Questions Asked on
September 30, 2010

Physics
A bob of mass = 0.250 is suspended from a fixed point with a massless string of length = 23.0 . You will investigate the motion in which the string traces a conical surface with halfangle = 25.0. What tangential speed must the bob have so that it moves in
asked by tim 
english
Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. In this sentence i need to know what part of speech these words or phrases are:
asked by jesse 
Physics
HOW DO I DO THIS? A daredevil is shot out of a cannon at 45.0° to the horizontal with an initial speed of 28.0 m/s. A net is positioned a horizontal distance of 51.0 m from the cannon. At what height above the cannon should the net be placed in order to
asked by Maddy 
physics
To hoist himself into a tree, a 66.0kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. He then pulls downward on the free end of the rope with a force of 366 N. Neglect any friction between the rope
asked by zay 
chemistry
Determine the oxidation state for the second element in Zn3(PO4)2 Thank you!
asked by benny 
PHYSICS
Pluto has a mass of 1.30 1022 kg and a radius of 1.18 106 m (a) What is the acceleration due to gravity on Pluto? (b) How much would a 4.7kg person weigh on this planet?
asked by STEPHANIE 
chem
Write a partial decay series for Rn220 undergoing the following sequential decays: á (alpha decay), á, â(beta decay), á. (Enter the mass number in the first raised box, the atomic number in the second lower box and the symbol of the element in the
asked by lisa 
Physical chemistry
Estimate the vapor pressure of sea water at 20C given that the vapor pressure of pure water is 2.338 kPa at that temperature and the solute is largely Na+ and Cl ions, each present in about .50 mol/dm^3. I'm pretty sure the formula to use is pj=xjpj'.
asked by Melissa 
11th grade
How many uranium atoms are there in 9.5 g of pure uranium? The mass of one uranium atom is 4 × 10−26 kg
asked by GABBY 
Physics
A daredevil is shot out of a cannon at 45.0° to the horizontal with an initial speed of 28.0 m/s. A net is positioned a horizontal distance of 51.0 m from the cannon. At what height above the cannon should the net be placed in order to catch the
asked by Caroline 
human resources
What economic, social, and political forces have made employee training more important today than it was in the past?
asked by Elaina 
physics
Surprisingly, very few athletes can jump more than 2.6 ft (0.8 m) straight up. Use d = 1/2 gt2 and solve for the time one spends moving upward in a 2.6 foot vertical jump. Then double it for the "hangtime"  the time one's feet are off the ground.
asked by Hannah 
Physics
A bullet (15 g) is shot horizontally into a block of wood (600 g), which is hanging in the end of a 300 cm weightless rope. The collision is fully inelastic. Calculate the velocity of the bullet, if the rope makes an angle of 45 degree to the vertical when
asked by winget 
College Physics
A concept question: Suppose that the centripetal force acting on an object in circular motion were increased to a new value, and the object remained in circular path with the same radius. How would its motion be affected?
asked by Eric 
Physics
Some sliding rocks approach the base of a hill with a speed of 11.0 m/s. The hill rises at 44.0 degrees above the horizontal and has coefficients of kinetic and static friction of 0.410 and 0.630, respectively, with these rocks. 1) Find the acceleration of
asked by . 
calculus
017 10.0 points Lance Armstrong is moving with speed 35 feet/sec and acceleration 4 feet/sec2 when he crosses the starting line of a stage in the Tour de France. Use a degree two Taylor polynomial T2(t) to estimate how far he travels in the next second. 1.
asked by Bob 
Physics
A boat takes 2 hours to travel 30 km down a river, then 6.5 hours to return. How fast is the river flowing?
asked by jim 
Stats
Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display floor space (square meters), X2 = competitors’ advertising expenditures (thousands of
asked by Mat 
physics
One of the fastest recorded pitches in majorleague baseball, thrown by Billy Wagner in 2003, was clocked at 101.0 mi/h. If a pitch were thrown horizontally with this velocity, how far would the ball fall vertically by the time it reached home plate, 60.5
asked by Maddy 
physics
You want to nail a 1.5 kg board onto the wall of a barn. To position the board before nailing, you push it against the wall with a horizontal force F to keep it from sliding to the ground. (a) If the coefficient of static friction between the board and the
asked by cooper 
Physical Science
A force of 400.0 N is exerted on a 1,250 N car while moving it a distance of 3.0m. How much work was done on the car?
asked by Casey 
physics
Your groceries are in a bag with paper handles. The handles will tear off if a force greater than 59 N is applied to them. (a) What is the greatest mass of groceries that can be lifted safely with this bag, given that the bag is raised with constant speed?
asked by tiffany 
English please help.
please read my paper for me .Please.please. Sir Gawain and Green Knight is an interesting poem. It has real mythic and symbolic power. It's an Arthurian story about the noble knight Gawain and the mysterious green knight. In this poem, Sir Gawain is full
asked by Anonymous 
3rd grade
a solution of 30% ethanol by weight has a density of 0.96g/ml at 25 degree celsius. find the molarity.
asked by pat.. 
chemistry
A 265 mL flask contains pure helium at a pressure of 747 torr. A second flask with a volume of 485 mL contains pure argon at a pressure of 721 torr .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial
asked by kat 
math
whts d answer 4 d pizzazz workseet that says "did u hear about...."
