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Questions Asked on February 25, 2010

an elevator lifts a total mass of 1.1x10^3 kg, a distance of 40 m in 12.5 s. How much power does the elevator demonstrate?P=w/t
1. 5 answers
2. asked by Anonymous
3. 6,538 views
If f(2)=3 and f'(2)=5, find an equation ofa. The tangent line b. The normal line to the graph of y=f(x) at the point where x=2
1. 3 answers
2. asked by Anonymous
3. 3,659 views
The electron gun in a television tube uses a uniform electric field to accelerate electrons from restto 5.0×107 m/s in a
1. 2 answers
2. asked by Lucas
3. 3,459 views
Why would so many women miners prefer to work in the mines without clothing? Why did the women need the heavy belts around their
1. 2 answers
2. asked by danny
3. 3,300 views
A 2.0 mm diameter glass sphere has a charge of +1.0 nC. What speed does an electron need toorbit the sphere 1.0 mm above the
1. 1 answer
2. asked by Anonymous
3. 3,264 views
(a) What is the electric potential a distance of 2.3 10-15 m away from a proton?Answer for this part is :626000 (b) What is the
1. 1 answer
2. asked by SHUBHANGI
3. 2,934 views
monica keeps a supply of dimes and quarters in her car for highway tolls.A week's supply of toll coins contains 10 more dimes
1. 4 answers
2. asked by dee
3. 2,388 views
a 17.0kg crate is to be pulled a distance of 20.0m requiring 1210J of work being done. If the job is done by attaching a rope
1. 1 answer
2. asked by Anonymous
3. 2,349 views
An electron iwth an initial speed of 500,000 m/s is brought to rest by an electric field.(a) Did the electron move into a region
1. 2 answers
2. asked by Lucas
3. 1,936 views
Suppose you’ll have an annual nominal income of $40,000 for each of the next 3 years, and the inflation rate is 4 percent per
1. 2 answers
2. asked by ryan
3. 1,895 views
Two forces, of magnitudes F_1 = 80.0 N and F_2 = 25.0 N, act in opposite directions on a block, which sits atop a frictionless
1. 2 answers
2. asked by coco
3. 1,759 views
Two small metal spheres with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long masslessstring and are at rest on a
1. 1 answer
2. asked by Arianne
3. 1,735 views
Nitric acid is a strong acid. Does this mean thata) HNO3 dissociates completely to H+ (aq) and NO3 ^1- (aq) when it dissolves in
1. 1 answer
2. asked by DrBob222 fan :)
3. 1,694 views
Hi"Ka for HCN is 4.9 x 10^-10. What is the pH of a 0.068 M aqueous solution of sodium cyanide?" How do I do this question? Thank
1. 1 answer
2. asked by bess
3. 1,620 views
A 3.9-kilogram block sliding down a ramp from a height of 5.2 meters above the ground reaches the ground with a kinetic energy
1. 1 answer
2. asked by Anonymous
3. 1,522 views
this question is a multiple choice question, however i don't know how to start or finish it.The solution set of |3x+2|<1
1. 1 answer
2. asked by Selly
3. 1,511 views
acceleration due to gravity questionsA rock is dropped from a height of 7meters a) what is the average velocity of the rock
1. 1 answer
2. asked by jake
3. 1,487 views
A block of weight = 35.0 N sits on a frictionless inclined plane, which makes an angle theta = 27.0 with respect to the
1. 1 answer
2. asked by Anonymous
3. 1,427 views
what is the prime factorization 300
1. 2 answers
2. asked by MEGAN!!!!!!!!!!!!!!!!!!!!!!!
3. 1,383 views
5. Which of the following are functions? The last two problems, i.e., b & c, are multi part relations consider all parts when
1. 1 answer
2. asked by Lawrence
3. 1,318 views
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions?plz help me
1. 5 answers
2. asked by yuku
3. 1,288 views
Suppose you intend to spend no more than $60 buying books. Hardback books cost $12 and paperbacks cost $5. How many books of
1. 1 answer
2. asked by Chriissii
3. 1,231 views
there are 3 miniature chocolate bars and 5 peaunt butter cups in a candy dish. judie chooses 2 of them at random. What is the
1. 1 answer
2. asked by amanda
3. 1,230 views
In a rescue, the 80.0 police officer is suspended by two cables 35 degrees and 48 degrees. Find the tension in both cables?
