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Questions Asked on November 17, 2010

You push down on a 3 N box for 10 Minutes. How much work was done?
1. 3 answers
2. asked by tyd
3. 10,931 views
The figure shown the chain drive of a bicycle. How far will the bicycle move if the pedals are rotated at 180°. Assume the
1. 2 answers
2. asked by paula
3. 6,324 views
You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.
1. 5 answers
2. asked by Anonymous
3. 6,143 views
Write skeleton equations for these reactions.a. hydrogen iodide(g) --> hydrogen(g) + iodine(g) b. aluminum(s)+iodine(s)-->
1. 17 answers
2. asked by Lily
3. 4,371 views
Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical
1. 3 answers
2. asked by Anonymous
3. 4,369 views
how to split up using sum and difference identitiescos (13pi/12) PLeaseeeeeeeeeee help!!! thanx a million
1. 1 answer
2. asked by Sabrina
3. 4,033 views
A model airplane with a mass of 0.748 kg is tethered by a wire so that it flies in a circle 30.2 m in radius. The airplane
1. 2 answers
2. asked by Anonymous
3. 3,844 views
A brass plug is to be placed in a ring made of iron. At 20 degrees Celsius, the diameter of the plug is 8.737 cm and that of the
1. 2 answers
2. asked by Phil
3. 3,792 views
A 100 inch piece of wire is divided into 2 pieces and each piece is bent into a square. How should this be done in order of
1. 1 answer
2. asked by katie
3. 3,637 views
Magnesium has three naturally occurring isotopes: 24 Mg (23.985 amu) with 78.99% abundance, 25 Mg (24.986 amu) with 10.00%
1. 3 answers
2. asked by Anonymous
3. 3,359 views
What is the molecular mass of cholesterol if 0.5731 mol weighs 221.6g?I need to show my work using conversion factors. thanks
1. 3 answers
2. asked by john
3. 3,209 views
why is sugar more soluble in water than in canola oil???? in english please ive asked this question and it didn't make sense
1. 6 answers
2. asked by Petra Q.
3. 3,115 views
A fair coin is tossed seven times. what is the probability of getting at least one tail?
1. 4 answers
2. asked by Maryan
3. 3,009 views
The separation of a mixture of benzoic acid and benzoin in dichloromethane into its pure compounds by a combination of solvent
1. 11 answers
2. asked by Davia
3. 2,975 views
A stone is thrown vertically upwards from the top of a tower 50.0m high with an intial velocity of 20.0m/s. (a) whats the
1. 2 answers
2. asked by Jess
3. 2,886 views
Find the measures of two supplementary angles if the difference of their measures is 56 degreesI know supplementary angles are
1. 4 answers
2. asked by Dani
3. 2,834 views
Describe how you would prepare 250 ml of a 0.10M NaCl solution?
1. 2 answers
2. asked by Tina
3. 2,454 views
Juan charges $3.50 per hour for babysitting. Write a rule to describe the amount of money (M) earned is a function of the number
1. 11 answers
2. asked by Johnny
3. 2,435 views
what did the baby porcupine say when it backed into a cactus?
1. 4 answers
2. asked by tina
3. 2,433 views
An antelope is at a distance of 20.0 m from a converging lens of focal length 32.0 cm. The lens forms an image of the animal. If
1. 1 answer
2. asked by flame
3. 2,343 views
A. ) A goodyear blimp typically contains 5400 m cubed of helium at an absolute pressure of 1.1*10^5 Pa. The temperature of the
1. 2 answers
2. asked by joe
3. 2,186 views
Near the equator, the Earth's magnetic field point almost horizontally to the north and has a magnitude of B = 50 micro T. What
1. 1 answer
2. asked by Ri
3. 2,021 views
A stationary 25kg object is located on a table near the surface of the earth. The coefficient of kinetic friction between the
1. 5 answers
2. asked by Charmaine
3. 2,019 views
multiple selectSelect all of the items that are true about a sample of water vapor at 101°C as it cools. 1) Its temperature
1. 2 answers
2. asked by danny
3. 1,988 views
The specific heat of ice is 0.5 calories/gram.60 grams of ice will require _____ calories to raise the temperature 1°C. so i
1. 5 answers
2. asked by Jon
3. 1,983 views
Find the value of sec theta for angle theta in standard position if the point at (–2, –4) lies on its terminal side.If 0°
1. 1 answer
2. asked by hannah
3. 1,900 views
What is the total force on the bottom of a swimming pool 22.0 m by 8.9 m whose uniform depth is 1.6 m?What is the absolute
1. 6 answers
2. asked by Cory
3. 1,833 views
An elevator cable breaks when a 950 kg elevator is 23 m above a huge spring (k = 2.3×105 N/m) at the bottom of the shaft.