asked by kat 
US History
What features of the Constitution make it flexible enough to apply to the nation's needs today? Thanks MC
asked by mysterychicken 
math 156
a pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are ther and how many birds?
asked by debbie 
Physics
A bob of mass = 0.250 is suspended from a fixed point with a massless string of length = 23.0 . You will investigate the motion in which the string traces a conical surface with halfangle = 25.0. What tangential speed must the bob have so that it moves in
asked by tim 
chemistry
1 L FLASK CONTAINS NITROGEN ALONG WITH A DROP OR TWO OF WATER AT 40C THE TOTAL PRESSURE BEING 760 TORR .IF ALL THE CONTENTS ARE TRANSFERRED TO ANOTHER FLASK OF 0.5L AT THE SAME TEMPERATURE WHAT WILL BE THE PRESSURE SET UP IN THE SECOND FLASK? (AQUEOUS
asked by Anonymous 
Physics
If 100 m sprinters accelerate from rest for 3.5 s at 2.8 m/s^2, how far have they run to this point? How long will it take them to complete the 100 m sprint, assuming they maintain their speed the rest of the way? I found the distance, which is 17 m, and
asked by Emily 
ACC 233INCOME TAX
Tax Rates, latesha, a single taxpayer, had the following income and deductions for the year 2009. INCOME Salary $60,000 Business Income $25,000 Intrest income(bonds)$10,000 Taxexempt bond interes $ 5,000 ________ TOTAL INCOME $100,000 DEDUCTIONS: Business
asked by austin 
 Physical Education
Calculate the density in SI units of a solid cube that measures 5 cm on each side and has a mass of 350 g.
asked by meera 
home economics
name all the careers in home economics
asked by gggg 
chemistry
1 L FLASK CONTAINS NITROGEN ALONG WITH A DROP OR TWO OF WATER AT 40C THE TOTAL PRESSURE BEING 760 TORR .IF ALL THE CONTENTS ARE TRANSFERRED TO ANOTHER FLASK OF 0.5L AT THE SAME TEMPERATURE WHAT WILL BE THE PRESSURE SET UP IN THE SECOND FLASK? (AQUEOUS
asked by Anonymous 
physics
An airplane is flying with a speed of 240 km/hr at an angle of 27 degrees north of east. a) How fast is the plane flying north? b) How fast is the plane flying east?
asked by jacob 
english
In which sentence are the italicized words a dangling modifier? (A dangling modifier is a phrase that doesn't modify the noun that's near it.) A. Arriving ten minutes late, the store was closed for the night. B. Flying beneath the cloud, the pilot could
asked by Anonymous 
Math, Please help :/
At Mr.Vid's Video Rentals you can join his VId Club for a monthly membership fee pf $30. Club members pay only $.85 to rent each movie. If you are not a member of the VID club, the movies rent for $2.25 each.How many videos would you have to rent each
asked by alex 
physics
If the 36.1 N force continues, the box accelerates at 0.71 m/s^2. What is the coefficient of kinetic friction? What is the coefficient of static friction between the box and the floor? If the 36.1 N force continues, the box accelerates at 0.71 m/s^2. What
asked by Sam 
Math
Suppose you want to find the height of a flagpole. You know your height.You can measure the length of the shadow of the flagpole. Your friend can measure your shadow. How can you use ratios to find the height of the flagpole? Explain.
asked by Kasia Neil 
physics
A picture hangs on the wall suspended by two strings, with è = 61°. The tension in string 1 is 1.8 N. è is connected to string 1, and 32° is connected to string 2. (a) Is the tension in string 1 greater than, less than, or equal to the tension in
asked by jack 
English
What type of fallacy is "Never loan a tool to a friend. I did once and never got it back."
asked by Kayla 
physics
please help! physics doesn't click with me. thank you for your help! 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
asked by jack 
Physics
This has been posted before but I need someone to elaborate please. A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes
asked by Pandy 
Business Communication 1
11. If an audience is opposed to what you have to say or resistant to a change you are suggesting, a good approach is to: be as ambiguous as possible to avoid offending the members of the audience. begin the message with something both you and the audience
asked by Jimmy Zanes 
chemistry
A student determines that the density of a certain metal is 5.2 g/ml. Could the metal be lead? Why?
asked by Bob the Builder 
chemistry
Write a partial decay series for Po214 undergoing the following sequential decays: á, â, á, â. Use e for an electron. Use the format +1 or 1 for charge. a)a decay b)â decay c)a decay d)â decay
asked by lisa 
College Algebra
A bank loaned out 64000. Part of the rate at 14% per year and the rest of rate at 4% per year. if the interest received was 5160, how much was loaned at 14%? I'm not too sure how to approach this problem. Thanks in advance for the help.
asked by Locke 
chemistry
At 25 degrees celsius, the dimensions of a rectangular block of gold are 4.42 cm by 3.07 cm by 2.63 cm. The mass of the gold is 689g. I found that the density is 19.3g/cm^3 at 25 degrees but how will the density change if the temperature is increased to
asked by kate 
math
What is the Surface area of a glass bead that has the diameter of 11m? Express your answer to the nearest square mm. A glass bead would be a sphere. So the formula for that is> SA = 4ðr^2 = 4ð(5.5^2) = 380mm^2
asked by Emma 
physics
A football punter accelerates a 0.58 kg foot ball from rest to a speed of 7.0 m/s in 0.25 s.What constant force does the punter exert on the ball? Answer in units of
asked by nafta herrera 
math
Coming down the long hill,Nelson averaged 24 miles per hour. If it took him 5 minutes to come down the hill, how long was the hill? Please help
asked by Anonymous 
physics
A tennis ball is thrown straight up with an initial speed of 19.5 m/s. It is caught at the same distance above the ground. (a) How high does the ball rise?
