Thursday
July 2, 2015

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: 50,427

Grammar
The patient's facial lacerations were anesthetized with 1% Xylocaine, prepped with Betadine, and subsequently closed with a total of eleven 6-0 Prolene sutures, the patient was given a wound care sheet and advised to have sutures removed in 5 days. fragment run-on comma splice...
May 9, 2011 by Leslie

Physics
One closed pipe organ has a length of 2.5 m. The frequency of the note is 34.3 Hz. When a second pipe is played at the same time, a 1.7 Hz beat note is heard. By how much is the second pipe too long? Would you have to use the frequency of the second pipe to find the length of ...
December 6, 2007 by Einstein

Physics graphing
Im making a graph of magnetic force vs current, after investigating the magnetic force exerted on a current-carrying wire, and how it varies with current, length, magnetic field and angle. How do I know when to use the point (0,0) on the graph?
October 13, 2014 by Michelle

Physics
An 11,000 N test car travels 44.5 m before stopping from an initial speed of 28.7 m/s on dry horizontal pavement with its wheels locked. (a) make a free body diagram of this car while its slowing down. (b) what external force causes it to slow down. (c) Assuming constant ...
October 6, 2009 by SaraH

Physics
A 2.0×103 kg car accelerates from rest under the action of two forces. One is a forward force of 1153 N provided by traction between the wheels and the road. The other is a 939 N resistive force due to various frictional forces. How far must the car travel for its speed to ...
January 22, 2011 by Sangita

physics
An 9000 test car travels 40.5 before stopping from an initial speed of 25.7 on dry horizontal pavement with its wheels locked. a)Make a free-body diagram of this car while it is slowing down. b) What external force causes it to slow down? c)Assuming constant acceleration, find...
February 6, 2013 by Leewillikers

Chemistry
I am comparing the ions BeS and BeO. BeS... d=229 pm Force of attraction = -6.856x10^29 J/m BeO... d=199 pm Force of attraction = -9.078x10^29 J/m I used Coulumb's to find this. Can you explain this?... the reasoning why BeS has a greater attraction?
September 23, 2010 by jake

physics
A 2.14 kg block is held in equilibrium on an incline of angle q = 67.7o by a horizontal force, F. If the coefficient of static friction between block and incline is ms = 0.314, determine the minimum value of F. Determine the normal force of the incline on the block.
September 20, 2012 by AB

physics
the coefficient of friction between a block of weight 15N and a horizontal board on which it is resting is 3.0find the horizontal force which will just remove the block and the force acting at an angle of 30 with the horizontal which will just move the block.
March 1, 2013 by jane

Physics
A block of weight 30N lies on a horizontal table top. A force of 40N acts parallel to the surface of the table top, but does not cause the block to move. What is the magnitude of the frictional force between the block and the table?
June 5, 2013 by Ashley

science
The words in the bank are air resistance,time, zero, inertia, mass, direction, friction, rolling friction, and less. See if I did them right and if I didn't write anything on the blank, I need help with it. THANKS!!!!!!!!!!!!!!!! 10. Speed can be determined if you know ...
February 27, 2012 by Gabby ( 5 grade)

algebra
A mechanic is working on a car that has a 10 Liter radiator that is currently filled with a mixture of water and antifreeze. thirty percent of the 10 liters is antifreeze and the rest is water. how much needs to be drained and replaced with pure antifreeze to make 10 liters of...
September 22, 2012 by Sarah

Calculus
A water trough is 9 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 80 cm wide at the top, and has height 40 cm. If the trough is being filled with water at the rate of 0.3 m3/min how fast is the water level rising when ...
October 12, 2014 by Breauna

PHYSICS
#1.) A 3.0 kg computer printer is pushed across a desk at a rate of 0.6m/ s2 (towards the right). Determine the force applied to the printer #2.) If a 0.9 kg apple falls from a tree and hits the ground with a force of 8.82 N calculate the acceleration of the apple. #3.) ...
February 3, 2013 by AMANDAAA

PHYSICS
#1.) A 3.0 kg computer printer is pushed across a desk at a rate of 0.6m/ s2 (towards the right). Determine the force applied to the printer #2.) If a 0.9 kg apple falls from a tree and hits the ground with a force of 8.82 N calculate the acceleration of the apple. #3.) ...
February 3, 2013 by AMANDAAA

physics
A power station with an efficiency of 0.35 generates 10^8 W of electric power and dissipates 1.86 ✕ 10^8 W of thermal energy to the cooling water that flows through it. Knowing the specific heat of water in SI units is 4184 J/kg°C, calculate how many kilograms of water ...
July 16, 2014 by boy

