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August 28, 2016

Search: A cubic box of volume 3.7 10-2 m3 is filled with air at atmospheric pressure at 20°C. The box is closed and heated to 185°C. What is the net force on each side of the box?

Number of results: 55,983

Chem -3A
Please help me with this problem Avogadro's Law A chemical reaction occuring in a cylinder equipped with a movable piston produces 0.58 mol of gaseous product. If the cylinder contained 0.11 mol of gas before the reaction and had an initial volume of 2.11L, what was its volume...
July 23, 2008 by shylo

financail Management
In Area O, there will be more savers than spenders. Old people have usually accumulated more wealth and usually tend to have it in more conservative investments (i.e. fixed income instruments), whether they be bank deposits, bonds, etc. In Area Y, people will have more desire ...
May 21, 2011 by Anonymous

College Mathematics
A survey of 300 parks showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Find the number of parks that: Did not have any of these ...
April 8, 2010 by Michele

Chemistry
In the Formula... Na+ + NO2- + HSO3NH2 -> HSO4- + H2O + N2 + Na+ which I know has a 1:1 ratio, How do I figure out the Moles of N2 gas expected. Molar volume = 24.627 L/mol Moles of N2 produced = .0067 mol Volume of N2 gas of STP = .165 L Original used .5062g of NaNO2 to ...
October 26, 2011 by Nadia

Physics
A rocket ascends from rest in a uniform gravitational field by ejecting exhaust with constant speed u. Assume that the rate at which mass is expelled is given by dm/dt=mk, where m is the instantaneous mass of the rocket and k is a cosntant, and that the rocket is retarded by ...
October 25, 2012 by Jake

Biomechanics
A person with a body mass of 65 kg was running over level ground with a strong tailwind, while wearing a 10 kg weighted vest. The tailwind applied a force of 125 N to the runners body in the horizontal direction. Early in the stance phase, the runner generated a vertical ...
April 6, 2014 by Brendan

Physics
A garden hose with a diameter of 0.65 has water flowing in it with a speed of 0.91 and a pressure of 1.2 atmospheres. At the end of the hose is a nozzle with a diameter of 0.29. Find the speed of water in the nozzle? Find the pressure in the nozzle.
April 24, 2011 by URGENT PHYSICS HELP!

Physics, please help
Hello, I don't know how about to answering this question: work out the problem of a ball of mass m that falls a distance h from rest. It hits the floor and rebounds to its starting height. (a) What total time ie required for the motion? (Neglect the time of contact with the ...
October 31, 2006 by amber

chemistry
6.00g of gold was heated from 20.0 degrees celcius to 22.0 degrees celcius. how much heat was applied to the gold?
August 14, 2010 by sharnice

Finite Math
A Specialty shop owner used a revenue function and a cost-volume function to analyze his monthly sales. one month he found that with a sales volume of 1465 items he had revenues of $32,962.50 and a total cost of $26,405.50. Another month he had total costs of $17,638 on a ...
March 16, 2013 by Matt

Physics
Please help quickly his handbag exerts a force of 10 N on the hook. Which of the following values is a possible tension for each side of the cloth loop on the handbag? Each side of the loop exerts a vertical force only, not a horizontal force, on the rest of the handbag. (...
November 18, 2013 by Gianna

Math
Hands on : Multiplication patterns with 10,100,and 1,000 1/ Rebecca has 4 boxes of 20 cookies . She wants to know the total number of cookies . Which basic fact must she know to compute the total? What is the total? Answer: 4*20= 80 2/ Jermy is at a theater. There are 5 rows ...
February 24, 2014 by NAwaf