asked by Tierney 
physics
A 124 balloon carrying a 22 basket is descending with a constant downward velocity of 16.3 A 1.0 stone is thrown from the basket with an initial velocity of 18.7 perpendicular to the path of the descending balloon, as measured relative to a person at
asked by =] 
geography
The meridian of 45 degrees east passes through what four continents
asked by tyrell 
English Frankenstein
If you have read Frankenstein please help me me with some review questions pertaining to chapters 17end. 1.How does the settings in these chapters, especially nature reflect the events and character development of the chapter. 2. How are victor and his
asked by Dawn 
10th grade
a solution of 30 percent by weight has a density of 0.96g/mL at 25 degree celcius.find the molarity and molality.
asked by quennie 
managerial Accounting
Smith Co uses a standard cost system for its single product in which variable manufacturing overhead is applied on the basis of direct labor hours. The following information is given: 4 Standard costs per unit: Raw materials (1.5 grams at $16) $24.00
asked by Klatoyaa 
ACC233 INCOME TAX
Computation of taxable income: The following information for 2009 relates to Tom, a single taxpayer, age 18. Salary $1,800 Intrest income $1,600 Itemized deductions $ 600 A. Compute Tom's taxable income assuming he is selfsupporting B. Compute Toms's
asked by austin 
physics
A dockworker loading crates on a ship finds that a 24 kg crate, initially at rest on a horizontal surface, requires a 79 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving
asked by Malcolm 
physics
What is the maximum speed with which a 1500{\rm kg} car can round a turn of radius 67 m on a flat road if the coefficient of static friction between tires and road is 0.65?
asked by sam 
physics
What is the average density of Mars? Mass = 6.42 x1023 kg, radius = 3390 km.
asked by angela 
College English
I'm writing an argument paper on school uniforms. I have wrote a thesis statement and need to have it checked. Any tips to improve would be helpful. Thanks! School uniforms should be required in all public schools because not only do they cut down on the
asked by Danielle 
physics
a ball rolling down a hill uniformly accelerated at 4 m/s2. assumong that it start from rest, what is its speed at the end of each of the first 3 s?
asked by Anonymous 
10th grade
This week, from Sunday until Thursday, the school drama team sold adult and student tickets to their play. The person in charge of selling the tickets kept a record of the number of adult and student tickets sold on each day. However, she forgot which day
asked by rashmi 
geometry
describe a pattern in the numbers 4,6,9,13,18
asked by jill 
college chemistry
Methane reacts with water to form CO and H2 as follows CH4 (g) + H2O (g) >< CO (g) + 3 H2 (g) The value of Kp at 298 K for the reaction is 7.7 x 1024, calculate Kc.
asked by mary 
math
My tens digit is double the ones digit . I am less than 50 and greater than 40 . ???
asked by brianna 
PHYSICS
A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 280 s. What is the magnitude of the centripetal acceleration of the car?
asked by Joshua 
math
Copy and place parentheses to make each statement true. 6 + 6 / 6 * 6 +6 = 24
asked by tammy 
chemistry
which of the followign reactions is the complete ion equation for the reaction between sodium sulfide and mercury(II) chloride? a. s2+Hg2+=hgs b. na2s+hgcl2= 2nacl+hgs c. nas+hgcl2=nacl+hgs d. 2na+ +s2 +2cl +hg2+= 2na+ +2cl+hgs
asked by chmstudent 
physics
When you push a 2.05 kg book resting on a tabletop it takes 2.45 N to start the book sliding. Once it is sliding, however, it takes only 1.50 N to keep the book moving with constant speed. What are the coefficients of static and kinetic friction between
asked by vonne 
Science
1. A Marine Weather station reports waves along the shore that are eight seconds apart. The frequency of the waves is therefore ___Hertz. 2. If a mosquisto beats its wings at the average rate of 600, what is the frequency? 3. The period of a 440 Hertz
asked by Ronnie 
calculus
Find the sum of the series (1)^n (5^(2n))/n! 1. sum = e^25 2. sum = e^−5 3. sum = 5 4. sum = e^5 5. sum = 25 6. sum = e^−25
asked by Bob 
math, really need some feedback on this asap.
7r4s=7 (7) 4r+7s=61 (4) 49r  28s = 49 16r + 28s = 244  65r = 195 195/65 = 3 (simplified) (3, is the first number of the ordered pair.) Now this is the part that I get lost on. I know I am suppose to substitute 3 into one of the equations
asked by SAP 
algebra
One day a store sold 45 pens, the zippedy do's at $8.50 & The Royal Blues at $9.75. In all, $398.75 was spent on the pens. How many Royal Blues were sold that day?
asked by Rick 
PHYSICS
A 287kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.810, and the log has an
asked by STEPHANIE 
Math
The points A(1, 2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.