Physics
A hydraulic ram is a device that uses the pressure created by a large amount of water falling a small distance to raise a portion of that water to a much greater height. It is suitable in valleys where springs feed a stream below, where farms needing irrigation are at the top ...
January 31, 2013 by Ravin

chemistry
In an esterification experiment, 2.0 mol of ethanol were mixed with 1.0 mol of ethanoic acid in a container of volume 30cm3 and the chemicals were allowed to come to equilibrium at 25°, CH3CO2H + C2HOH <-> CH3COOC2H5 + H20 If the equilibrium mixture contained 0.845 mol ...
May 28, 2009 by Anonymous

accounting
After the accounts are adjusted and closed at the end of the fiscal year, Accounts Receivable has a balance of $673,400, and Allowance for Doubtful Accounts has a balance of $11,900. Describe how the accounts receivable and the allowance for doubtful accounts are reported on ...
April 27, 2014 by diane

Physics
What force would you have to exert on a 324 N trunk up a 19 degree inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? The coefficient of friction between the plane and the trunk is .322.
October 4, 2007 by Anonymous

physics
how does the gravitational force exerted by earth on the sun compare with the gravitational force exerted by sun on the earth? and would you expect tides to be higher at the equator or at the north pole? why?
January 24, 2010 by amar

Physics
A certain force made a 5.0 kg mass accelerate at 4.0 m/s^2. This same force made another object accelerate at only 0.8 m/s^2. Find the mass of the second object. I have no idea how to do this. Do i use m=1/a? What do i do?
October 15, 2010 by Emily

Physics
3. A person exerts a force of 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if the force is exerted a)perpendicular to the door b)at a 45 degree angle to the door, c) at a 125 degree angle to the door?
November 4, 2010 by Bobby

Physics
A bolt requires 15 Nm or torque to loosen it. How much force needs to be applied to a 20 cm long wrench to loosen the bolt? Assume the force is applied perpendicular to the handle of the wrench.
November 14, 2012 by Josh

Physics
The earths mass is m=5.98*10^24 kg and physics students masss is 70 kg. Knowing that the gravitational force between the student and the earth is 392 N of force, what is the distance between the student and the Earths center?
February 4, 2014 by Ezabelle

Spanish
12. Anoche la tienda _____ a las diez, no a las once. a. cerró b. cierro c. cerramos d. cierra A? Last night, store closed at 10, not 11. Right..? 13. ¿_____ cuadras de aquí está la estación del metro? a. Cuántos b. De cuántas c. Para cuántas d. A cuántas B or D... 14. El ...
February 28, 2011 by mysterychicken

physics
To test your friend's claims about his car, you accept his o er of a ride about campus. Not wanting to exceed the speed limit, he claims he can only give a taste of the accelerating ability of his car and not the full proof. You notice, however, that the pine tree scented (and...
August 6, 2011 by waqas

physics
A force Farrowbold1 of magnitude 5.00 units acts on an object at the origin in a direction θ = 34.0° above the positive x-axis. (See the figure below.) A second force Farrowbold2 of magnitude 5.00 units acts on the object in the direction of the positive y-axis. Find ...
January 28, 2013 by george

science
A car owner pushes a car with a force of 80 N. The car does not move. Which of the following best describes the force that the car exerts on the car owner?
April 29, 2015 by dejif

Ethics 2
What can individuals do to promote tolerance and reduce prejudice in their towns and cities? You can start in your own school. One of the most segregated places in the country is the school cafeteria. You can sit with people who are different from you and get to know them. ...
May 13, 2007 by Kelli Evans

physics
A cylindrical glass is 6cm wide. When you look from above at an angle you see the edge of the bottom of the glass. When the glass is then filled with water (1.33) you see the center of the bottom of the glass. How tall is the glass?
January 17, 2011 by sandhu

Physics
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm. Find the elctric force on the proton for Fx and Fy. For my total force I got 7.53*10^-11N For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N. Where did I ...
August 11, 2009 by Sammy

Physics
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm. Find the elctric force on the proton for Fx and Fy. For my total force I got 7.53*10^-11N For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N. Where did I ...
August 12, 2009 by Sammy

