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July 29, 2014

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Physics * (Wht am I doing wrng? answ provided)
A 6 kg block slides on a horizontal frictionless surface with a speed of 1.5 m/s . It is brought momentarily to rest when it hits a bumper that compresses a spring. The acceleration of gravity is 9.8 m/s2 .How much is the spring compressed if its force constant is 7 kN/m? ...
March 11, 2011 by cr

life science,history,6eography,and maths lit
im in grade 12 and i dn't no wht job must i take so can you plz tell me wht kind of jobs is available
December 7, 2013 by nkululo nqophiso

vocab
Choose the words that best completes each sentences 1)abound 2)braggart 3)cache 4)clarification 5)despondent6)embezzle7)heartrending 8)leisurely 9)lethargic 10)malady 11)mellow 12)nomadic 13)piecemeal 14)quest 15)random 16)rant 17)reinforce 18)seclusion 19)status 20)turmoil 1...
May 10, 2009 by Anonymous

physics
wht is pi + arctan(-0.45)
August 30, 2008 by physdummy

physics
an thelet completes one round of circular track of diameter 200m in 40 secomds. wht will be the distance covered t the end of 2min & 20 s.
April 8, 2011 by rida

maths
they say bongani buys 1 litre of milk and drinks a quarter of it and dey wnt to knw wht fraction of the litre of milk is left,and dey say bongani offers another 3eighths of the leftover milk to his sister bongiwe n dey wnt to knw wht fraction of de litter of milk is left
October 12, 2013 by lesego

3rd grade
wht is 500 @4
January 9, 2010 by sajwkj

spelling
Wht are wrds with blends
October 6, 2011 by Anonymous

chemistry
A comparison of density values obtained by X-ray diffraction reveals that the percentages of vacant sites in aluminum (Al) are 0.0700% at 923 K and 0.0090% at 757 K. Given this data, determine the number of vacant sites per cm3 at 550 K. Express your answer as vacancies/cm3. 7...
June 2, 2013 by A

7th grade
wht is the 8 parts of speech
September 3, 2008 by laura belizaire

riddles
wht do you call twin boys?
May 18, 2011 by Lucy

English
e.g. the Ig Nobel Prizes (Wht is 'Ig' short for?)
October 27, 2013 by rfvv

biology
wht gets energized at the beginning of photosynthesis
February 4, 2009 by mike

5th grade
wht are short vowel sounds?
September 29, 2009 by danielwhat are short vowel sounds

math
input:0;1;2;3 outpu2:4;2;0;-2 wht is the formula#stressed:|
April 21, 2014 by lola

Lif oritation
Wht are the check and balance that control the media?
March 18, 2012 by Sibongile

birchwood elementary
what is te magnitude estiamte of 6 divide by 78.6 and wht place value is it in
October 13, 2009 by trey

accounting
received 125000 on account from a major customer. wht is the entries for this?
February 24, 2010 by Shaalu

Science
wht's needed 4 nuclear fusion to start? Hydrogen nuclie fuse?
February 23, 2010 by Sara

Science
wht's needed 4 nuclear fusion to start? all the 8 protons of energy?
February 23, 2010 by Sara

english
wht is the verb in this sentence: She exposes insurance cheats and lying spouses.
September 15, 2010 by Tisha

math
wht is the function rule that represents the relationship found in the following ordered pairs (-5,22),(10,-23),(4,-5),(-7,28),(6,-11)
February 8, 2011 by Anonymous

geometry
the measures of two complementary angles are in the ratio 4:1. wht is the measure of the smaller angle?
June 27, 2011 by pujabi

math6
shaunti drove 621miles in 11.5 hours.wht was her average speed in miles per hour?
February 4, 2013 by fatima

anthroplogy
wht are the rich getting richer and the rest of us not? Use domestication emergence and socail stratification to explain
July 12, 2011 by ami