1. 1 answer
2. asked by Alex
3. 1,209 views
A translation maps (-6,2) onto (-4,-2). Find the image of (3,5) under the same translation.
1. 1 answer
2. asked by Tyler
3. 1,190 views
I've included answers as well. Thanks in advance.1. Chemical substances secreted by cells into the extracellular fluids that
1. 0 answers
2. asked by Ana
3. 1,189 views
if a van de graaff generator is charged to 50,000 volts, how much energy does it take to add an additional electron to the
1. 1 answer
2. asked by jessie
3. 1,176 views
a cylinder water tower is three-fourths full of water.the tower is 24 feet tall and has a diameter of 28 feet.how much water is
1. 3 answers
2. asked by yuku
3. 1,176 views
A metal tank with volume 3.10 L will burst if the pressure of the gas it contains exceeds 100 atm.(a) If 11.0 mol of an ideal
1. 1 answer
2. asked by Baker
3. 1,170 views
tamara wants 2 put new ceramic tile on her kitchen countertop.The tiles she's going to use is in the shape of a square,measuring
1. 2 answers
2. asked by yuku
3. 1,161 views
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions?plz help me
1. 2 answers
2. asked by yuku
3. 1,158 views
Which of the following is not a source for external data?A.) Commercial databases, B.) Corporate databases, C.) Sensors, or D.)
1. 0 answers
2. asked by unsure
3. 1,148 views
Why do databases make information sharing so much more efficient and accurate among multiple users of the same data?
1. 1 answer
2. asked by Excel
3. 1,124 views
A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find
1. 2 answers
2. asked by Rob
3. 1,116 views
Two point charges, 6.0 µC and -2.0 µC, are placed 6.0 cm apart on the x axis, such that the -2.0 µC charge is at x = 0 and
1. 4 answers
2. asked by SHUBHANGI
3. 1,116 views
I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes Ithink I know the answer but I
1. 0 answers
2. asked by Ryan
3. 1,097 views
I need some suggestions on where to start writing a research paper about teen drug abuse I am not quit sure where to even begin
1. 4 answers
2. asked by shannen
3. 1,096 views
Interest rates for all types of credit areA. set by the state government B. set by the federal government C. set by commerical
1. 1 answer
2. asked by pam
3. 1,081 views
You kick a soccer ball, compressing it suddenly to 2/3 of its original volume. In the process, you do 410 J of work on the air
1. 3 answers
2. asked by Baker
3. 1,053 views
for subtracting this problem:(0.04x^3-0.03x^2+0.02x)-(0.03x^3+0.08x^2-6) I know to change the signs of the second grouping. When
1. 2 answers
2. asked by GGIFT
3. 1,046 views
how can you summarize this paragraph?A primary succession occurs when the change in species composition than in a previous
1. 1 answer
2. asked by derrius
3. 1,044 views
The main reason self-confidence is important in human relations is because
1. 3 answers
2. asked by Anonymous
3. 1,044 views
Suppose the price of apples rises from $3.50 a pound to $4.00 and your consumption of apples drops from 30 pounds of apples a
1. 2 answers
2. asked by jward1970
3. 1,033 views
Can someone please tell me the format of a COVER page in MLA. I'm looking in my 6th edition book and I find title page but not
1. 7 answers
2. asked by Sue
3. 1,008 views
List the following equilibrium solutions in order of decreasing free Ag+ concentration in mixture: 0.1M AgNO3, saturated AgCl,
1. 1 answer
2. asked by Jake
3. 957 views
Give two reasons why soil may become poor in mineral nutrients.
1. 1 answer
2. asked by Steve
3. 919 views
Find the coordinates of the turning point and determine wether it is minimum or maximum.y=xlnx-2x The answer in the book says
1. 0 answers
2. asked by Mark
3. 916 views
you got 4 numbers 7,2,6,8 you can add, subtract, multiply, and divide.. how do those 4 numbers =24 or can they?