Physics
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm. Find the elctric force on the proton for Fx and Fy. For my total force I got 7.53*10^-11N For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N. Where did I ...
August 12, 2009 by Sammy

physics
A spring exerts a 17 N force after being stretched by 3.0 cm from its equilibrium length. By how much will the spring force increase if the spring is stretched from 5.0 cm away from equilibrium to 6.0 rm cm from equilibrium? I dont know how to approach this at all or how to ...
July 27, 2011 by falcon306

Visual Basic - Computer Science
I'm trying to right a program with Multidimensional Arrays. These are the instructions for the program: The Valley Boulevard (VB) Auto Center management is pleased with your progress in developing their system. They require you to develop a new feature for their system. Main ...
December 19, 2010 by Dylan

Physics
An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section of the pipe is 4.00 m/s and the velocity of the fluid in the narrow section of pipe is 9.00 m/s. The pressure of the fluid in the wide section is 250...
November 10, 2013 by Mikhail

Calculus
*Optimization problem* I'm okay at some optimization problems, but this one has me stumped. You work for a company that manufactures circular cylindrical steel drums that can be used to transport various petroleum products. Your assignment is to determine the dimensions (...
November 29, 2012 by Zared

PHYSICS HELP
The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the magnitude of the lift force is given by FL (0.021 N·s2/m2)v2 The bat can fly in a horizontal circle by "banking" its wings at an angle è, as shown in...
November 4, 2010 by Taylor

Physics
A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the force F applied to the handle? and.. A paleontologists estimate that if a Tyrannosaurus rex ...
January 13, 2010 by amy

Physics
A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the force F applied to the handle? and.. A paleontologists estimate that if a Tyrannosaurus rex ...
January 14, 2010 by amy

Chemistry
A 110.-g sample of copper (specific heat capacity = 0.20 J/°C · g) is heated to 82.4°C and then placed in a container of water at 22.3°C. The final temperature of the water and copper is 23.5°C. What is the mass of the water in the container, assuming that all the heat lost by...
July 11, 2011 by Brittney

Physics
Calculate how much work does a block of aluminum of mass 100 kg do if it is heated at P = 1 atm from 20 degrees to 660 degrees. n.b. - The density of solid aluminum at 20 degrees is p= 2.7 g/cm^3. When it is liquid at 660^C the density of the liquid state is decreased to 2.38 ...
October 22, 2013 by Anonymous

IPC-Science
The specific heat of gold is 0.031 calories/gram°C. If 10.0 grams of gold were heated and the temperature of the sample changed by 20.0°C, how many calories of heat energy were absorbed by the sample? 6.2 calories 0.016 calories 6,451 calories 0.062 calories
January 10, 2014 by Kali

abiapoly heat energy
500g of copper is heated from 30 degree celcius to 120 degree celcius what is the quantity of heat supplied b.if the same quantity of heat is supplied to 300g of water initial at 30degree what will be the final temperature?
March 22, 2015 by sandra

Chemistry
Hello, I need help with calculations for lab. I prepared excess NaOH and HCL solutions (unknown conc., ~0.1M). Then I standardized my NaOH solution by titrating known amounts of KHP (Potassium hydrogen phthalate)with it in the presence of phenolphthalein (indicator turns pink ...
September 20, 2009 by Pavel

Calculus
A trough is triangular in cross section, an isosceles triangle with sides of 12 inches, and a top of 10 inches. The trough is 40 inches long. How fast is the depth changing if you are pumping one cubic foot per minute into the trough? I am having a hard time getting it in ...
December 4, 2012 by Reggie

Physics
When you lift a ball with a force of 82N, the ball accelerates upward with an acceleration of a. If you lift with a force of 92N, the balls acceleration is 2*a. Find the weight of the ball, and the acceleration a. I know that 82 = ma +mg 92 = m2a + mg That logic is correct ...
October 18, 2009 by Matt

Physics
a barrel of oil at rest has a mass of 65kg it is rolled down a 1.2m ramp. Due to constant force exerted on it, the barrel reaches a velocity of 4.2 m/s upon leaving the ramp. Find the constant force on the barrel while it is on the ramp? Help please.
August 8, 2011 by Tyners

physics
a 65 kg object is pulled at a constant velocity up an incline w/ a force of 95 N parallel to the incline. Assuming that the difference between the work output and input is work required to overcome friction, what is the force of friction along the incline (the length of the ...
April 8, 2011 by Jun