Algebra
wht is the area of a circle with a circumference of 25 meters? I have to use pi(3.14) and round to the nearest square meter.
March 30, 2012 by Crystal

physics
The density of helium is 0.179kgm3.A Baloon hs a capacity of 27m3 and a mas of 12.5kg whn empty.a)fnd the total mas of baloon n gas.b)if dnsity of air is 1.29 kgm3 wht mas of air is displacd by the baloon
March 1, 2012 by Luc

spanish Sra jmcguin
assignment -- can you please review my answers the first part is provided ot us and we must then finish the sentence - Continua estas frases 1. El otro dia estaba en mi casa y, de repente ( this part provided on wrok sheet ) - my answer con la television encendido 2. El sabado...
May 18, 2009 by sam

life sciences business studies geography maths lit
am doing this subjcts and totaly cnfusd abt ma career wht will i du aftr mtric plz help........ me
April 1, 2014 by nqobi

science
if an ocean wave has a wavelength of 15.0m. its period is 10s wht is the speed of the wave?
May 19, 2011 by dee

ALGEBRA
9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT. 9/16+3/16=12/16=3/4 IS WHT I got.
November 10, 2011 by Angela

Geometry
2 equal circles in rectangle. if area of rectangle is 50 cm squared, wht is the radius in cm of each circle?
May 9, 2011 by Jane

geometry
suppose AB is thge diameter of a circle C is any pt on the circumfernce of the circle. wht is the measure of angle <ACB?
February 15, 2012 by kaushik

History Thesis....
can anyone help me is this a good thesis if not what can I change I am lost.... Harold Grey’s Little Orphan Annie comic strip provided a message that helped people get through the Great Depression, it is suggested that this comic strip provided America with understanding of ...
November 5, 2009 by Deb

algebrA
x^2-7x-98=0 whT is the smaller x solution and the larger x solution
March 29, 2010 by ewrwerwe

physical science
a reading on a sailboat shows that on December 21, the noonday Sun has an altitude of 86.5 degrees to the south. and the marine chronometer reads 7 a.m. wht are the latitude and longtitude of the ship.
May 7, 2007 by darlene

English
1. The doctor provided patients with numbing pills. 2. The doctor provided patients with anesthesia pills. 3. The doctor provided patients with narcotic pills. (Are they the same and grammatical?)
August 20, 2013 by rfvv

economics
wht are five critically discuss of five way in which the human or environmental problm impact on the community about food production
April 27, 2013 by gladwin

Personal Dimensions of Education
Which is the correct form of the verb provided to correctly complete the sentence. Either the additional resources provided or the textbook _____ the information required to respond appropriately to this week’s discussion prompt. 1)has 2)have
February 16, 2014 by ACE

Precalculus...repost.. The tutor didn't quite answ
Calculate the solution set. x^2+y^2+8x=-15 9x^2+25y^2=225 My work: I did elimination...multiplied -25 to the top equation and got..... -16x^2-200x-600...I then used quadratic formula ... And got -7.5 and -5..... Is -7.5 an EXTRANEOUS SOLUTION because when I plugged -7.5 in for...
May 24, 2014 by Anonymous

physics
Damon, thanks for your answer. Consider that the 20lb object is being pulled behind a bid rig truck traveling at 90mph, can it then be calculated as to what amount of horsepower, is being provided to move (in our case) a 20lb object, traveling at 90mph. If yes,what amount of ...
August 2, 2011 by david

MATH
Can someone give me an example of decribing a real-life situation where I can use the pascals triangle to be used to calculate probability. One example is provided here: (Broken Link Removed) I cannot log on to the website you provided
July 3, 2007 by student

science
What is science is the question and btw Im in grade 8 so could u plz give an answer according to that like explain what is science first and then wht r its branches plzzz!!!
September 4, 2013 by Daisy

Chemistry. CONVENT
An unknown gas shows a density of 2.39 gms per litre at 100 degrees centigrade and 715 mm presure. Wht is the gram molecular weight of the gas
July 13, 2013 by b.s. chandrashekar

s.s.
How did the expansion of the railroad affect the growth of towns in south carolina in the late 1800's? It made transporting goods and peoplle easier. it provided more jobs in rural areas. it transported people to different states. it provided people with something to do.
April 27, 2010 by jaylin

physics
A rod is nailed (flexibly) to a wall at one end. The other end is held up from letting the rod swing by a thread connected to the ceiling. The rod has mass M and length l. The moment of inertia is (Ml^2)/3. Determine the magnitude and direction of the force exerted on the rod ...
January 21, 2008 by Hannah

physics
State how the centripetal force is provided in the case of a satelite orbiting the earth
April 8, 2012 by Cassandra