asked by Dwight 
physics
In a historical movie, two knights on horseback start from rest 91 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.18 m/s2, while Sir Alfred's has a magnitude of 0.33 m/s2. Relative to Sir George's
asked by laura 
Math
Rosita earns money by walking dogs after school and on weekends. She walks madeline evry other day. Buddy every fourth day, and Ernie every fifth day. Today she walked all three dogs. How many days will it be before Rosita walks Madeline and Buddy on the
asked by Kenny 
math
Jill was given 3 red candies,2 blue candies,and 2 yellow candies. use several ratios to describe the candies Jill has
asked by danny 
chemistry
twothirds of the atoms that make up H2S are hydrogen. What percentage of the weight of hydrogen sulfide is the weight of the two hydrogens?
asked by Anonymous 
reimbusment methodology
Your hospital has just received a reimbursement rejection from the fiscal intermediary for two outpatient procedures that were performed on the same day. This rejection was probably generated by....A. the CCI outpatient code editor B. the internal auditing
asked by kathryn 
math need asap
4x+5y=27 x=264y 4(264y) + 5y = 27 104  16y+ 5y = 27 21y =  77 21y = 77 y = 77/31 Now, I’m suppose to return to the 2nd equation x=264y and substitute 77/31 for x, I don’t understand if the is correct way or how to get the answer for the ordered
asked by SAP 
physics
A 6.6 nC charge is located 2 m from a 4 nC charge. Find the magnitude of the electrostatic force that one charge exerts on the other.
asked by Nate 
Math help please
calculate missing dimension. square based pyramid has height 92cm and volume 5.4 m cube.
asked by Annie 
Physics
A river flows off the top of a 61 m high vertical cliff. If the water is travelling at 3 m/s horizontally as it flows over the cliff edge then, neglecting air resistance, how far from the base of the cliff does it land?
asked by Rebecca 
math
copy and place parentheses to make each statement true 22. 6*6+6*6=426 23. 6+6/6*66=0 24. 66*66+6/6=1 25. 6+6/6+6*6=6 26. 66/6*6+6=0
asked by mackenzzie 
american history
In reading the first two paragraphs of the Declaration of Independence, how do the writers justify their break from England ?
asked by Anonymous 
calc
Consider the following function. f(x) = 4x3 + x2  0.05x + 10 Find the two points on the graph at which the tangent line is horizontal. G
asked by Anonymous 
proper nouns
fill in blank with the correct proper noun 1.we finally decided to buy a _____________.(proper noun) 2. during ___________ there was very little to do around here.
asked by jen 
grammar
12. Identify the error in the following sentence. Emily didn't have no idea how to memorize so many lines. (1 point) runon sentence missing end punctuation double negative missing comma
asked by Anonymous 
English
I am stuck on this, please help! What type of fallacy is this sentence.. The Golden Gate Bridge in San Francisco ought to be closed down. After all, just look at all the suicides that have occurred there. I have looked several times, but cant seem to make
asked by Sarah 
management
Explain how each one of the following factors impact the four functions of management. In your explanation include specific examples of these impacts: 1) Globalization 2) Technology 3) Innovation 4) Diversity 5) Ethics The paper is on walmart. I am
asked by patiance 
Calculus
How would you plot the gradient vector field of f(x,y)=x^23*x*y+yy^2 on the domain [4,4]*[4,4] in Mathematica 7? I know the function is "VectorPlot" (h t t p : / / g o o . g l / p c S f), but I don't know how to isolate the x and y inputs because of
asked by Calvin 
Physics
Give 3 examples of applications of the conservation of angular momentum.
asked by winget 
Physics
Electric stairs bring people up from Newyork metro station. Calculate the power consumption of the stairs during the rush hour if the stairs elevate 120 persons per minute up to the street level 30 meters above. Assume that the average weight of passengers
asked by winget 
Physics
An artillery gun is trying to hit a target that is 7.2 km away. If the shell is fired at 680 ms1 at what angle above the horizontal should the gun be fired to hit the target assuming that air resistance is negligible? [g=9.8 ms2]
asked by Rebecca 
Math
Using the numbers 4, 9, 36 ... What is the sequence that I would put these numbers in to solve the equation ?  ? : ? Equals zero
asked by Lilly 
chemistry
each time you breath in, you take in 500 ml of air. the air you breath in is about 20% oxygen by volume. you breath roughly 8 times per minute when you sleep and lets assume you sleep for 8 hours in a night. given this information, how much mass would you
asked by Anonymous 
Human GeographyHelp!
Where is the largest concentration of people? East Asia If the physiological density is higher than the arithmetic density what can you infer? There's too many people for resources. What stage of the demographic transition has a rapidly delcining crude
asked by Kylie 
US History
At the Constitutional Convention, why did Virginia favor a plan by which states with larger populations would have more voting power in Congress than states with smaller populations? Thanks MC
asked by mysterychicken 
English
The most complicated journey I've ever had took place a year ago when I was going home with my friend. We even didn't leave Warsaw when the coach broke down. The driver tried to fix it by himself but he didn't manage. It took 30 minutes. We returned to the
asked by Ania 
Math
The points A(1, 2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.
asked by Dwight 
US History
17. Which of the following was designed to ensure that the President would not gain dictatorial powers over government? a. the system of checks and balances b. the Elastic Clause c. the Electoral College d. the Cabinet System of checks and balances gave
asked by mysterychicken 
chemistry honors
how many grams of a stock solution that is 85% H2SO4 by mass would be needed to make 150 grams of a 45.0 percent solution?
