Archives
2011
June

Questions Asked on June 13, 2011

A light spring having a force constant of 125 N/m is used to pull a 9.50 kg sled on a horizontal ice rink. The coefficient of
1. 1 answer
2. asked by Student B
3. 3,778 views
bornite(Cu3FeS3)is copper ore used in the production of copper.when heated,the following reaction
1. 1 answer
2. asked by mushibwe lameck c
3. 3,177 views
use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms.show
1. 2 answers
2. asked by pre calc
3. 3,032 views
In the following reaction, which substance is acting as the Brønsted-Lowry acid?NH3 + H2O NH4+ + OH
1. 2 answers
2. asked by Johnny
3. 2,973 views
The Average density of Earth is 5.52g/cm^3. What is its density in a. kg/m^3 b. lb/ft^3. Please help me set up these equations.
1. 1 answer
2. asked by Grace
3. 2,662 views
use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms.show
1. 1 answer
2. asked by kevin
3. 2,424 views
The population of Las Vegas, Nevada in 2000 was 478,000 and is increasing at the rate of 6.28% per year. At this rate, when will
1. 2 answers
2. asked by Maisy
3. 2,303 views
how to determine composition of methanol-water from fractional distillation graph of temp/volume?
1. 1 answer
2. asked by Lola
3. 2,198 views
Popular wisdom is that eating pre-sweetened cereal tends to increase thenumber of dental caries (cavities) in children. A sample
1. 2 answers
2. asked by Thara
3. 1,988 views
A body thrown vertically up from the ground passes the height 10.2m twice at an interval of 10 sec. Its initial velocity was (g
1. 2 answers
2. asked by rohit rao
3. 1,962 views
Explain, in terms of particles, concentration, and reaction rate, what you expect to happen when methane gas (CH4) and hydrogen
1. 2 answers
2. asked by Johnny
3. 1,751 views
Assuming that the air temperature drops 6.5 Celsius degrees per 1000 m, compute the temperature at the tropopause if the
1. 1 answer
2. asked by Anonymous
3. 1,674 views
A is accumulated amount investing after p principal for t years at and interest rate of r compounded anually k is times per
1. 1 answer
2. asked by kevin
3. 1,658 views
Use the Henderson-Hasselbalch equation to calculate the pH of each solution:a solution that contains 1.05% C2H5NH2 by mass and
1. 2 answers
2. asked by HELP HELP
3. 1,529 views
A partial payment is made on the date(s) indicated. Use the UnitedStates Rule to determine the balance due on the note at the
1. 1 answer
2. asked by Melanie
3. 1,492 views
A box is pushed across the floor against a constant frictional force. The box is pushed across the room to the east in 30
1. 1 answer
2. asked by Casey
3. 1,487 views
Recently, an automobile insurance company performed a study of a random sample of 15 of its customers to determine if there is a
1. 2 answers
2. asked by Breezy
3. 1,377 views
Why is this sentence correct - concerning tensesI did my homework when I had watched TV. Does this mean that person did her/his
1. 11 answers
2. asked by Mark
3. 1,321 views
Describe the relationship between physical geography and world cultures.- my guess is that since geography has to do with
1. 1 answer
2. asked by *****
3. 1,275 views
Discribe the lifestyle disease/behaviour and explain 5 factors that contribute to the disease
1. 2 answers
2. asked by Faneli
3. 1,212 views
A car without ABS (antilock brake system) was moving at 16.5 m/s when the driver hit the brake to make a sudden stop. The
1. 1 answer
2. asked by Anonymous
3. 1,207 views
In a clinical trial of the drug Viagra, 117 patients reported headaches and 617 did not. What is the probability that a patient
1. 1 answer
2. asked by kati
3. 1,148 views
1. When I entered the room, he played the piano.2. When I entered the room, he started to play the piano. (Is #1 grammatical? Is
1. 1 answer
2. asked by rfvv
3. 1,123 views
how is the position of a particle moving along a straight line described by a number
1. 0 answers
2. asked by anmol
3. 1,122 views
A painter in a crate which hangs alongside a building, weighs 1000N.When the painter pull on the rope, the force he exerts on
1. 3 answers
2. asked by liang
3. 1,119 views
How many people took part in a soccer game in medieval England?1. Hundreds of people took part in a soccer game. 2. Hundreds of
1. 1 answer
2. asked by rfvv
3. 1,093 views
How many gallons of paint are necessary to paint the walls of a 15' by 12' room room with an 8' ceiling if one gallon of paint
1. 1 answer
2. asked by Garnett
3. 1,060 views
Given D=5, E=10 and F=4, evaluate D E/FMultiple choice 1/2 2 25/2
1. 1 answer
2. asked by jan
3. 1,055 views
write a paragraph explaining how you can apply writing elements such as evaluation, summary, synthesis, analysis to enhance your
1. 3 answers
2. asked by tt
3. 1,035 views
What is the pH of a solution that has a concentration of hydronium ions that is 4.7 × 10-4 molar H3O+? Show, or explain, the
1. 1 answer
2. asked by Johnny
3. 1,026 views
1. When I arrived at the station, the train had alrready left.2. When I arrived at the station, he had been waiting for me for
1. 2 answers
2. asked by rfvv
3. 993 views
how high is a tree that casts a 30 ft shadow at the same time a 10 ft pole casts a shadow which is 10 ft long?