Physics
Calculate the average speed of the car in km/h, it can accelerate from 96.56 km/hr in 4.3 seconds. Distance is not provided
February 13, 2013 by Sev

nature
wht if you have moss in your hermit crab cage and then you get gnats flying arround there while one of your hermit crabs are burried down under. will the gnats be stressful to the little guy?
May 31, 2009 by tori

math
Anita has two sisters and three brothers. The mean of all their ages is 6 years. Wht is the mean of their agesin 10 years and 20 years?
February 25, 2013 by tori

PHYSICAL SCIECE
A seismic wave has a velocity of 5000 m/s and a frequency of 4Hz. wht is the wavelength of this wave? if this was a light wave traveling in a vacuum with the same wavelength, what would be its period?
July 14, 2011 by CARLOS

Physics
(a) How much heat in kcal must be provided for a 0.853 kg block of lead to raise the temperature of 0.015 kg block of ice from -5ºC to 0ºC? (b) How much heat in kcal must be provided for a 0.853 kg block of lead to melt a 0.015 kg block of ice from at 0ºC? (c) How much heat in...
February 5, 2012 by Hannah

geography
Rhode Island's motto is "Hope". Wht does it mean? In other words why was that motto chosen, why is it important to Rhode Island?
October 28, 2008 by Anonymous

2nd grade
my son has a project on Georgia's Landforms, I don't know wht to do or where to start. Will you please give my an example on what I can do. They are allowed to use shoe boxes, styrofoam balls, cardboard boxes, clay play dough, popsicle sticks, tissue and paper towel tubes.
September 25, 2010 by Carla

chemistry
An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. Wht is the pH of the diluted solution?
May 5, 2009 by j

physics
A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine? with a gravitational pull of 10 m/s2 down
February 3, 2014 by Troy

calculus
hi, how do u solve this problem using limit notation. I tried it but go stuck at the last part. find f'(x) for f(x)=Sqrt2x-1 using F(x+h)-f(a)/h i got to the end and i got 1/Sqrt2x-1 -sqrt2x-1. i don't know wht u do next? am i right so far?
March 4, 2008 by fred

English
We have purchased a batch of material directly from the manufacturer. 1) No discount was provided by the material manufacturer. 2) No discount was provided by the material's manufacturer. Are both sentences acceptable?
January 8, 2011 by annie

College Algebra
Matt scored 75 on the calculus midterm. If the final exam counts twice as much as the midterm exam, then for wht range of scores on the final would Matt get an average between 81 and 92?
September 25, 2011 by Ty

math
the sum of two binominals is 5x squared - 6x. if one of the binominals is 3x squared - 2x, wht is the other binominal? Subtract the second binomial from the first. 5x2 - 6x - 3x2 +2x
April 26, 2007 by grandma bakes cookies

Chemistry
I have to do lab experiment where I design a procedure to determine the identity of two unknowns given to me. One will be a solid and one will be a solution. I also have to quantify the amount of solute in the solution. The possible solids it could be are NaCl, KNO3, KHP, Zn, ...
November 11, 2007 by Raj

physics
A system is provided 50 J of heat and work done on the system is 10 J. What is the change in internal energy
July 5, 2011 by angel

Hill-Burton
2. The Hill-Burton Act: a. was a New Deal act providing health insurance to the poor. b. provided for state matching funds to establish health clinics. c. provided federal support for the construction of new hospitals. d. Answers (a) and (b) are correct. I'm torn between (c) ...
April 23, 2010 by Anonymous

juvenile
Analyzed whether abuses in juvenile detention are outdated or exist today and provided examples from your research to support your findings. Offered an opinion on the efficacy of legal protections related to the detention of juveniles and provided adequate research, examples, ...
December 10, 2012 by sharday