asked by jimmy 
math 5th grade
my number is a multiple of 4. It's a square number. It's less than 50 what is the number/numbers
asked by tryston 
calculus
supose that (f(x+h)f(x))/h=3x^26h+5 and f(1)=8. ind the equation of the tangent line to the graph of y=f(x) at x=1. if we write this equation in the form y=mx+b then m=? and b=?
asked by Thalia 
chemistry
If 1.00 {\rm mol} of {\rm{N}}_2 has a volume of 47.0 {\rm L} under the reaction conditions, how many liters of gas can be formed by heating 38.5 g of {\rm{NaN}}_3
asked by Anonymous 
8th grade
Math I am a fraction in simplest form. I am greater than1/3 and less than 1/2. The sum of all my digitsb is 8. the difference between my numerator and denominator is 7. What fraction am I?
asked by maria 
5th grade
melissa collected three kinds of autumn leaves ,oak,elm and maple.she has 2 times as many maple as elm leaves and 5 times as many oak as elm leaves .she has 32 leaves all together. how many of each kind does she have?
asked by trevor 
Physics
Part 1: A car accelerates uniformly in a straight line from rest at the rate of 2.2 m/s2. What is the speed of the car after it has traveled 52 m? Answer in units of m/s. the answer is 15.126 Part 2: How long does it take the car to travel 52 m? Answer in
asked by autumn 
math
Chris runs a ride at the carnival. He earns $14 an hour and a $50 bonus each day. Write an algebraic expression Chris can use to find the sum of his daily wages. Use the variable x to represent the unknown number?
asked by A.T. 
math
copy and place parentheses to make each statement true 22. 6*6+6*6=426 23. 6+6/6*66=0 24. 66*66+6/6=1 25. 6+6/6+6*6=6 26. 66/6*6+6=0
asked by mackenzzie 
pysics
a school bus takes 0.530 h to reach the school from your house. if the average velocity of the bus is 19.0 km/h to the east, what is the displacement?
asked by britt 
physics
A Norwegian hydroelectric power plant is built on a small river. The water falls 400m from the mountains to the turbines. The flow is 80 m3/s. Calculate: a) the produced electric power; b) the value of production of one day (unit price = 10 cnt/kWh). The
asked by winget 
Chemistry
What is the mass in grams of 4.556 x 10^30 lead atoms? Also the work.
asked by Maryanne 
Math
. Suppose you moved to another place where the cost of living was higher, but your job paid more there. If a new job at a different place doubled your income per year but also doubled your cost of living per year, then assuming your income per
asked by Rroyd 
Physics
A large piece of wood, of mass 56 kg, falls over a waterfall and into the drop pool below. It enters the pool travelling at 12 ms1 and is then subject to an upwards acceleration of 5.8 ms2 due to its buoyancy. How long does it take before it bobs to the
asked by Rebecca 
algebra
t+18.1=23.9
asked by kayla 
physics
Consider a pair of forces, one having a magnitude of 48 N, and the other 43 N. What maximum net force is possible for these two forces?
asked by Hannah 
math
How do you write a number in expanded form?
asked by Jenna 
Physics
There are two wheels with diameter 30 inches and 20 inches. The first wheel covers a certain distance in 240 revolutions. In how many revoluions would the second wheel cover the same distance?
asked by Lost In Studies 
hardware
Assuming a disk should never get more than 85% full (except for a recovery disk, if there is one), and assuming you were generating 200 MB of new data per week, at what point would you need to add another hard disk to this PC?
asked by malieha 
Physics
The international space station ISS travels now with a speed of 7352 m/s. Calculate a) the radius of its orbit; b) the height of the orbit; c) the period of its motion around Earth.
asked by winget 
Chemistry
The density of oak lumber is approximately 800km/m^3. What is the mass in grams of 4 cubic meters of oak? And the work.
asked by Maryanne 
math
1/6(3/4x2)=1/5
asked by b 
Math
Suppose you want to find the height of a flagpole. You know your height.You can measure the length of the shadow of the flagpole. Your friend can measure your shadow. How can you use ratios to find the height of the flagpole? Explain.
asked by Kasia Neil 
chemistry
write a balanced equation for the reaction of aluminum with platinum and chloride.
asked by genny 
Statistics  M/C
The weather forecaster reports that the probability of rain tomorrow is 10%. a. Which approach was used to arrive at this number? 1) Analytical (Classical) 2) Relative Frequency 3) Subjective
asked by Rhea 
math, really need some feedback asap.
5/8 x+1/16 x=11/16+x 16*(5/8 x+1/16 x) = 16(11/16+x) 10x + x = 11 + 16x, so the next step is: 11x = 11 + 16x (get xterms on the left.) x = 11 (divide by 1.) x = 11 Is this correct?
asked by SAP 
CALCULUS
i needed help on some problems and clarification on one. 1. Determine the location and type (removable, jump, infinite, or other) of all discontinuities of the function (x^23x+2)/(x^21) this section has been confusing for me for some reason, can any one
asked by Important 
Economics
What are the pitfalls to avoid when trading with India?
asked by Lucy 
Physics
Calculate the electric power produced by a wind mill, when the wind speed is 10 m/s and the radius of the rotor circle (wing length) is 15 m. The density of air is 1.25 kg/m3. The eefficiency of the wind mill is 45%.
asked by winget 
college
how long will it take $1250 to become $2000 at 3.5% interest compounded continuously? (round to nearest tenth of a year)
asked by Anonymous 
algebra
Can someone please explain to me why the line x=4 is a vertical line?
