving this...
*December 4, 2007 by Lindsay*

**physics**

A box slides down a 33.3 ◦ ramp with an acceleration of 1.07 m/s 2 . The acceleration of gravity is 9.8 m/s 2 . Determine the coeﬃcient of kinetic friction
*December 4, 2012 by Anonymous*

**Physics**

A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 179 N at an angle of 29.8 ◦ above the horizontal. The box has a mass of 42.2 kg, and ľk between the box and the ﬂoor is 0.2. The acceleration ...
*December 10, 2012 by Anonymous*

**Physics**

A total of 8.0 joules of work is done when a constant horizontal force of 2.0 newtons to the left is used to push a 3.0 kilogram box across a counter top. Determine the total horizontal distance the box moves.
*January 16, 2012 by Steven*

**physics**

Joe pushes horizontally on a heavy box across a rough surface at constant speed. Which one of the following statements concerning this situation is false? If Joe stops pushing on the box, the box will stop sliding eventually. If Joe doubles his force on the box, the speed of ...
*June 8, 2014 by Sam*

**Physics**

A box weighing 5kg sits on a box weighing 10kg. The static friction between them is .5. There is no friction under the bottom box. How much tension is needed on the bottom box to make the top box slide?
*October 6, 2009 by Bob*

**Physics**

A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 174.0 N at an angle of 27.0 degrees with the horizontal. The box has a mass of 39.0 kg, and the coefficient of kinetic friction between the box and floor is 0....
*March 15, 2011 by Chris*

**Physics**

At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of F = 84.4 N at an angle of 64degrees. The acceleration of gravity is 9.8 m/s/s. The box of books has a mass of 14 kg and the coefficient of kinetic ...
*October 30, 2011 by Amanda*

**Physics**

A 254kg box is pulled at a constant speed by the little engine. The box moves a distance of 3.0 m across the horizontal surface. (μ=.20) How much energy is transferred by the engine? (How much WORK is done?) what is the answer in joules?
*February 13, 2014 by help*

**macroeconomics**

slides of your preferred city to relocate with your reasoning for this choice 12 slides: Explain at least 2 reasons why housing prices vary from city to city 35 slides: Explain 34 ways in which supply and demand affect the prices of the homes 35 slides: Include any ...
*August 27, 2011 by koki*

** Calcules**

A company is selling 1 gallon blocks of orange juice. your task is to design a rectangle box ( prism) that meet all the criteria below: a) contains at least 231 cubic inches. b)the height of the box must be exactly 1/4th of the width of the box. c)the box is closed on all 6 ...
*March 23, 2014 by jasmine22*

**math**

A company is selling 1 gallon blocks of orange juice. your task is to design a rectangle box ( prism) that meet all the criteria below: a) contains at least 231 cubic inches. b)the height of the box must be exactly 1/4th of the width of the box. c)the box is closed on all 6 ...
*March 23, 2014 by merfit*

**physics**

a 4kg box sits, at rest,on the table what is the box's acceleration? b)how much does the box weight? c) what other force acts on the box? how big is this force?
*May 16, 2012 by lisa*

**Physics**

Box, mass m 1 , at rest against a compressed spring, spring constant k and compression of Δx, at the top of a ramp, height h, is released. It slides down the ramp, angle θ, with friction, coefficient μ. Half way down the ramp, it bumps into and sticks to another...
*August 9, 2012 by Chad*

**intro to physics**

In the figure, a block of mass m = 3.20 kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 431 N/m. When the block momentarily stops, it has compressed the spring by 19.5 cm. (a) What is the ...
*December 14, 2011 by Anonymous*

**physics**

You are pushing a box up an inclined ramp. The force you exert on the box is 19ˇN up the ramp. The weight of the box is 100ˇN straight downward. The force friction exerts on the box is 8ˇN down the ramp. The normal force exerted on the box by the ramp is 50ˇN upward and at an ...
*January 17, 2013 by wally*

**physics help**

Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 1.60 m from the edge of the table, see the figure. Bobby compresses the spring 1...
*March 18, 2010 by stan*