1. 2 answers
2. asked by Anonymous
3. 987 views
An isosceles trapezoid with that bases 16 in and 34 in are inscribed in a circle such that one of the bases is the diameter.
1. 1 answer
2. asked by Michaela
3. 943 views
Factory Worker A is exposed to a sound of a constant intensity of 6.30 × 10–4 W m–2 at a distance of 1.00 m from a noisy
1. 1 answer
2. asked by nancy
3. 924 views
The population of Las Vegas, Nevada in 2000 was 478,000 and is increasing at the rate of 6.28% per year. At this rate, when will
1. 2 answers
2. asked by Maisy
3. 912 views
A reflecting, spherical Christmas tree ornament has a diameter of 8.0 cm. A child looks at the ornament from a distance of 20
1. 2 answers
2. asked by Ashley
3. 867 views
what did thomas alva edison invent?
1. 1 answer
2. asked by Phillip
3. 867 views
HiMy earlier question needed some clarification. I'm writing a monologue on a marginilised To Kill A Mockingbird character, I am
1. 5 answers
2. asked by Em
3. 855 views
A body moves 6 meters north than 8 meters east than 10 meters vertically upward. What is its resultant displacement from initial
1. 1 answer
2. asked by Anant
3. 852 views
a 2.0 kg particle is given a displacement (delta)r= 2.0i+3.0j (m). During this displacement, a constant force, F=2.0i-5j (N)
1. 2 answers
2. asked by unknown
3. 837 views
The mean weight (1.0042kg) of the contents of samples of 30 bags of sugar hasstandard error 0.008kg. Choose the option that is
1. 0 answers
2. asked by ben
3. 832 views
A sled with mass 20 kg is given a shove up a frictionless incline which makes an angle of 28 degrees with the horizontal.
1. 1 answer
2. asked by unknown
3. 820 views
If you earned $2,000 interest for 2 years at 7%, how much money did you originally invest?Thanks.
1. 5 answers
2. asked by Garnett
3. 815 views
how do you find the boiling temp of 2m of c6h12o6
1. 1 answer
2. asked by Alex
3. 811 views
two boys start running straight towards each other from two points that are 100m apart. one runs with a speed of 5m/s, while
1. 1 answer
2. asked by pavatharani
3. 776 views
A car traveling at 20 miles/hour stops in a distance of 15 feet when its brakes are locked. Assuming that the frictional force
1. 0 answers
2. asked by Casey
3. 763 views
is coefficient of correlation and coefficient of determination the same thing? or different?
1. 2 answers
2. asked by Thara
3. 753 views
1. The English liked soccer very much.(What is the part of speech of 'English'? An adjective or a noun?) 2. English people liked
1. 1 answer
2. asked by rfvv
3. 750 views
determine the pH of a solution made by mixing 8 ml of 1.10M acetic acid and 2ml 0.9 M sodium acetate solution. pKa for acetic
1. 1 answer
2. asked by Max
3. 722 views
does anybody have the questions and answers for examination 305000
1. 1 answer
2. asked by alana
3. 711 views
solve each equation algebraically and check it by substituing into the orignall equation.50e^0.035x=200 3LN(x-3)+4=5 Method of
1. 1 answer
2. asked by kelly
3. 709 views
a stone falls from a cliff and travels 34.3 in the last second before it reaches the ground. calculate the height of the cliff?