asked by Sam 
Math need by 9pm cst
Solve by elimination method. Please show step by step process. 7r4s=7 4r+7s=61
asked by SAP 
Business Communication
1. Good writing costs companies money and these costs increase significantly if the communication is ineffective. Which of the following pairs would NOT be two additional costs to the company if written communication is poor? Paper and wasted time Postage
asked by David Lemmings 
Physics
An aeroplane flies from Achester to Beeton taking 7.7 hours however the return flight takes 11.4 hours. This difference is caused by a constant wind which blows at 22.8 m/s from Achester to Beeton. Assuming that the plane travels at a constant airspeed
asked by Rebecca 
Answer Check Please
Andy and William work together to build a toy house. It will take William 5 hours and Andy 4 hours, or William 10 hours and Andy 2 hours to finish their work. If William works alone, how many hours will it take to finish his work? I say 15 is the answer.
asked by William 
chemistry
Determine the oxidation state for the second element in SO3
asked by kelly 
English
Please read this 4 me . "Sir Gawain and Green Knight" is an interesting poem. This poem has real mythic and symbolic power. It is an Arthurian story about the noble knight Gawain and the mysterious green knight. The unknown author of this poem introduce us
asked by Anonymous 
math
I am suppose to solve for the following prolbem using PEMDAS _ / _ * _ + _ * _ * _ / _ + _ * _ = 100
asked by Bear 
mathbobpursely
Sorry bobpursely, but may I know what the E stands for in your formula? What is the Surface area of a glass bead that has the diameter of 11m? Express your answer to the nearest square mm. radius= .0055m radius^2= 5.5E3 ^ 2=30.25 E6m 4PIr^2= about
asked by Emma 
Physics
A 10 kg box is pulled across the floor at a constant velocity of 3.0 m/s. If the box is pulled with a force of 40 N, what is the size of the frictional force between the box and the floor?
asked by katelyn 
vocab
which make sense? 1. how can you expect to succeed at your new job when you are( diffused, predisposed) to believe that it is " not right" for you? 2. an economy in which the marketplace is considered "open" is one in which competition is more or less
asked by jen 
10th grade
HOW DO YOU YOU ADD ALL THE HEARD MATH WITH THE EASY
asked by BRIA 
math
Can you use a proportion to solve any ratio problem? If you answer is yes, which ratio WOULD you NOT use a proportion to solve. If you answer is no, which ratio problem COULD you Not use a proportion to solve?
asked by Kasia Neil 
chemistry
Determine the oxidation state for the SECOND element in each of the following: NaF _____ Could you give me the steps to determine the answer
asked by kelly 
physics
The engineer of a Russian nuclear submarine lurking under the Arctic Sea reports an outside pressure of 35 ATM. How deep is the submarine? Neglect ice thickness.
asked by doug 
college
I need help to come up with a thesis statement for my paper on similarities and diffrence between the mesopotamia and egypt religions.
asked by Shenika 
Chemistry
Explain what would happen (and why) to the flavor of eugenol if the aromatic ring was saturated into a cyclohexane. I know the structures and that it is saturated with hydrogen, but what would happen to the flavor and why?
asked by Morgan 
math 5th grade
my number is a factor of 20. It's a;sp a factor of 30 what is my number or numbers
asked by tryston 
spanish
what spanish pronoun whould you use instead of saying mis companeros de clase?
asked by yo 
math need asap
7r4s=7 (7) 4r+7s=61 (4) 49r  28s = 49 16r + 28s = 244  65r = 195 195/65 = 3 (simplified) (3, is the first number of the ordered pair.) Now this is the part that I get lost on. I know I am suppose to substitute 3 into one of the equations
asked by SAP 
Math
Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ?  ? Divided by ? + ? equals 50
asked by Lilly 
geometry
Find the value of x and y if bisects and = 29.
asked by Anonymous 
Physics
A ball is rolling on a track with an intial velocity of 2.0m/s, E. If the acceleration is 1.5 m/s2, write a sentence that describes the ball's motion, i.e, what does the ball do each second?
asked by Jane 
2 grade math
Complete the chart to show the number 217 . 1 hund. blank tens and one ones?
asked by osi123456789 
email begin
Are there any users of gmail out there who would be willing to tell me what they think of this service from google? Besides that, I am thinking of setting up a new account with them. How would I do that? Anything you could tell that would facilitate me
asked by Andrés 
World Culture
What type of skills are needed to be independent in the U.S
asked by Jared 
computers
James was traveling for his job. The internet card provided by his company was not working and he had an important project due that day. James was in a small town about an hour away from the nearest internet kiosk, so he decided to drive around a nearby
asked by Ann 
managerial Accounting
Theater owners have to make competitive bids for the right to show a movie. They must sent the film distributor a proposal with 1. The length of run they provide. 2. The percentage of box office revenues that the theater will pay the distributor per week.
asked by Klatoyaa 
English
Can you check if these sentences are grammatically correct? Thank you. 1.The Elizabethan theatre was a wooden structure and had a rectangular or octagonal shape. 2.It consisted of three stages, i.e. the apron stage, the inner stage and the outer stage.
asked by Franco 
health
how do you distinguish between a management, nontraining and training issue? What are some examples of each type of issue?