1. 2 answers
2. asked by Sasha
3. 1,761 views
How many milliliters of a 0.75 M HCL solution do you need to obtain 0.0040 mol of HCL?
1. 1 answer
2. asked by Cindy
3. 1,647 views
what is 2.47 rounded to the nearest tenth?
1. 4 answers
2. asked by Lucy
3. 1,606 views
what is the delta u when 1.00mol of liquid water vaporizes @ 100C? The heat of the vaporization, delta h, of water @ 100C is
1. 3 answers
2. asked by yesenia
3. 1,595 views
At what point in the first quadrant on the parabola y=4-x^2 does the tangent line, together with the coordinate axis, determine
1. 1 answer
2. asked by Presleigh
3. 1,559 views
Write skeleton equations for these reactions.a. butane(l) + oxygen (g) --> carbon dioxide(g) + water(l). b. aluminum
1. 3 answers
2. asked by Lexie
3. 1,515 views
17. During _______, the historian is concerned with the finding out if the artwork represents a particular style of art.a.
1. 3 answers
2. asked by mysterychicken
3. 1,482 views
An object is solid throughout. When the object is completely submerged in ethanol alcohol., its apparent weight is 15.2 N. When
1. 3 answers
2. asked by david
3. 1,428 views
Help! I'm not sure how to start or how calculate. This is the project. Using For Next Loops.- When $1000 is deposited at 5
1. 6 answers
2. asked by Lee
3. 1,426 views
A 120 kg astronaut (including space suit) acquires a speed of 3.00 m/s by pushing off with his legs from an 1900 kg space
1. 1 answer
2. asked by Linda
3. 1,423 views
According to some students, what is the true purpose of homework
1. 3 answers
2. asked by daniel
3. 1,399 views
A rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a centripetal acceleration of 3.0 m/s^2. If
1. 1 answer
2. asked by helmuth
3. 1,394 views
compare and contrast karyotype studies and pedigrees using a venn diagram
1. 1 answer
2. asked by dustin
3. 1,380 views
A ball is thrown upwards on the moon with an initial speed of 35m/s. Calculate (a)the time taken to reach the maximum height.
1. 7 answers
2. asked by Jess
3. 1,349 views
A truck increases its speed from 8 m/s to 28 m/s over a distance of 120 m? How long does this take? Assume that the acceleration
1. 1 answer
2. asked by TERI
3. 1,338 views
How many grams of Au2S can be obtained from 1017 mol of Au? The answer is 249. How did they get that?
1. 2 answers
2. asked by Kim K
3. 1,328 views
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 3.30 m.
1. 2 answers
2. asked by Ashley
3. 1,314 views
Calculate the mass of air in an air-filled tire and the mass of helium in a helium-filled tire. What is the mass difference
1. 1 answer
2. asked by Amanda
3. 1,302 views
The oxide ion O2- has the same electron configuration as neon?
1. 2 answers
2. asked by joly
3. 1,301 views
As a young boy swings a yo-yo parallel to the ground and above his head, the yo-yo has a centripetal acceleration of 250m/s^2.