Chemistry
Thanks for your help; I am still have a few problems, could you check my work: Given: Volume of vinegar analyzed-5mL Con'c of NaOH-0.09890M Avg. Volume of NaOH from titration-43.75mL Density CH3COOH: 1.049g/mL Calculations: 1.Moles of NaOH required to reach equivalence point= ...
January 31, 2011 by Adam

physics
A tungsten wire has a radius of 0.077 mm and is heated from 20.0 to 1205 C. The temperature coefficient of resistivity is α = 4.5 10-3 (C)−1. When 110 V is applied across the ends of the hot wire, a current of 1.3 A is produced. How long is the wire? Neglect any ...
January 27, 2014 by Dee

business
1. On the income statement, extraordinary items are reported A. immediately after the continuing operations section. B. before the operating income section. C. immediately before the discontinued operations section. D. net of income tax or net of income tax savings. 2. _______...
August 11, 2014 by sharon

physics
A 3.9kg block moving at 2.0 m/s toward the west on a frictionless surface has an elastic head-on collision with a second 0.80kg block traveling east at 3.0 m/s. a)Determine the final velocity of first block. Assume due east direction is positive. b)Determine the final velocity...
February 21, 2015 by phys 220

Making Language Nonracist and Nonagist
It's hard to believe that a woman her age could accomplish so much. would this be better saying It's hard to believe that she accomplished so much. or would this still be racist From the data you give, it is impossible to tell what her race is, so how could it be racist? If ...
July 13, 2006 by kathy

Grammar
Select the correct sentence: 1.A) The sulfamethoxazole, in conjunction with the prednisone, do not seem to be helping her sinuses. B) The sulfamethoxazole, in conjunction with the prednisone, does not seem to be helping her sinuses. 2.A) As I take it lying down, blood pressure...
November 26, 2011 by Cindy

Physics
Does centripetal force acting on an object in uniform circular motion do work on the object? For work, force must be in the direction of movement. Please stop posting under differing names.
June 18, 2007 by Rob

Physics
Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 0.4 g, m2 = 223 g and F = 0.7 N to find the force between the two objects. Thanks
October 2, 2009 by Britney

Physics
Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.
October 6, 2009 by Natasha

Physics
A droplet of ink in an industrial ink jet printer carries a charge of 1.6 x 10 to the power of -10C and is deflected onto paper by a force of 3.2 x 10 to the power of -4N. What is the strength of the electric field to produce this force?
January 6, 2010 by Anonymous

Physics
A total of 650 joules of work is done on a 50.-kilogram object as it is moved 8.0 meters across a level floor by the application of a horizontal force. Determine the magnitude of the horizontal force applied to the object
January 7, 2010 by Priscilla

Physics
A droplet of ink in an industrial ink jet printer carries a charge of 1.6 x 10 to the power of -10C and is deflected onto paper by a force of 3.2 x 10 to the power of -4N. What is the strength of the electric field to produce this force?
January 12, 2010 by AC

Physics
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts on the mass. The mass is initially at rest. What speed does that mass have after being moved 2.0m?
October 16, 2010 by Maia

Physics
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts on the mass. The mass is initially at rest. What speed does that mass have after being moved 2.0m?
October 17, 2010 by Tia

science
a 10 N force pushes a body northward while a 15 N force acting at the same point of the body pushes it southward. Find equilbrant of these two forces. do I add or subtract? what about direction
January 9, 2011 by anonymous

physics
A charge Q = -520 C experiences a downward force of 0.04 N. What is the electric field in N/C at the point where the charge is located? Take upward to be positive. I know that E=Kq/r^2 therefore E= (9.0*10^9Nm)(-520*10^-6c)/r^2 I'm not sure how to get the distance and what I'm...
January 23, 2011 by help

Physics
A horse pulls on a crate with a 1,000 N force, causing it to move at constant velocity. What is the acceleration of the cart? A 44-kg child steps onto a scale. What is the magnitude of the force that the scale exerts on the child
July 15, 2011 by Kandi

physics
A horizontal force of magnitude 33.5 N pushes a block of mass 3.80 kg a distance of 3.00 m across a floor, where the coefficient of kinetic friction is 0.600. (a) How much work is done by that applied force on the block-floor system?
December 18, 2011 by t.a.