1. 1 answer
2. asked by pavatharani
3. 709 views
Assuming that the air temperature drops 6.5 Celsius degrees per 1000 m, compute the temperature at the tropopause if the
1. 2 answers
2. asked by Dee
3. 697 views
Find the lateral area of a rectangular prism if the base edges are 10 inches and 6 inches andwhose height is 5 inches
1. 2 answers
2. asked by benajmin
3. 689 views
discuss several ways computers are integrated into our business and personal lives?
1. 0 answers
2. asked by Cez
3. 669 views
researchers believe a new sleep on average 10 hours per night ( µ = 10), with a population standard deviation of 2.3
1. 0 answers
2. asked by jessica
3. 668 views
At what speed must a neutron travel to have a wavelength of 9.2 pm?
1. 6 answers
2. asked by Lance
3. 667 views
f 27.0 mL of Ca(OH)2 with an unknown concentration is neutralized by 32.40 mL of 0.185 M HCl, what is the concentration of the
1. 1 answer
2. asked by Johnny
3. 657 views
Shantisha BrownSC543-01 Article Critique 1 Mindes, Gayle; Murphy, Kathleen Torina (1982). The Importance of Play and Games in
1. 5 answers
2. asked by Shantisha
3. 656 views
an object is dropped from a tower. the distance in t seconds is given by d(t)=4.9t^2if the height of the tower is 146.9m , how
1. 2 answers
2. asked by jess
3. 646 views
What is the energy of a photon corresponding to radio waves of frequency 1.475 106 /s? I got 9.77e-28 as an answer and its wrong
1. 2 answers
2. asked by Lance
3. 642 views
how many grams of Copper (II) sulfate pentahydrate would you use to make 400.0 mL of .750 M solution?
1. 1 answer
2. asked by chelsea
3. 639 views
1. hydrogen Zn2. chlorine phase change 3. zinc N 4. lead physical change 5. breaking glass Pb 6. melting ice H 7. nitrogen Cl 8.
1. 1 answer
2. asked by sarah
3. 638 views
In lamens terms what is the contralateral femoral region?
1. 0 answers
2. asked by Curlyqty
3. 638 views
What do sodium bicarbonate and magnesium hydroxide have in common?
1. 1 answer
2. asked by Suzanne
3. 637 views
A space shuttle is spotted flying at an angle of elevation of 17° when sighted from Cape Canaveral. At the moment it is
1. 1 answer
2. asked by Kathy
3. 631 views
In the past a certain college has found that 35% of the students will grad within 4 years. A random sample of 450 students at
1. 0 answers
2. asked by danny
3. 625 views
A sample of cesium metal reacted completely with water, evolving 48.7 mL of dry H2 at 24°C and 774 mmHg. What is the equation
1. 1 answer
2. asked by Lance
3. 623 views
Would earthquakes of similar magnitudes in different regions of the Earth cause approximately the same levels of damage?
1. 1 answer
2. asked by Anonymous
3. 622 views
Consider N atoms con¯ned on a surface of area A at temperature T . The atomsform a two-dimensional (2D) gas of classical,
1. 1 answer
2. asked by esmat
3. 622 views
Why Americans should not count on Social Security for retirement.Even though Social Security may always have enough funds to
1. 2 answers
2. asked by Debbie
3. 616 views
Identify 10 environmental or human factors
1. 1 answer
2. asked by Stancey
3. 614 views
solve for x2ax+b=c
1. 1 answer
2. asked by Eddie
3. 610 views
. Consider a large number, N(0), molecules contained in a volume V (0) . Assume that there is no correlation between the
1. 1 answer
2. asked by esmat
3. 610 views
Calculate the density of an object with a mass of 109 grams and a volume of 123 ml. (Round your answer to 3 digits.)
