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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. 6,548 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. 3,662 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. 3,466 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. 3,307 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. 3,268 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. 2,944 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. 2,404 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. 2,359 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. 1,948 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. 1,905 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. 1,777 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. 1,746 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. 1,698 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. 1,622 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. 1,529 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. 1,518 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. 1,498 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. 1,438 views
what is the prime factorization 300
1. 2 answers
2. asked by MEGAN!!!!!!!!!!!!!!!!!!!!!!!
3. 1,389 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. 1,326 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. 1,295 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. 1,240 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. 1,238 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. 1,216 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. 1,199 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. 1,199 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. 1,184 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. 1,183 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. 1,180 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. 1,175 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. 1,169 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. 1,153 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. 1,139 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. 1,126 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. 1,122 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. 1,107 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. 1,102 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. 1,086 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. 1,059 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. 1,052 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. 1,047 views
The main reason self-confidence is important in human relations is because
1. 3 answers
2. asked by Anonymous
3. 1,046 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. 1,043 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. 1,021 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. 968 views
Give two reasons why soil may become poor in mineral nutrients.
1. 1 answer
2. asked by Steve
3. 927 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. 924 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. 924 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. 883 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. 858 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. 854 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. 848 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. 823 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. 819 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. 815 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. 786 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. 786 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. 765 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. 762 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. 746 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. 746 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. 743 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. 741 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. 734 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. 725 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. 717 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. 714 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. 712 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. 702 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. 702 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. 693 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. 693 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. 692 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. 681 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. 679 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. 677 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. 676 views
what is the area of a square if the sides measures 3/8 inch?
1. 4 answers
2. asked by yuku
3. 671 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. 665 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. 653 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. 650 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. 646 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. 646 views
how did missions help establish a spanish presence in the southwest?
1. 1 answer
2. asked by De'Ja
3. 645 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. 645 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. 636 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. 634 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. 625 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. 622 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. 622 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. 619 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. 616 views
What is the repeating unit of nylon 6-6?
1. 1 answer
2. asked by Holly
3. 616 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. 610 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. 605 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. 604 views
how many grams of carbon contains the same number of atoms as 40g of Neon
1. 1 answer
2. asked by Ernesine
3. 597 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. 594 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. 594 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. 594 views

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