Physics
Please help! I've tried several times on my calculator and I can't get it right! Find the force of attraction on a 3 kg mass at the surface of a planet given the following information about the planet: mass = 5.98 x 1024 kg, radius = 6.38 x 106 m. Find the force if the radius ...
March 10, 2012 by Sam

physics
when a force (5*10^-4) is applied on a spring then it get expand by 5*10^-2.a small mass(0.01kg) is hanged at bottm end.after coming in equilibrium a force [f(t)=20cos(wt)] is applied at the top end for oscillation.what is the distance of small(0.01) from equilibrium position?...
March 18, 2012 by bhawani

physics
when a force (5*10^-4) is applied on a spring then it get expand by 5*10^-2.a small mass(0.01kg) is hanged at bottm end.after coming in equilibrium a force [f(t)=20cos(wt)] is applied at the top end for oscillation.what is the distance of small(0.01) from equilibrium position?...
March 18, 2012 by bhawani

physics
when a force (5*10^-4) is applied on a spring then it get expand by 5*10^-2.a small mass(0.01kg) is hanged at bottm end.after coming in equilibrium a force [f(t)=20cos(wt)] is applied at the top end for oscillation.what is the distance of small(0.01) from equilibrium position?...
March 18, 2012 by bhawani

physics
when a force (5*10^-4) is applied on a spring then it get expand by 5*10^-2.a small mass(0.01kg) is hanged at bottm end.after coming in equilibrium a force [f(t)=20cos(wt)] is applied at the top end for oscillation.what is the distance of small(0.01) from equilibrium position?...
March 18, 2012 by bhawani

PHYSICS
two masses m1=400.g and m2 =600.g are connected with a light string which goes over a frictionless pulley of negligible mass. the two systems are released from rest. a) what is the acceleration of each mass? b) what is the tension force in the string? and c) what is the ...
July 21, 2014 by EMMA

Physics
A force F acts to the right on a 4.81 kg block. A 2.53 kg block is stacked on top of the 4.81 kg block and can slide on it with a coefficient of friction of 0.2 between the blocks. The table has a coefficient of friction of 0.23. The acceleration of gravity is 9.8 m/s 2 . The ...
September 28, 2014 by Ahmed

PHYSICS!!!
Sucrose is allowed to diffuse along a 8.0-cm length of tubing filled with water. The tube is 6.1 cm2 in cross-sectional area. The diffusion coefficient is equal to 5.0 10-10 m2/s, and 8.0 10-14 kg is transported along the tube in 18 s. What is the difference in the ...
November 11, 2012 by k

physics
I need help devloping a procedure: Using several bags filled with different amounts of the same item, take the mass of each and develop (and enact) a procedure to determine the mass of a single item....This procedure is supposed to model Milikans oil drop experiement.
May 18, 2013 by HELP

Math 5th grade
Mrs. Rodriguez mixed water and plant food in a container and filled the container until it measured 6/8 gallon. She poured 4/8 gallon of the mixture on her geraniums and 1/8 gallon on her petunias. How much of the mixture did she have left after pouring ot on her plants?
December 9, 2013 by chris

Geometry
Jake has two similar cylindrical pipes. The radius of the first cylindrical pipe is 5 cm. The circumference of the second cylindrical pipe is 20π cm. The volume of the second cylindrical pipe is how many times greater than the volume of the first cylindrical pipe? A.3 B.4...
April 6, 2012 by how do i start working on this problem

british idioms
hello, i have a list of british idioms but if someone knows anything about the theory or something regarded to british idioms i would be grateful What theory? What do you want to know about British idioms? Please clarify your question, and we'll try to help you. Thank you for ...
January 11, 2007 by vil6

Mole fractions in a liquid mixture:
Acetone, C3H6O, and ethyl acetate, C4H8O2, are organic liquids often used as solvents. At 30 degrees C, the vapor pressure of acetone is 285 mm Hg and the vapor pressure of ethyl acetate is 118mm Hg. the solution is prepared at 30 degrees C by dissolving 27.0 g of acetone in ...
September 2, 2010 by Sar

Chemistry
Nitrogen and hydrogen react to form ammonia. Consider the mixture of N2 and H2 in a closed container. In this container there are 6 diatomic molecules of hydrogen and 6 diatomic molecules of nitrogen. assuming the reaction goes to completion draw a representation of the ...
March 3, 2010 by student