1. 1 answer
2. asked by helmuth
3. 1,291 views
To eject electrons from the surface of potassium metal, 222kJ/mol of electrons are needed.a) What minimum frequency of light is
1. 2 answers
2. asked by qwerty123
3. 1,290 views
Write the three thermochemical equations needed to calculate the delta H for the below reaction.?2Mg(s) + O2(g) --------> 2
1. 0 answers
2. asked by Barbara
3. 1,289 views
Microwave ovens emit microwave radiation that is absorbed by water as heat. Suppose that the wavelength of the radiation that is
1. 2 answers
2. asked by qwerty123
3. 1,263 views
The angular speed of a propeller on a boat increases with constant acceleration from 11 rad/s to 26 rad/s in 2.4 seconds.
1. 1 answer
2. asked by Courtney
3. 1,245 views
If you borrow $1000.00 at 6% for one year, how much interest will you owe. how much will you have to pay back
1. 1 answer
2. asked by carolyn
3. 1,192 views
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian
1. 1 answer
2. asked by Brittney
3. 1,181 views
In the figure below, two point particles are fixed on an x axis separated by a distance d. Particle A has mass mA and particle B
1. 0 answers
2. asked by Alex
3. 1,180 views
This is about direct variation.The area a painter can paint varies directly with the amount of time he works. One morninig, he
1. 1 answer
2. asked by David
3. 1,178 views
What is Gerald Manley Hopkins praising? Explain why.
1. 0 answers
2. asked by jlew
3. 1,161 views
Mrs. Rossi wrote the following clus for a mystery 4-digit number..The tens digit is twice the one digit .The hundreds digit is
1. 1 answer
2. asked by gabriella
3. 1,156 views
The bonds in SiCl4(l) are srtonger than the bonds in SnCl4(l)? True or false and why? Thank u
1. 1 answer
2. asked by joly
3. 1,148 views
Supply the missing premise or conclusion of the ff. enthymeme in such a way that the resulting syllogism is valid. Write the
1. 4 answers
2. asked by Claudia
3. 1,147 views
A plank 2.00 cm thick and 15.0 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board
1. 0 answers
2. asked by Amber
3. 1,142 views
A sample of a gas occupies a volume of 1158 mL at 59ºC and 0.76 atm. What would be the new volume if temperature decreases to
1. 1 answer
2. asked by Chris
3. 1,109 views
A helium baloon has a volume of 28.9L, what is the mass of helium inside the ballon? what is the mass of the same volume of air
1. 1 answer
2. asked by Ashley
3. 1,093 views
Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall
1. 4 answers
2. asked by Evelyn
3. 1,091 views
find AB if BD is a median of triangle ABC
1. 0 answers
2. asked by sue
3. 1,063 views
Kaochlor, a 10% (m/v) KCl solution, is an electrolyte solution. How many milliequivalents of K+ are in a 30 ml dose.
1. 3 answers
2. asked by Susie
3. 1,054 views
Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b +
1. 0 answers
2. asked by HELP
3. 1,054 views
is islands,citizens,frogs,streets,citys,statues,nations, views , and museums a singular possessive noun or a plural possessive
1. 1 answer
2. asked by blank
3. 1,051 views
Directions: Circle the word that describes the subject of a sentence.Our teams are great. Would it be teams?