Algbera
Afarmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. Wht is the maximum area that the farmer can enclose with 100 ft of fence? What should the dimensions of the garden be to give this area.
September 4, 2011 by Nikayla

physics
50kg iceskater turns a bend at 7m/sec. if the radius of the curve is 5 meters, what is the centripetal force provided by the friction between the blade of the skate and the ice?
June 9, 2011 by Anonymous

physics
When a 1150 kg space rocket lifts off of ground. How many joules of energy has been provided by its engine during the time in which it achieves a speed of 180 m/s.
February 7, 2012 by Zach

physics
A small plane starts down the runway with acceleration 7.4 .if the force provided by its engine is 1.5×104 , what is the plane's mass?
June 25, 2011 by Anonymous

math!
hi im lauren and i have a big math test tomorrow(7th grade) and i need 2 know wht interval means. And i need the expalnation 2 be so simple tht a little kid can understand it. lol. Can someone answer like in the next 10 mins plz! thx!! hurry peeps!!lol
August 20, 2009 by lauren

if provided with solid Na acetate and 6.3M acetate
If provided with Na acetate and 6.3M acetate acid.decribe how you will prepare 1L of 0.1M acetate buffer pH=5.0[pka=4 acetate acid=4.75,and Na=23,c=12,H=1,O=16]
April 11, 2013 by Ekhaisomi rosejoy

physics
A bus traveling 85 km/hr is brought to a stop in 135 m. If the mass of the bus is 2250 kg, what was the retarding force provided by the brakes? Formula please
November 9, 2010 by Bob

Chem HW Help!
I need help answering some questions on how to combine gas law.If for some reason you don't feel you shold answer this question can you provided me with the steps on how to combine gas laws or give me a good website that may provided help or may have a good combine gas law ...
May 1, 2008 by Lizy

Geometry
if plane angle DAB = (67 + 4x) degrees, than wht is plane angle DAB?
February 10, 2011 by al

Physical Science
Pour vinegar onto beach sand in the Carribian and the results is a lot of froth and bubbles. Pour vinegar onto beach sand from California and nothing happens. Wht?
April 28, 2008 by Rachel

GENERAL CHEMESTRY
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion? Provided an in depth explanation or analysis of subject or topic. Used a clear, ...
January 16, 2013 by ROSE

PHYSICS
iF PROVIDED WITH THE FOLLOIWING WOODEN RAMP,A BALL,METRE STICK, APLUMBLINE AND CARBON PAPER USING LAW OF CONSERVATION H=R^2/1+(I/mr^2) CAN i FIND THE MOMENT OF inertIA BY PLOTTING A GRAPH AND DOING AN EXPOREMENT.
May 14, 2011 by SMG

PHYSICS
iF PROVIDED WITH THE FOLLOIWING WOODEN RAMP,A BALL,METRE STICK, APLUMBLINE AND CARBON PAPER USING LAW OF CONSERVATION H=R^2/1+(I/mr^2) CAN i FIND THE MOMENT OF inertIA BY PLOTTING A GRAPH AND DOING AN EXPOREMENT.
May 14, 2011 by SMG

Physics
A 1.0-kg ball on the end of a string is whirled at a constant speed of 2.0 m/s in a horizontal circle of radius 1.5 m. What is the work done by the centripetal force during one revolution? I did: F=m(v^2)/r F=1(2^2)/1.5=2.7 J The answer that was provided was 0. Can someone ...
October 23, 2007 by Marisol

Physics
A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just above its surface. I really can't solve this! No other information was provided. Please and thank you
March 3, 2010 by Anonymous

physics help!!!
A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just above its surface. I really can't solve this! No other information was provided. Please and thank you
March 3, 2010 by Anonymous

physics help!!
A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just above its surface. I really can't solve this! No other information was provided. Please and thank you
March 3, 2010 by Anonymous

Algebra-please check
Please check these: 1.When the fraction 2/3 is used as exponent, wht role does the denominator 3 play in evaluating expression? I think it indicates cube root of the base,correct? 2.sqrt of (2^4x/4^-2x) is equilvalent to 2^4x, correct? 3.Simplify (2xy^-2z^4/y^-3/z^3)^2 would ...
December 12, 2011 by Tabitha

Physics
A bridge is 40.0 m. A car weighs 1.5 x 10^4 N and it is parked with its center of gravity located 12.0 meters from the right pier. What upward support force must be provided by the left pier?
April 10, 2011 by Hester