asked by angie 
physics
If a car starts from rest and accelerates at 6.0 m/sec2 for 6.0 seconds. how far did it travel and how fast was it moving at the end of the 6.0 seconds
asked by danielle 
math problem
When a concrete structure is built, an engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with a bottom diameter 200mm, top diameter 100mm and height 300mm
asked by Emma 
Physics
An aeroplane flies from Achester to Beeton taking 7.7 hours however the return flight takes 11.4 hours. This difference is caused by a constant wind which blows at 22.8 m/s from Achester to Beeton. Assuming that the plane travels at a constant airspeed
asked by Rebecca 
English
Are any of these examples of imagery, personification, similie, metaphor, connotation, denotation 1) Pam is standing there with Joe's head in sink and this bottle of coloring that is red. Not normal hair color red, red like a maraschino cherry 2) I reach
asked by Heather 
calculus
find the derivative of the function (6x+1)/(19x+1)^1/2 PLEASE EXPLAIN IM LOST
asked by mike 
Chemistry
If a 6.00M solution of sodium hydroxide occupies 520 mL of space how many grams of NaOH is dissolved in the solution? (Remember M = moles/L). And the work.
asked by Maryanne 
math
A table is shaped like a regular hexagon. The length of one side is (2x + 2) in. and the length of another side is (3x − 4) in.. Find the length of a side
asked by Morgan 
second grade
I am having trouble, I have a question I think I got the answer because I kept multiplying and dividing, but I have to show my work but when i try, my answer is not the same. The question is A traffic light at one intersection changes every 28 seconds and
asked by Hailey 
12th grade
how high above the water is the center of the hoop?
asked by Anonymous 
Excel
Chapter Three 1. Using the following data for high school track athlete’s times (in seconds) for sprinting the 100m dash, calculate the following: a. Mean b. Median c. Mode d. Lower Quartile e. Upper Quartile f. 80th Percentile g. What percentile would
asked by Mice 
Math
Using the digits 1 through 9 complete the following number sentence ___ \ _____ x ____ +_____x_____x____ \ _____ + ____x _____=100
asked by Lilly 
algebra
please write an equation. what is the quotient of the sum and difference of 370 and 25
asked by Anonymous 
PHYSIC help!
a cart is pushed uphill on a ramp, goes up and momentarily stops, and then goes back down. predict the position vs. time, velocity vs. time, and the acceleration vs. time for this. IDK how to do this! i tried on the first one. on the graph, i have it
asked by michelle 
algebra
The heights, h of the students in the chorus at Central Middle School satisfy the inequality absolute value of h57.5/2< or = 3.25. Determine the interval in which these heights lie.
asked by nancy 
Math
Simplify: 2xsquared minus 4xsquared
asked by Erika 
US History
the temperance movemenr led to..
asked by briannna 
Finance
How do interest rates affect the decision to buy or not buy?
asked by Tammy 
physics
a postion vector with an magnitude 10m points to the right and up. its xcomponet is 6.0m. what is the value of its ycomponet?
asked by dana 
Physics
In a completely elastic collisions a ball with speed of 4 m/s and mass of 100 g hits another ball with mass of 200 g, which is originally at rest. Collision is central. Calculate the velocity of both balls just after the collision.
asked by winget 
Economics
Suppose a market with two sellers Seller 1 has a marginal cost of c1=20q1 and seller 2 has a marginal cost of c2=40q2 Find the market supply curve in a competitive market where the price = c1= c2
asked by Shane 
Geometry
3sqrt2 x 2sqrt2
asked by Anon. 
math
if wait is 8472 then what does stop represent in go+slow= stop
asked by Anonymous 
Math need by 9pm cst
Solve. Please show step by step process. 5/8 x+1/16 x=11/16+x
asked by SAP 
math
If each of 3 people has 2 bags of suckers and 3 more out of the bag, how many suckers do they have altogether? Prove your answer
asked by Rroyd 
College Eng 2
Im writting an argumentive paper on standardize test and I need an attention grabber.
asked by Jane 
Chemistry
Hello, I am looking just for someone to tell me how I go about doing this problem, ie. the formula that i would need to know for it. I would really like to figure it out on my own but I'm not sure how to. The mass ratio of Kr to F in a particular compound
asked by kathryn 
physics
A 225 block of ice sits on a level table. a) identiy the forces that act on the block and determine their magnitudes.
asked by katelyn 
Geometry
How to solve: the measure of an angle is 12 less than twice the measure of its supplement. What is the measure of the angle?
asked by nikki 
Math
I need to find the equation for the following (compound interest): number of years: 12 initial principal: 10000 annual interest rate: 0.03 additional investment each subsequent quarter: 500 The value in 12 years is 43074.4088874
asked by Trevor 
calculus
what is the quotient of the sum and difference of 370 and 25
asked by Anonymous 
calculus
ln(6x+1) + e^24x1
asked by bill 
English
1) She wears (and not she is wearing? if you are describing a picture) her hair into a bun. 2) She wears her hair in a pony and has got a twocolour hair band (on her head?) 3)In the top left (?) of the picture there is a window. Next to the window there
asked by Franco 
English
In my previuous post I forgot to indicate the assignment. I need to know how I can describe the picture of a room. 1) The girl in the picture wears her hair into a bun. 2) The girl next to her wears her hair in a pony and has got a twocolour hair band (on
asked by Franco 
Math
the sum of 4 and 9 is decreased by the square of a number
asked by A.T. 