1. 1 answer
2. asked by Dog
3. 1,049 views
Write skeleton equations for these reactions.a. butane(l) + oxygen (g) --> carbon dioxide(g) + water(l). b. aluminum
1. 1 answer
2. asked by Lily
3. 1,046 views
Please help!x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan
1. 4 answers
2. asked by Roger
3. 1,043 views
A cylinder with a piston is filled with ideal gas. The gas temperature is held at 450 K. The cylinder is heated by an oven
1. 0 answers
2. asked by Help
3. 1,043 views
For this problem, tell whether each relationship is a direct variation. Explain.x | -3 | -6 | -9 | y | 18 | 36 | 54 | My teacher
1. 0 answers
2. asked by David
3. 1,039 views
write five sentences about birthday celebration
1. 5 answers
2. asked by ramesh
3. 1,031 views
Use differentials (or a linear approximation) to estimate (2.001)^5
1. 0 answers
2. asked by cel
3. 1,022 views
Give the real solution set for each of the following:42) log(6)(x^2+11) + log(6)x = 1 + log (6)(x^2+1)
1. 1 answer
2. asked by Y0gi
3. 1,018 views
A coast guard helicopter receives a distress signal from a boat. the units (15,80) (55,38)represent miles. to the nearest
1. 2 answers
2. asked by Loren
3. 1,012 views
A student weighs out a 14.0 g sample of Fe(NO3)2, transfers it to a 500 mL volumetric flask, adds enough water to dissolve it
1. 1 answer
2. asked by cristy
3. 1,010 views
Evaluate the integral:the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this
1. 0 answers
2. asked by Adam
3. 1,008 views
in the miracle worker what does it mean when helen touches her own cheeks
1. 1 answer
2. asked by tyler
3. 990 views
If B is the midpoint of line AC, D is the midpoint of line CE, and line AB is congruent to line DE, then AE equals 4AB
1. 1 answer
2. asked by Tara
3. 980 views
2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g)if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting
1. 3 answers
2. asked by julia
3. 978 views
With waht speed must a baseball be thrown upward from the ground in order to reach the top of the Washington Monment? (The top
1. 0 answers
2. asked by Anonymous
3. 978 views
When a carpenter shuts off his circular saw, the 10.0-inch diameter blade slows from 4665 rpm to zero in 2.00 s. What is the
1. 0 answers
2. asked by Courtney
3. 972 views
How do I calculate the future value of the following?$5,000 compounded annually at 12% for 2 years $5,000 compounded
1. 1 answer
2. asked by Katherine
3. 968 views
Can you check my code and tell me why the prompts are not showing up on the webpage:<html> <Head> <title>Homework 8</title>
1. 0 answers
2. asked by Anonymous
3. 966 views
Write each of the following as a single logarithm:8) ((5-log x)/4) + 4log y =
1. 0 answers
2. asked by Y0gi
3. 960 views
Please help this question is from my unit on linear programing and I'm having trouble completing it.A company manufactures
1. 1 answer
2. asked by Maddy
3. 947 views
Write skeleton equations for these reactions.a. hydrogen iodide(g) --> hydrogen(g) + iodine(g) b. aluminum(s)+iodine(s)-->
1. 2 answers
2. asked by Lola
3. 932 views
The following data are weights of hummingbirds (in grams) randomly selected from a population. Which histogram best portrays
1. 0 answers
2. asked by Anonymous
3. 930 views
The company offers two types of sales: 1. Internet sales; 2. Store sales. The marketing research manager believes that the
1. 0 answers
2. asked by Todd
3. 914 views
Suppose a cord is a heavy rope of mass 1.0 kg. Calculate the acceleration of each box and the tension at each end of the cord,
1. 1 answer
2. asked by kavi
3. 913 views
i need to find some info on kyotohow have people adapted to this environment? has the physical landscape/environment influenced
1. 2 answers
2. asked by anonymousss
3. 913 views
A marketing research ﬁrm suspects that a particular product has higher name recognition among college graduates than among
1. 0 answers
2. asked by Joshua
3. 911 views
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student
1. 1 answer
2. asked by Anonymous
3. 904 views
A typical coal-fired power plant burns 310 metric tons of coal every hour to generate 790 MW of electricity. 1 metric ton= 1000
1. 1 answer
2. asked by Jennifer
3. 904 views
Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b +
1. 0 answers
2. asked by james
3. 899 views
A ceiling fan is rotating at 0.70 rev/s. When turned off, it slows uniformly to a stop in 2.9 s.(a) How many revolutions does it
1. 1 answer
2. asked by Karen
3. 894 views
a 0.180 kg ball falls 2.5m. How much work does the force of gravity do on the ball?
1. 0 answers
2. asked by pete
3. 890 views
What kind of plays did Euripides write?allegories tragedies comedies miracle plays mystery plays morality play
1. 2 answers
2. asked by danny
3. 888 views
10.0 mL of 0.15M of sulfuric acid is titrated with 0.05M of sodium hydroxide. how many mL of sodium hydroxide solution are
1. 1 answer
2. asked by tim
3. 880 views

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