Gr. 12 Physics
A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the trip in 1/2 h. An 80km/h wind blows in a direction 30degrees E of S. Find the speed of the plane relative to air. I found the speed of the plane ...
September 30, 2012 by Myles

physics
A metal rod and a metal ball were submerged in a pot of water that is heated from 30°C to 80°C. At the bottom of the pot, one of the ends of the rod touches the ball. After heating the water, the ball moved. What is the final Velocity?
June 30, 2011 by kim

science
The specific heat of silver is 0.057 calories/gram°C. If 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°C, how many calories of heat energy were absorbed by the sample? (A)3,508 calories (B)0.029 calories (C)11.4 calories (D)0.114 calories
October 17, 2011 by emily

physics
suppose roy is driving his car at 60 mph and is not wearing his seatbelt, he is a bit sleepy,and dozes off for a second, and crashes into a brick wall.he is thrown forward through the windshield.is there a force that pushes roy through the window?if so, what causes this force?...
May 2, 2012 by lisa

Chemistry
A mixture of nitrogen gas and hydrogen gas reacts in a closed container to form ammonia gas. The reaction ceases before either reactant is completely consumed. At this stage the container has 3.0 mol each of all three gases; nitrogen, hydrogen and ammonia. How many moles of ...
June 30, 2013 by megs

pharmaceutical calculations
1. A chemical crystal weighs 3.630 grams in air and 1.820 grams when immersed in an oil. If the specific gravity of the oil is 0.837, what is the specific gravity of the chemical? 2. A piece of wax weighs 42.65 grams in air, and a sinker weighs 38.42 grams in water. Together ...
February 1, 2012 by eliza

Math
Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 144 in. Find the dimensions of a rectangular package that has a square cross section and largest volume that may be sent by priority mail. Hint: The length plus ...
March 30, 2011 by Anonymous

Math
Postal regulations specify that a package sent by priority mail may have a combined length and girth of no more than 129 in. Find the dimensions of a cylindrical package with the greatest volume that may be sent by priority mail. Hint: The length plus the girth is 2πr + l...
April 4, 2011 by Amber

Advanced Algebra
The volume V (r) of a sphere is a function of its radius r. Suppose a spherical snowball with a radius 2 f t started to melt so that the radius is changing at a constant rate of 4.5 inches per minute. If f(t) feet is the radius of the snowball after t minutes, do the following...
November 15, 2014 by Renzo

Math - Calculus
Im trying to understand related rates here and im getting stuck at this word problem. It says if V is the volume of a sphere with radius r, and the volume of the sphere decreases as the time passes. express dV/dt in terms of dr/dt. Describe the relationship in words. I dont ...
December 7, 2006 by Cosmo

math PLEASE HELP!!!!!
Rectangular Prism: Length: 41 ft Width: 32 ft Height: 49 ft 1. Find the surface area for the given prism. (1 point) 7,154 ft^2 2,624 ft^2 9,778 ft^2 8,432 ft^2. Find the volume of the same prism. (1 point) 64,288 ft^3 31,312 ft^3 32,009 ft^3 323,208 ft^3 i know the formulas ...
April 9, 2014 by TTR+S<3

Art answer check
1. Ann Hamilton's "Indigo Blue" is an example of what kind of art? Feminist Art Action Painting x Installation Art Video Art 2 The events in contemporary Iran give this artist context for films and videos by this artist: Wemda Gu x Shirin Neshat Zaha Hadid El Anatsui 3. . ...
April 5, 2013 by kristina

sience
Will we ever run out of air? Air is stuck to the planet by gravity, it won't leave. Two things are adding to the air all the time too, the planet is always releasing gasses from volcanoes and volcanic vents, and there are some meteors that are mostly ice that evaporate when ...
December 9, 2006 by Eva

Consumer Math
Find the annual amount of FICA at a 7.51% rate by computing his annual salary. Sam Takagi Weekly salary: $435.16 Not self-employed Find the annual amount of FICA by computing his annual salary. $169,938.68 $16,993.87 $1,699.39 2. Find the annual amount of FICA at a 7.51% rate...
April 27, 2012 by Emily

torque
what happens to torque where force is applied? what happens to torque when force is moved from axis of rotation? what happens to torque when d changes? I will be happy to critique your thinking on this.
January 16, 2007 by Anonymous

physics
The centers of a 6.0 lead ball and a 70 lead ball are separated by 8.0 . What gravitational force does each exert on the other? What is the ratio of this gravitational force to the weight of the 70 ball?
October 31, 2010 by ellen

physics
(a) A car with a mass of 950 kg is moving to the right with a constant speed of 1.45 m/s. What is the total force on the car? (b) What is the total force on the car if it is moving to the left?
February 21, 2014 by Anon

physics
A man pulls a wagon with a handle that is at an angle of 42° with the ground. If the man pulls with 330 N of force, how much force pulls the wagon forward?
November 28, 2014 by Jamal

calculus
2. Let R be the region of the first quadrant bounded by the x-axis and the cuve y=2X-X^2 a. Find the volume produced when R is revolved around the x-axis b. Find the volume produced when R is revolved around the y-axis
March 9, 2012 by Taeyeon