SS
Why was the Strait of Malacca most important to international traders? a. the strait provided the most direct route between India and China. b. the strait provided the only route to Southeast Asia's spice-growing islands. c. the strait gave Southeast Asia's gold exporters ...
December 30, 2013 by Anonymous

chemistry
I tried using the answer you provided but the online system I am using is not taking this as a correct answer. This is the answer you provided: AgCl(s) + H2O(l) ==> Ag^+(aq) + Cl^-(aq). PLEASE HELP!! Thanks My original question: Write the equation for the dissolution of ...
March 12, 2011 by gin

Physics help
A 90 kg parachutist in free fall has an acceleration of 6.8 m/s^2. What is the frictional force provided by air resistance when she is accelerating at this rate? For this question i got 612N but the text book answer says it is 270N. Pls help!! I'm confused
March 21, 2013 by Ted

Physics
An athlete starts at point and runs at a constant speed of 5.40 around a round track 250 in diameter Find the component of this runner's average velocity between points A and B. Find the component of this runner's average velocity between points A and B. Find the component of ...
September 10, 2006 by JC

human services agency interview
Can someone direct me in the righ direction I'm not sure where to start. I have to Perform an in-person, phone or online visit to a medical setting, hospice, or school where human services are provided, and interview a human service provider about the nature of the practice ...
August 23, 2009 by ReeRee

physics
Determine the acceleration and normal force of system below. Assume no friction, the mass equal to 10.0 kg and the angle equal to 60.0 degrees. Assume gravity equals 9.8 m/s/s. The picture looks like a right triangle with a box sliding down it. I am a 9th grader in conceptual ...
December 1, 2010 by Anonymous

Logic Research
All sages provide both wisdom and inspiration. Since Dasha's speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above? -Just because Dasha is a sage doesn't mean that she is always wise and...
September 25, 2011 by Dusty

PHYSICS
A major league pitcher can throw a baseball at about 45 m/s (about 100mph). If a baseball has a mass of .55kg how large is the impulse provided by the catchers mitt when he catches the ball.
August 20, 2012 by Anonymous

PHYSICS HELP!!!!!!!!
A major league pitcher can throw a baseball at about 45 m/s (about 100mph). If a baseball has a mass of .55kg how large is the impulse provided by the catchers mitt when he catches the ball.
August 21, 2012 by Anonymous

6 Entropy
Using the thermodynamic data provided below, calculate the standard change in entropy when one mole of sodium nitrate is dissolved in water? S° (J/K•mol) NaNO3(s) 116.3 Na+(aq) 60.25 NO3–(aq) 146.4 Using the value you calculated, how will the solubility of sodium nitrate ...
May 3, 2011 by Nicole

physics
In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 170 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift?
November 8, 2010 by michelle

Physics
In 2.0 minutes, a ski lift raises 5 skiers at constant speed to a height of 190 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift?
October 19, 2012 by 4319

Physics
Given Vector A with magintude 9.17 feet and Vector B with magnitude of 10.58 feet, what is the resultant of the two vectors added together? Answer: I know it would depend on the direction of the vector. If in the same line we would add them or if opposite lines we would ...
August 30, 2005 by Nisar

Sociology
In general, the more resources and supports provided to families and young children: a) The worse a child will fare in the long run, since they need to learn to do for themselves b) The better a child will fare in the long run since what happens early in life sets the tone ...
September 2, 2012 by Tammy

Physics
The velocity of a train reduced uniformly from 15 m/s to 7 m/s while traveling a distance of 90 m. a)compute the acceleration b) How much farther will the train travel before coming to rest, provided the acceleration remains constant?
September 17, 2012 by Anonymous

Accounting
Journalize these transactions: Apr 1: K. Smart (owner of business) provided delivery service to D. Smith for $1200. D. Smith agreed to pay in 30 days Apr 2: D. Smith paid $400 on his account. April 14: D. Smith paid the balance owing on his account May 1: K.Smart provided ...
March 12, 2009 by Brenda

PSY 1 03
2. <11{1[1(19)19]}> All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above? (Points : 1) Just because Dasha is a sage ...
August 22, 2012 by Lisa

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