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6 from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012 by kyle

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6 from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012 by kyle

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6 from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012 by kyle

physics
A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle theta=23.0degrees above the horizontal, as shown. What is the magnitude of the acceleration of the block when the force is applied?
January 28, 2012 by Rachel

PHYSICS help please
Two small charged balls have a repulsive force of 0.12 N when they are separated by a distance of 0.85 m. The balls are moved closer together, until the repulsive force is 0.60 N. How far apart are they now?
February 22, 2012 by Kayla

physics
A woman pushes a refrigerator across the floor at a steady speed of 20cm/s . If she has to push with a horizontal force of 400 N to keep it moving , is the force of friction less than 400 N , 400 N, more than 400 N, why
March 25, 2012 by Melissa

physics
A droplet of ink in an industrial ink-jet printer carries a charge of 1.110−10 C and is deflected onto paper by a force of 3.710−4 N.Find the strength of the electric field to produce this force.
April 14, 2012 by Helen

Physics
Two forces act concurrently on point P. One force is 85 N in a direction 35 degrees north of east. The second 95 N force acting at an angle of 227 degrees, what is the magnitude and direction of the resultant ?
September 23, 2012 by Sue

physics
7.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown below. How much work is done by the force as the block moves from the origin to x = 8.0 m?
November 2, 2012 by kunal

Physics
A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53 degrees to the ground. What is the magnitude of the force of friction of the snow acting on the sled?
November 19, 2012 by PH

phys
A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30 degree below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is:
March 12, 2014 by tony

physics
a window easher pushes his brush up a vertical window at constant velocity by applying a force F as shown below. The brush weighs 12 N and the coefficient of the kinetic friction is 0.2. find the magnitude of force F.
April 17, 2014 by michelle

Physics
a container weighing a 1.20 x 10^4 N sits on a hydraulic press piston with can area of 0.80m^2. Compressed ir exerts a force of on the second piston which has an area of 0.30m^2 How large must this force be to support the car
September 29, 2014 by Dulce

Physics
A 7 kg block is pulled 8 m along a frictionless horizontal plane by a 23 N force that acts at 39 degrees above the horizontal. What is the work done by the force on the block? I don't get how to start the problem, I feel like there is something missing.
November 1, 2015 by vstudent

physics
Two horses pull horizontally on ropes attached to a tree stump (Fig. 3). Each horse pulls with a force of magnitude F. If the angle between the two ropes is 126O, what is the resultant force?
November 21, 2015 by fiz

Physics
Tow force are acting 50 degree apart, one of 200g grams and one of 300 gram. Fine the resultant force, its magnitude and the direction it makes with the original tow vectors
February 6, 2016 by Roben

Language Arts
Identify the simple sentence: 1.)In 1970, my mother graduated from Point Pleasant Boro High School. 2.)The gymnast swung around the bar, and the coach stepped on the mat. 3.)The tornado bypassed the town, byt the townspeople remained in their shelters. 4.)The factory closed ...
January 18, 2014 by Brony

Physics
i)A boy of 45kg is 5m above a swimming pool on a spring board. The boy jumps up into the air which is 2m above the spring board before falling into the water. What is the maximum depth the boy can reach in the water if the average resisting force of water on the boy is 1500N? ...
June 15, 2016 by Ami

chemistry
A vinegar sample was analyzed and found to be 5.88% acetic acid by volume. The density of pure acetic acid is 1.049g/mL. What volume of 0.200M NaOH would be required to titrate a 2ml aliquot of this vinegar? Some help would be greatly appreciated! thanks
September 15, 2009 by sara

Geometry
One advantage of the prismoidal formula is that you can use it to A. determine volumes of figures that aren't prismoids. B. estimate the volume of solids that are combinations of other solids. C. calculate precise volumes of all prismoids. D. calculate both volume and surface ...
April 4, 2016 by marceline

Physics
You are on an airplane traveling 30 south of due west at 130 m/s with respect to the air. The air is moving with a speed 30 m/s with respect to the ground due north. One question.. 2) What is the heading of the plane with respect to the ground? (Let 0 represent due north, 90...
February 15, 2014 by Cam

ALGEBRA 1
The height h is the time of seconds that the ball has been in the air with an initial vertical velocity of 48 feet per second from a height of 5 feet above the ground is given by the equation h=-16t^2 + 48t + 5 where t is the time in seconds that the ball has been in the air. ...
January 3, 2012 by CRAig

physics
Graph the following data and calculate the slope. What quantity is the slope of this graph? Normal Force(N) Frictional Force(N) 0 0 2.0 0.6 6.0 1.8 9.0 2.7 10.0 3.0
June 8, 2010 by Anonymous

physics
a force of 125N is required to extend a spring by 2.8cm. what force is required to stretch the same spring by 3.2cm
October 13, 2010 by peter

physics
The force acts on a 1.2kg object at 120m/s. The direction of the force is aligned with the velocity. What is the new velocity of the object
December 16, 2010 by Sarah

physics
The Earth exerts an 680 N gravitational force on a man. What force does the man exert on the Earth? Answer in units of N
March 16, 2011 by Anonymous