**Engineering Fund.**

A large box whose mass is 19.0 kg rests on a frictionless floor. A mover pushes on the box with a force of 235 N at an angle 34.8° below the horizontal. Draw the box's free-body diagram and use it to determine the acceleration of the box. m/s2
*October 4, 2012 by josephz*

**calculus**

A box with a square base and an open top is to have a volume of 68in^3 . Neglect the thickness of the material used to make the box, and find the dimensions of the box that would minimize the amount of material used. The width and length of the box are each ___ in. The height ...
*March 30, 2010 by Haley*

**Physics**

A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 188.0 N at an angle of 26° with the horizontal. The box has a mass of 30 kg, and the coefficient of kinetic friction between the box and the floor is 0.45. Find...
*January 12, 2013 by T.J.*

**physics**

A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 188.0 N at an angle of 26° with the horizontal. The box has a mass of 30 kg, and the coefficient of kinetic friction between the box and the floor is 0.45. Find...
*January 13, 2013 by Angel R.*

**physic question**

Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 2.15 m from the edge of the table, see the figure. Bobby compresses the spring 1...
*November 2, 2012 by mujisen*

**Physics**

There is a 5kg box sitting on top of a 10kg box. The static friction between them is .5. What is the maximum tension that can be placed on the bottom box without causing the 5kg box to slip. The surface is flat.
*October 6, 2009 by Kathy*

**Physics**

A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box?
*March 19, 2013 by Joe*

**Physics**

A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.
*January 5, 2012 by Jordyn*

**Physics**

A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.
*January 5, 2012 by Jordyn*

**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?
*October 22, 2012 by nhan*

**simple physics**

You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is on a flat horizontal surface for which the coefficient of static friction with the box is 0.73, what is the mass of the heaviest box you will be able to move?
*March 18, 2014 by gzag*

**Grade 12 Physics**

This question came up on my review package tonight, and it has me stumped. "A box of mass 14.5kg slides at a constant speed of 4.70m/s down a ramp at 35.3 degrees below the horizontal. What is the force of friction on the box?" I can calcuate force of friction on accelerating ...
*October 13, 2008 by solexgirl12*

**math**

it is cross math (like sudouk) six rows across and six rows down 1st row has empty box, +, empty box, + box =6 this row is across 2nd row has x blacked out box, +, blacked out box, x, blacked out box this row is across 3rd row across is empty box, +, empty box,/ (division sign...
*March 12, 2007 by vince*

**physics**

you drag a heavy box along a rough horizontal floor by a horizontal rope. Identify the reaction force to each of the following forces: (a) the pull of the rope on a box (b) friction force oin the box (c) the normal force on the box (d) weight of the box
*October 6, 2009 by sam*

**physics**

you drag a heavy box along a rough horizontal floor by a horizontal rope. Identify the reaction force to each of the following forces: (a) the pull of the rope on a box (b) friction force oin the box (c) the normal force on the box (d) weight of the box
*October 7, 2009 by Sara*

**math**

jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. Let h = the height of Jim's box. Write and solve an equation you can use to find the height of Jim's box.
*August 29, 2013 by haley*

**physics**

A box of Cheerios and a box of Wheaties are accelerated accross a horizontal force vector F applied to the Cheerios box. THe magnitude of the frictional force on the Cheerios box is 2 N and the magnitude of the frictional force on the Wheaties box is 4 N. If the magnitude of ...
*November 27, 2006 by Bri*

**Math**

Check my answer please? Yuri is wrapping presents. The first box measures 9 inches by 12 inches by 2 inches. He has a second box with dimensions that are each half of the length of the first box. How does the surface area of the second box compare with the surface are of the ...
*April 17, 2011 by Sammy*

**physics**

A box,is resting on a smooth(frictionless)table.The mass of the box is 10 kg. (a)Determine the weight of the box and the normal force acting on(b)If the box is pushed down with a force of 40 Newton determine the normal force(c) If the box was pulled up with a force of 40 ...
*July 22, 2008 by Jodie*