1. 0 answers
2. asked by jerson
3. 916 views
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions?plz help me
1. 1 answer
2. asked by yuku
3. 874 views
Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275mL of water to produce a solution that
1. 1 answer
2. asked by Melanie
3. 852 views
Hi,I don't have much time to turn this in. I think I got all the questions right, but I just want to be sure. I would appreciate
1. 1 answer
2. asked by Emma
3. 849 views
what will happen to a red blood cell placed in a solution of 99.3% water and 0.7% salt?
1. 1 answer
2. asked by Alex
3. 843 views
Suppose it takes 3 days for a space vehicle to travel from the Earth to the moon. About how long would it take the same vehicle
1. 2 answers
2. asked by GGIFT
3. 814 views
An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is
1. 2 answers
2. asked by Susie
3. 811 views
with multiplying this:9y^2-9)(8y^2-9y+3) I have: 8y^2(y^2-9)-9y(y^2-9)+3(y^-9) THEN 8y^2*y^2-9-9y*y^2-9+3*y^2-9.... THEN 8y^8 -
1. 4 answers
2. asked by GGIFT
3. 808 views
If you have a jar of 1000 jelly beans and you know that P(blue) =4/5 and P(red) = 1/8, list several things you can say about the
1. 2 answers
2. asked by Anonymous
3. 779 views
"A mass of 45.0g of molten silver at its melting point is poured into 750mL of calorimeter water at 25.0C. The final temperature
1. 3 answers
2. asked by Stuck
3. 779 views
If I divide 28x^3-30x^2-67x-21 BY 7x+3...will I get 4x^2-10x-21? THEN 28x^3-30x^2-21THEN 14x^2-15x^2-21????PLEASE HELP!!!
1. 2 answers
2. asked by GGIFT
3. 754 views
Air is being pumped into a spherical balloon so that its volume increases at a rate of 80 cubic centimeters per second. How fast
1. 1 answer
2. asked by idk
3. 744 views
1) Find the coordinates of the point (-1,3) after the transformation T (to the -3,2 power)2) What are the coordinates of point
1. 0 answers
2. asked by Tyler
3. 738 views
How would I use separation of variables to solve the initial value problem?dy/dx = (y +5)(x+2) I multiply both sides by dx so:
1. 1 answer
2. asked by Anonymous
3. 737 views
1. what elements are soda cans made of?2. what materials were used in (making) the soda can?
1. 1 answer
2. asked by Happy Face
3. 734 views
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions?plz help me
1. 0 answers
2. asked by yuku
3. 731 views
I'm doing a competition & this time it's about vincent van gogh. it has to have gogh in it. mainly his family tree.ex. Family
1. 12 answers
2. asked by Sara
3. 722 views
suppose you are starting an office-clening service. You have spent $315 on equipment.To clean an office, you use $4 worth of
1. 1 answer
2. asked by vanessa
3. 713 views
Compare these ratios with the 1999 median for all U.S. acute care hospitals listed in Table 4-2.Answer the following and explain
1. 3 answers
2. asked by kita
3. 708 views
I need help with writing a paper on teen pregnancy. What topic sentences could I used for my three body pragraphs, and
1. 5 answers
2. asked by Inez
3. 706 views
Each base angle of an isosceles triangle measures 42°. The base is 14.6 feet long.A) Find the length of a leg of the triangle.
1. 0 answers
2. asked by Laly
3. 700 views
what is the centripetal force acting on each kilogram of an airplane that is turning at 200 m/s in a horizontal circle of radius
1. 2 answers
2. asked by andrew gonzalez
3. 697 views
You have a bag with 60 black jelly beans and 240 red ones.a) If you draw one jelly bean out of the bag, find the probability
1. 1 answer
2. asked by desperate!
3. 697 views
An electron is accelerated horizontally from rest in a television picture tube by a potential differenceof 1.00 × 104 V. (a)
1. 0 answers
2. asked by Arianne
3. 686 views
A plane flying with a constant speed of 23 km/min passes over a ground radar station at an altitude of 5 km and climbs at an
1. 1 answer
2. asked by angel
3. 686 views
please assist me with writing a good report. My grades are really low and i need this report to be great. I have to write on
1. 1 answer
2. asked by keysha
3. 684 views
suppose you are starting an office-clening service. You have spent $315 on equipment.To clean an office, you use $4 worth of
1. 1 answer
2. asked by Anonymous
3. 670 views
Explain in 250 to 300 words how the general duties for handling patient records differ between a records administrator (RHIA)
1. 1 answer
2. asked by Anonymous
3. 670 views
I've included answers as well. Thanks in advance.1. Chemical substances secreted by cells into the extracellular fluids that
1. 0 answers
2. asked by Ana
3. 670 views
Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time
1. 1 answer
2. asked by Lidia
3. 667 views
what is the area of a square if the sides measures 3/8 inch?