Physics
Two point charges are separated by 6cm. The attractive force between them is 22 N. Find the force between them when they are separated by 12 cm.
July 8, 2011 by Sarabeth

physics
A tow truck does 3.5 k j of pulling horizontally on a stalled truck to move 2.8 m horizontally in the direction of the force. What is the magnitude of the force.
November 13, 2012 by sam

physics
A proton with speed v perpendicular to a magnetic field B is experiencing a force F.If the speed of the proton is doubled,the new force is (a)F/2(b)F(c)2F(d)4F
September 22, 2013 by Roy

science
The Earth exerts an 850 N gravitational force on a man. What force does the man exert on the Earth? Answer in units of N
November 13, 2014 by Yassin

physics
a force of 150N does 3.40kj of work over a displacement of 25.0m. what is the angle between the force vector and the displacement vector?
March 26, 2015 by ben

Physics
The Earth exerts an 640 N gravitational force on a man. What force does the man exert on the Earth? Answer in units of N.
January 13, 2016 by Leah

math models
A force of 19 newtons is applied on a cart of 2 kilograms, and it experiences a frictional force of 1.7 newtons. What is the acceleration of the cart
June 17, 2016 by Anonymous

economics
With proportional income tax, a. The tax multiplier equals (MPC)(1-MPC) b. The tax multiplier equals MPC/(1-MPC) c. The spending multiplier equals (MPC)/(1-MPC) d. The spending multiplier equals 1/[1-MPC(1-t)] e. The spending multiplier equals 1/[1-(MPC)t] Suppose the economy...
May 23, 2010 by Sarah

Chemistry Ap
At 20◦C the vapor pressure of pure methanol (CH3OH) is 89.0 torr and of pure water (H2O) is 17.5 torr. A solution of methanol and water has a total vapor pressure of 35.5 torr at 20◦C. Calculate the mole fraction of methanol in this solution. Assume the solution ...
March 3, 2015 by Ethan

Statistics
The National Highway Traffic Safety Administration analyzes the crash test data for new cars. One variable measured is the severity of the injury due to a collision. The higher the severity, the higher the points assigned. Assume that the injury rating is normally distributed ...
December 22, 2013 by Gwen

Chemistry
PartA: What volume of 10.0M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? TrisHCl is a weak base and the molecular weight is 157.67 g/mol. I found the solution, it is 6.67 milliliters. Part B: "The buffer from Part A is diluted to 1.00 L. To ...
April 24, 2009 by Linda

Algebra 2
Evaluate with nth Roots. For mammals, the lung volume V ( in milliliters) can be modeled by V=170m^4/5 where m is the body mass ( in kilograms)/ Find the lung volume of each mammal. Mongoose - Body Mass(kg) = 1.14 Camel - Body Mass (kg) = 229
December 14, 2011 by Lilly

physics
How does the volume of a cube change if the length of one side is increased by one unit, another side is decreased by one unit, and the third side is left unchanged? How does changing the shape of a container affect the volume of the matter?
March 3, 2012 by Anonymous

physics
To tighten a bolt, you push with a force of 84N at the end of a wrench handle that is 0.24m from the axis of the bolt. If you move your hand inward to be only 0.10 m from the bolt, find the force that you should exert to achieve the same torque.
September 28, 2014 by leonardo

finance
An investor estimates that next years sales for New World Products should amount to about $75 million. The company has 2.5 million shares outstanding, gener- ates a net profit margin of about 5% , and has a payout ratio of 50% . All figures are expected to hold for next year...
May 24, 2012 by chris

calculus
A cylindrical drum with an open top is to be constructed using 1 m^2 of aluminum a)write and equation for the volume of the drum in terms of radius b)what radius gives the direct maximum value? c)What is the maximum volume if the radius can be a maximum of 0.2m ? c)
April 11, 2015 by lotus