Physical Geography
Will someone please check my work? I cannot seem to post the map that is in the workbook. Assume that a parcel of air is forcd to rise up and over a 4000 meter high mountain.The initial temp of the parcel at sea level is 30*c, and the LCL of the parcel is 2000 meters. The DAR...
April 1, 2011 by Chaseone

thermodynamics
At 2068.44kPaa, 37.8 celcius, 0.142 cubic meter of methane have a total mass of 1.82kg. Using avogadro's principle find the mass of carbong dioxide contained in a 0.85cubic meter tank at 2068.44kPaa,37.8 celsius
September 17, 2012 by chi

physics
two air carts of mass m1=0.87kg and m2=0.48kg are placed on a frictionless track.cart 1 is at rest initally, and a spring bumper with a force constant of 690N/m. cart 2 has a flat metal surface for a bumper, and move toward the bumper of the stationary cart with an intial ...
November 18, 2010 by jheel

science
A science student drops a rok down a mine shaft. It takes 3 sec. for the rock to hit the bottom of the shaft , at what speed of the rock just before impact? 32 feet per second per second is the acceleration rate of earth. At the end of second 1 the speed is 32 feet per second...
October 24, 2006 by pat

Chemistry
Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is -[NO]/t...
August 4, 2014 by Jesse

Chemistry
Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is -[NO]/t...
August 4, 2014 by Jesse

Calculus 2
how do I find the fluid force of a vertical semicircle that has been divided into three equal sectors of 60 degrees each. I know what the equation to find the fluid force for the whole semicircle is. but how do I find L(y) for each semicircle.
October 11, 2012 by Laura

Chemistry
When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 3.0 g Ag and 3.0 g S8? 16 Ag(s) + S8(s) > 8Ag2S(s)
May 6, 2012 by Pat

Justice system
The organization of policing has both bureaucratic and __________ characteristics. A. chaotic B. civilian C. military D. corporate im confused between B n C 2. “Strategic leniency” in police management refers to: A. police discretionary behavior during encounters with minor ...
May 14, 2013 by Amy

"Classical music student"
Please ask a specific question. That is a huge general area. Here are some very general sites: http://en.wikipedia.org/wiki/Classical_music http://www.classicalarchives.com/ http://www.classical.net/
January 18, 2009 by GuruBlue

physics
A block of mass 3 kg initially at rest is pulled along a friction less horizontal surface with a force of 4N. The speed of the block at t=2s is a)4/3 m/s b)8/3m/s c)4 m/s d)8m/s e)24m/s For this problem this is a graph. Some of the points on the graph are (0,0),(1,2),(2,4),(3,...
December 29, 2006 by me

Marketing
T/F Malibu Beach Parties finds that the tastes and preferences of its customers change more rapidly than in the past. The manager is constantly looking for external ideas from customers, suppliers, competition, and the sales force I think this answer is false becuase sales ...
March 29, 2008 by Jackie

physics
A 59.1 kg ice skater, moving at 13.3 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 6.65 m/s. Suppose the average force a skater experience without breaking a bone is 4656 N. If the impact time is 0.166 s, what is ...
March 23, 2012 by Anonymous

physics
A 59.1 kg ice skater, moving at 13.3 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 6.65 m/s. Suppose the average force a skater experience without breaking a bone is 4656 N. If the impact time is 0.166 s, what is ...
March 23, 2012 by Anonymous

PHYSICS
The hydraulic gradient in an 10-ft-thick aquifer at a site of uniform flow prior to pumping is -0.02. The hydraulic conductivity is 100 ft/day. True or False: After pumping starts at a well at a rate of 10,000 cubic feet per day, the distance from the well to a point of ...
March 9, 2011 by MARK

Physics
A man of mass 82 kg is using crutches. the crutches make an angle of 26 degrees with the vertical. Half the person's weight is supported by the crutches. Assuming that the person is at rest, find the magnitude of the force supported by each crutch. the way i did this question...
September 27, 2009 by Hannah

physics
A man of mass 82 kg is using crutches. the crutches make an angle of 26 degrees with the vertical. Half the person's weight is supported by the crutches. Assuming that the person is at rest, find the magnitude of the force supported by each crutch. the way i did this question ...
September 27, 2009 by Hannah

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