**Physics**

A Spanish galleon is about to be boarded by bloodthirsty pirates in the shallows of a Caribbean island. To save a box of treasure on board, the captain orders his crew to secretly toss the box overboard, planning to come back for it later. The rectangular box is waterproof and...
*June 29, 2012 by Tracy*

**Physics**

A Spanish galleon is about to be boarded by bloodthirsty pirates in the shallows of a Caribbean island. To save a box of treasure on board, the captain orders his crew to secretly toss the box overboard, planning to come back for it later. The rectangular box is waterproof and...
*June 29, 2012 by Tracy*

**Physics**

A Spanish galleon is about to be boarded by bloodthirsty pirates in the shallows of a Caribbean island. To save a box of treasure on board, the captain orders his crew to secretly toss the box overboard, planning to come back for it later. The rectangular box is waterproof and...
*June 29, 2012 by angela*

**physics**

The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 51.0 N, W2...
*February 21, 2012 by Natasha*

**physics**

The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 56.2 N, W2...
*June 30, 2013 by josh*

**physic 1**

The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 52.4 N, W2...
*February 18, 2014 by Anonymous*

**Physics**

The diagram for this problem is a pulley. On the left end Box 1 is sitting on a table and Box 2 is attached sitting on top of Box 1 and is attached to the string for the pulley. The right side has the string attached to Box 3 which is lifted off the table. A massless rope ...
*June 21, 2012 by Caitlyn*

**Math-Geometry**

The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200m cubed. Find the most efficient way to built this box.
*May 15, 2008 by Megan*

**general physics**

The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2 and the other end is connected to box 3. The weights of the three boxes are W1 = 51.4 N, W2...
*July 25, 2013 by ODU*

**Physics**

ohh sorry, in my first question... A 15 kg box sits on a horizontal FORCE. the coefficient of static fricition between the box and the surface is 0.70. if a force P is exerted on the box at an angle directed 37 degrees below the horizontal, what must be the magnitude of P to ...
*August 27, 2012 by Daniella*

**Calculus Word Problem**

A farmer wishes to build a fence for 6 adjacent rectangular pens. If there is 600 feet of fencing available, what are the dimensions of each pen that maximizes total pen area? The image looks like this: box box box box box box also: If the interior fencing is $3.00 per foot ...
*April 10, 2013 by Henry*

**college algebra**

a rectangular box has a volume of V(x)=x^3+13x^2+50x+56 cubic inches. The height of the box is x+7 inches. The width of the box is x+4 inches. Find the length of the box in terms of x.
*March 18, 2012 by Missy*

**geometry**

a packaging company manufactures a cardboard box with a volume of 864 cubic inches. the length of the box is 24 inches, and the ends of the box are square. what is the height of the box in inches?
*June 29, 2012 by luckybee*

**geometry**

a packaging company manufactures a cardboard box with a volume of 864 cubic inches. the length of the box is 24 inches, and the ends of the box are square. what is the height of the box in inches?
*October 29, 2012 by luckybee*

**math-probability**

Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...
*March 4, 2008 by ASh*

**math-probability**

Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...
*March 4, 2008 by ASh*

**Math-Optimization**

The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200 meters cubed. Find the most efficient way to built this box.
*May 27, 2008 by Megan*

**physics**

The drawing shows a top view of a square box lying on a frictionless floor. Three forces, which are drawn to scale, act on the box. Consider an angular acceleration with respect to an axis through the center of the box (perpendicular to the screen). Which one of the following ...
*April 26, 2014 by shamma*

**Physics**

A box of mass 54.0 kg is sitting on a ramp which makes an angle of 37.0 degrees with respect to the horizontal. The coefficient of friction between the box and the ramp is 0.21. This box is connected by a massless string over a pulley at the top of the ramp to a second box ...
*March 24, 2014 by Anonymous*

**physics**

A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box. The box is pulled to the right, stretching the spring. Static friction exists between the box and the table, so when the spring is stretched only by ...
*July 16, 2013 by sammy*

**physic**

A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box. The box is pulled to the right, stretching the spring. Static friction exists between the box and the table, so when the spring is stretched only by ...
*January 20, 2014 by nada*