History
8th Grade History; where is massachusetts bay located? what is the purpose of its discovery? advantage, and disadvantage. relationship with the local indian tribes. and 1 interesting fact. i cant find ANY of this. help?
asked by Cheyenne 
algebra
i don"t understand this problem n+9 /3=14
asked by linda 
english
can someone give me the summary of sherwood anderson's " a death in the woods"?
asked by eunice 
history
when was the Pact of Steel was it 23rd september 1939 or may 1939 thankyou!!
asked by LUCY 
Math need by 9pm cst
Solve by substitution method. Show step by step process. 4x+5y=27 x=264y
asked by SAP 
geometry
How do you find each angle of a triangle if its angles are in the ratio 1:3:6?
asked by Lyndsi 
math
3 people each want a set of ....lets say rubber bands($4) also they want the rubber band life prolonging solution($2). Oh snap! How much will it cost each person? How much will it cost altogether? Prove your answer
asked by Rroyd 
science
why is it so important to people to understand cellular biology?
asked by faith 
Algebra
what is the probability of rolling a matching pair of numbers when rolling a pair of dice?
asked by Jim 
math problem
When a concrete structure is built, an engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with a bottom diameter 200mm, top diameter 100mm and height 300mm
asked by Emma 
Chemistry
Would the molarity of 50 mL of 3% hydrogen peroxide be 1.76 M? Divided the moles of H2O2 .08818 by .05 L which equals 1.76M Does that seem right or no?
asked by Anonymous 
math
Can someone tell me 5 reasons why you know a fraction can not be simplified.
asked by hunter 
English
Is this an example of imagery: Mrs. Wyman is so sweet sometimes you swear you can smell muffins baking. Is this an example of connotation or denotation? He's a real grouch for sure, she goes on. But one that I've learned in my twenty eight years of living
asked by Heather 
chemistry
wich of the following has the highest vapor pressure A.benzene Btoluene C.xylene D.acetone
asked by jamie 
Math
Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ?  ? Divided by ? + ? equals 50
asked by Lilly 
English
Does this sound like a good thesis statement? Veterinary technicians role is challenging as well as satisfying.
asked by Jennifer 
Math
If f(x)=x^2, what is the domain and range of y=0.5f(3(x4))1?
asked by Emily 
Algebra
please help me solve 3xx+7=9+2x.
asked by Trina 
English
I forgot to incude the following sentences. I really hope you can have a look at them as well. 1) The outer stage raised about 5 feet from the ground and was covered by a roof to protect it from the rain. 2) There was no curtain conceiling the upper and
asked by Franco 
Psychology
What do you think is the best way for personality psychology to move ahead in the future?
asked by Linda 
chemistry
how do empirical and molecular formulas differ
asked by Anonymous 
algebra
please explain how you mutliply 1955.6 by 5/9
asked by Rita 
Algebra
I am confused about the way to get 9/5C+ < 1987.6 please explain the all process for me
asked by Rita 
calculus
h(t)= cubed root t(t^2=4) using the product rule. how do i set it up
asked by Anonymous 
college algebra
14[18(610)] perform the indicated operations
asked by Anonymous 
math
47 is when rounded off the nearest ten.
asked by Aylssa jones 
math need asap
5/8 x+1/16 x=11/16+x 16*(5/8 x+1/16 x) = 16(11/16+x) 80 + x + 16 + x= 11 + 16x 80 + 2x + 16 = 11 + 16x x = 18x (divide by 1) x = 18 Did I do this correctly?
asked by SAP 
science
the pneumoconiosis that is caused by inhalation of iron oxide is called A.anthracis B.toluene C.xylene D.acetone
asked by jamie 
calculus
find the derivative of y= (1x/7)^7
asked by Ana Cecilia 
English
Is their anything wrong with this sentence, like grammatical errors? Veterinary technicians role is challenging as well as satisfying.
asked by Jennifer 
organizational dynamics
advantages and limitation of delegation
asked by srilatha 
Physics
If an object is traveling at 24 km/h and accelerates at a rate of .20 m/s2 , how long will it take the object to get to 8 km/h?
asked by Connor 
math
how do you spell 8,042,176
asked by Anonymous 
math
how can i solve this question 1. my brother left Accra to central region 7:12am and reached 10:45 cover to 180 miles how many per hour?
asked by sowah 
8th grade
why do all conomic choices have opportunity costs
asked by sharanna 
math
wat is the answer for the pattern 1,3,6?
asked by Help 
i dont know :
if in england you are in senior school in yr 8 what grade would you be in in america?
asked by aNoNyMoUs <3 
chem
How does a change in volume change the concentration?
asked by lou 
math
n+9 divied by 3=14 i do not understande this problem can you help
asked by linda 
Math
Find the volme of the solid generated by revolving the region bounded by the triangle with vertices (1,1) (1,3) and (2,3) about the x axis using shells and washers.
asked by Danielle 
Referents
Give referents for the following: 1cm square = area of fingernail 1 inch square = ? could it be an area of a dice 1 metre square = ? could it be a picture frame? I don't know what referents to use for those two.
asked by Sally 
algbra
a=0.5bh
asked by bee maya 
japan
how do i say "my job is_____"
asked by Anonymous 
Math/Algebra
can someone please help me write a proof for the following: a(a)=a
asked by SoConfused 
ecology
identify the biome in which you live
asked by robin 
5th grade
62.743.85
asked by Anonymous 
math
how do i solve y+2x=8
asked by darnika