1. 1 answer
2. asked by boo
3. 606 views
Vector A points in the negative direction. Vector B points at an angle of 35.0 above the positive x axis. Vector has a magnitude
1. 2 answers
2. asked by Julie
3. 605 views
An advertisment claims that a certain 1200 kg car can accelerate from rest to a speed of 25 m/s in 8.0 s. what average power
1. 1 answer
2. asked by unknown
3. 605 views
A grandfather pulls his grandson, whose mass is 20kg and who is sitting on a swing with ropes of length 2.50m, backward and
1. 1 answer
2. asked by unknown
3. 604 views
if sin where defined=1/5 and where defined is in quadrant I find the exact value of sin2 where defined
1. 1 answer
2. asked by sarah
3. 601 views
あa　かka さsa たta なna　はha まma やya らra　いi きki しsi ちti にni ひhi みmi りri うu くku すsu つtu
1. 1 answer
2. asked by Bayraa
3. 597 views
Consider a monohybrid cross between a pure tall plant and a dwarf plant. In F2 generation of this cross 4000 seedlings were
1. 1 answer
2. asked by Shivangi
3. 596 views
Consider a monohybrid cross between a pure tall plant and a dwarf plant. In F2 generation of this cross 4000 seedlings were
1. 1 answer
2. asked by Shivangi
3. 596 views
Substance A and substance B react to form substance C as described by the equation: A + B ↔ CIf only substance A and substance
1. 1 answer
2. asked by guilford technical college
3. 595 views
The mysterious man looked at a large wall map of Germany and the countries she shared borders with. "Before starting a war,
1. 2 answers
2. asked by Raymond
3. 593 views
What is the radius of the largest circle you can cut from a rectangular poster board with measurements 11 in. by 17 in?
1. 2 answers
2. asked by Anonymous
3. 584 views
a two digit number is four times the sum of its digits and twice the product of the digit. find the number using elimination
1. 1 answer
2. asked by abhishek
3. 582 views
find the surface are of cylinder with a radius of 5 m and a height of 8 m. Use 3.14
1. 3 answers
2. asked by jeremy
3. 578 views
A 735 N person walks up three flights of stairs, covering a total vertical distance of 10.0 m. If, as is typical, only 20.0% of
1. 1 answer
2. asked by Student B
3. 572 views
Write these numerals in expanded form using power of 10.a 39 b 104 c 516 d 7056 e 61238
1. 2 answers
2. asked by dhruv
3. 572 views
Selling price of a bond: Problem type 1On December 31, 2008, $140,000 of 9% bonds were issued. The market interest rate at the
1. 0 answers
2. asked by Nick
3. 572 views
A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300
1. 0 answers
2. asked by Tammy
3. 566 views
Calculate the work done by non conservative forces of a hockey stick hitting a tennis ball using elastic potential energy, and
1. 0 answers
2. asked by Pat
3. 559 views
My original question:How many gallons of paint are necessary to paint the walls of a 15' by 12' room with an 8' ceiling if one
1. 2 answers
2. asked by Garnett
3. 555 views
Thank you for your corrections. I'm still doubtful on a few things.I did some corrections myself. Can you please tell me if they
1. 1 answer
2. asked by Henry1
3. 546 views
I need help I have to write a research paper on compare and contrast Mac vs PC. Which one is better for the medical field and
1. 2 answers
2. asked by Susan
3. 541 views
find exact solution algebraically and check it by substituting into the original equation.2(10^-x/3)=20 logtiny4(x-5)=-1
1. 1 answer
2. asked by celeste
3. 538 views
how would I make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar HCl stock solution?
1. 1 answer
2. asked by jake
3. 535 views
how many mL of a .094 M NaOh are needed to neutralize 21.4 mL of .160 M HCL
1. 1 answer
2. asked by sha
3. 534 views
Given an initial value of 17 g, which is halving once each 32 hours, an exponential function in term of hour t which models this
1. 1 answer
2. asked by k
3. 531 views
2. A researcher hypothesized that the pulse rates of long-distance athletes differ from those of other athletes. He believed
1. 1 answer
2. asked by neil
3. 530 views

Back to June 2011

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025