**math**

so if my question is find the dimensions of a box that will hold twice as many cubes as a box that is 2 by 6 by 4 a] volume of original box: 48 b]volume of new box is :96 c] dimensions of new box is 12 by 4 by 2
*October 7, 2008 by tanisha*

**Ratio**

I had a total of 129 marbles in 3 boxes at first. Then I threw away 2/3 of the marbles from Box 1, added 15 marbles to Box 2, and added marbles to Box 3 until the numbers in box 3 tripled. As a result the number of marbles in box 1 to the number in Box 2 to the number of ...
*November 28, 2008 by Mary*

**PHYSICS**

A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the distance d? I found ...
*October 24, 2011 by Anonymous*

**physics**

A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the distance d? I found ...
*October 24, 2011 by Anonymous*

**Physics - HELP please**

A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35. Determine the normal force that the table exerts on the 24.0 kg box. Determine the normal force that the 24.0 kg box exerts on the 13.0 kg box.
*October 8, 2009 by DJ*

**Physics - HELP please**

A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35. Determine the normal force that the table exerts on the 24.0 kg box. Determine the normal force that the 24.0 kg box exerts on the 13.0 kg box.
*October 8, 2009 by DJ*

**Physics**

A box of mass 50.0 kg is connected to a second box with a mass of 54.0 kg. Both are sitting on a horizontal surface and the coefficient of kinetic friction between the surface and each box is 0.51. If the second box is pulled away from the first box with a force of 605.8 N, ...
*March 24, 2014 by Anonymous*

**Physics Homework**

A 2000 lb box is being held at rest submerged in water. The box is displacing 2500 lbs of water. When the box is released from its submerged position, the box will a. sink b. rise to the surface and float c. remain where it is d. result unknown Ok, so if the box is put in the ...
*November 13, 2010 by Jael*

**Math**

I think this is geometry: There is a small box with a black frame around it. Inside the box, at the bottom, is an 8. Inside the box, to the right, is a 2. It looks like they are showing Length & Height. On the outside of the box, under the 8, there is a 10. To the right, ...
*April 8, 2013 by Sandy*

**Physics (please help!!!!)**

A box with a volume V = 0.04 m3 lies at the bottom of a lake whose water has a density of 103 kg/m3. (a) How much force is required to lift the box, if the mass of the box is 1050 kg? (b) How much force is required to lift the box, if the mass of the box is 100 kg? (c) How ...
*April 16, 2011 by Anonymous*

**Physics**

A 11 kg box slides 4.2 m down a frictionless ramp and then collides with a spring whose spring constant is 250 N/m. What is the maximum compression of the spring? I got 1.35 m but it is incorrect. Any help would be great!
*March 19, 2014 by Mark*

**physics**

1) Two boxes are placed are placed side by side on a frictionless surface so that they touch each other. Box A has a mass of 4 kg. Box B has a mass of 12 kg. A constant force of 24 N is applied to box A. What force does box A exert on box B?
*November 10, 2009 by pat*

**Math**

How do I approach this problem? Seven green marbles and three red marbles are randomly placed in Box A and in Box B. Box A holds 4 marbles, while Box B holds 6. What is the probability that Box A has at least 2 green marbles?
*December 20, 2012 by Anonymous*

**math**

How do I approach this problem? Seven green marbles and three red marbles are randomly placed in Box A and in Box B. Box A holds 4 marbles, while Box B holds 6. What is the probability that Box A has at least 2 green marbles?
*December 20, 2012 by Anonymous*

**physics--urgent**

A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the distance d? I found ...
*October 25, 2011 by Anonymous*

**maths**

the weight of 4 boxes together is 66.5kg.the weight of box B is 2kg less than box A.and the weight of box C is 1.5kg more than box A.if the weight of box D is 1.5kg more than box C.find the weight of each box
*July 11, 2014 by cbse 8th*

**physics**

A box is given a push so that it slides across the floor. How far will it go, given the coefficient of kinetic friction is .21 and the push imparts an inital speed of 4.2 m/s?
*September 26, 2009 by Jennifer *

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