1. 4 answers
2. asked by yuku
3. 660 views
if 20g of magnesium react with excess hcl how many grams og mgcl2 will be produced
1. 1 answer
2. asked by sean
3. 660 views
what does "Je rentre de l'ecole et je vais au restaurant." mean in English?
1. 1 answer
2. asked by Helpneeded.love
3. 643 views
how did missions help establish a spanish presence in the southwest?
1. 1 answer
2. asked by De'Ja
3. 642 views
The reaction of 1,6-hexanediamine with hexanedioic acid chloride to form nylon 6-6 is a condensation polymerization. What is the
1. 1 answer
2. asked by Holly
3. 640 views
What is the formula mass, in amu, of KNaC4H4O6·4H2O? Be sure to include the water molecules
1. 0 answers
2. asked by joey
3. 638 views
acceleration due to gravity questionswhen an object is dropped from a height of 10m above the surface of the planet z, it takes
1. 3 answers
2. asked by jake
3. 637 views
I have absolutely no clue how to approach this question please help.The destruction of the ozone layer is an issue that is being
1. 0 answers
2. asked by tina
3. 635 views
A 24-µF capacitor has an electric potential difference of 30 V across it. What is the charge on the capacitor?
1. 0 answers
2. asked by kjhlkj
3. 629 views
If 360 mL of 2.47 M aqueous NaI and 212 g of Pb(NO3)2 are reacted stoichiometrically according to the balanced equation, how
1. 1 answer
2. asked by Adam
3. 625 views
Case Study 2:Name Jimmy Schwimmer Patient # 45645645 DOB: 11/03/2002 Physician Dr. Raychee Date: 04/21/20XX INTER-OFFICE
1. 1 answer
2. asked by Anonymous
3. 622 views
If you are a mixture of ammonium chloride, barium sulphate and sodium chloride how would you produce a pure dry sample of each
1. 1 answer
2. asked by Jose-Ann
3. 615 views
Why do you like Psychology?.What specific aspects of Psychology do you enjoy?...abnormal, cognitive, biological... What
1. 6 answers
2. asked by lola
3. 614 views
1. What is a function?2. What is a linear function? 3. What form does a linear function take? (I.e., What is the standard
1. 1 answer
2. asked by Lawrence
3. 612 views
What is the repeating unit of nylon 6-6?
1. 1 answer
2. asked by Holly
3. 611 views
1. what 2 elements are soda cans made of?2. what materials were used in (making) the soda can?
1. 1 answer
2. asked by Happy Face
3. 606 views
How might the history of the US be different if the first European settlements had occurred on the west coast instead of the
1. 6 answers
2. asked by Chris
3. 603 views
How are these:which one is better, your opinion counts. His hungry sister...lego my egogh How could I improve the wordings of
1. 1 answer
2. asked by Sara
3. 601 views
If 0.340 mol of solid CaCO3 and 410 mL of 0.829 M aqueous H2SO4 are reacted stoichiometrically according to the balanced
1. 1 answer
2. asked by Anonymous
3. 592 views
You have a bag with 60 black jelly beans and 240 red ones.a) If you draw one jelly bean out of the bag, find the probability
1. 0 answers
2. asked by kali
3. 587 views
how many grams of carbon contains the same number of atoms as 40g of Neon
1. 1 answer
2. asked by Ernesine
3. 587 views
Gaseous carbon monoxide reacts according to the balanced equation. If a total of 1040 kJ of heat is generated in the reaction as
1. 0 answers
2. asked by eng
3. 585 views
Kee had to buy 2 tires and patch the tires on his bicycle 3 times this year. How much did he spend repairing his bicycle if
1. 1 answer
2. asked by PAVLEEN
3. 581 views

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