UNSCRAMBLE
UNSCRAMBLE THIS WORD SERRAY I tried this http://www.ssynth.co.uk/~gay/anagram.html and this http://www.unscramble.net No results... =( Yes, rar! , rayers(those who "ray")? , ryears (as distinct from qyears)? is the word supposed to be english?
November 17, 2006 by SHAUNA

physics
Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 m. Use 8.85 x 10-12 F/m for εo, the permittivity of free space
January 30, 2015 by Amanda

Calculus
A cylindrical drum is made to hold exactly 1m^3 in its interior. Assume that the material for the top and the bottom costs $20 per m^2, while that for the side costs $10 per m^2. Determine the radius of the drum that minimizes the cost of the material used. ____ / \ |\____/| &...
December 10, 2006 by Frederique

programming language
can enyone help me figure this out... Surface to Volume Ratio Write a program to compute surface to volume ratio. We will be given the height, width, and depth of N cuboid, and determine the smallest surface to volume ratio among them. Input The first line of the input data ...
October 27, 2009 by Ryan

chemistry
acid: HCI 0.10 M Base:NaOH O.050 M 3 ml of HCI was used. Calculate the volume of base required to reach the equivalence point of this titration. Somewhere in the finding the solution, i have to use the fact that Moles HCl = moles NaOH. this is what i have so far: Volume of ...
March 3, 2009 by Anonymous

history
its the name of an actor/actress lleewiaodmnac Try these: http://www.ssynth.co.uk/~gay/anagram.html http://www.unscramble.net =)
March 21, 2007 by Anonymous

Soil Science!
Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...
October 7, 2014 by Udyr

Soil Science, HELP!!
Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...
October 8, 2014 by Trenton

physics
The radius of a roll of paper is 7.6 cm and its moment of inertia is I = 2.9 10^3 kgm2. A force of 3.2 N is exerted on the end of the roll for 1.3 s, but the paper does not tear so it begins to unroll. A constant friction torque of 0.11 mN is exerted on the roll which ...
May 8, 2016 by Anne

Chemistry
Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145atm , to what pressure should you fill the...
October 10, 2014 by Anonymous

Chemistry
Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145atm , to what pressure should you fill the...
January 15, 2015 by James

Physical Science
Why is the net charge of the nucleus always positive?
November 29, 2007 by Tasha

chemistry
What is the net ionic equation of AlPO4(s) dissolved in H3O+(aq)
March 12, 2009 by Priscilla

chemistry
What is the net ionic equation of AlPO4(s) dissolving in H3O+(aq)
March 12, 2009 by Jimmy S.

chemistry
the net ionic equation of the ionization of HClO3 in water
April 29, 2009 by Anonymous

science
what is a group of atoms having a net electrical charge
November 5, 2009 by rica

chemistry
how to write a net ionic equation of CaS+CuCl2
April 16, 2010 by jose

Chemistry
What is the net ionic equation for the ionization of HClO3 in water?
May 10, 2010 by Doug

Chemistry
what is the net ionic equation for NaH + H2O= NaOH +H2
June 28, 2010 by Alonda

chem
what are the net ionic equations for ClO3^-; Zn^2+ undergo hydrolysis?
October 2, 2010 by Andy

Eccpmonics
What % of Americans have a net worth of $750,000?
November 27, 2010 by Susan

Chemistry
Write a net ionic equation for Hg(C2H3O2)2 + NaI
February 13, 2011 by Jim

chemistry
what is the net ionic equation for tin + copper 2 sulfate?
April 23, 2011 by cee

PAP Chemistry
Net Ionic Equation of : NaOH(aq) + CaBr2(aq)
May 22, 2011 by June

chemistry
molecular and net ionic equations for FeCl3 + Na2S
June 21, 2011 by chelsea

physics
What is the net flux through the surface when charge is at the centre?
October 19, 2011 by hasan

physics
assign units and determine net forces in a situation.
January 24, 2012 by keria

biochem
What is the structure and net charges of Aspartate, Lysine and Alanine at pH 7.5
January 28, 2012 by age

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