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February
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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
5 answers
asked by
Anonymous
6,529 views
If f(2)=3 and f'(2)=5, find an equation of
a. The tangent line b. The normal line to the graph of y=f(x) at the point where x=2
3 answers
asked by
Anonymous
3,648 views
The electron gun in a television tube uses a uniform electric field to accelerate electrons from rest
to 5.0×107 m/s in a
2 answers
asked by
Lucas
3,449 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
2 answers
asked by
danny
3,281 views
A 2.0 mm diameter glass sphere has a charge of +1.0 nC. What speed does an electron need to
orbit the sphere 1.0 mm above the
1 answer
asked by
Anonymous
3,253 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 answer
asked by
SHUBHANGI
2,923 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
4 answers
asked by
dee
2,368 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 answer
asked by
Anonymous
2,340 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
2 answers
asked by
Lucas
1,924 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
2 answers
asked by
ryan
1,884 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
2 answers
asked by
coco
1,749 views
Two small metal spheres with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long massless
string and are at rest on a
1 answer
asked by
Arianne
1,712 views
Nitric acid is a strong acid. Does this mean that
a) HNO3 dissociates completely to H+ (aq) and NO3 ^1- (aq) when it dissolves in
1 answer
asked by
DrBob222 fan :)
1,675 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 answer
asked by
bess
1,615 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 answer
asked by
Anonymous
1,517 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 answer
asked by
Selly
1,501 views
acceleration due to gravity questions
A rock is dropped from a height of 7meters a) what is the average velocity of the rock
1 answer
asked by
jake
1,479 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 answer
asked by
Anonymous
1,413 views
what is the prime factorization 300
2 answers
asked by
MEGAN!!!!!!!!!!!!!!!!!!!!!!!
1,376 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 answer
asked by
Lawrence
1,308 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
5 answers
asked by
yuku
1,276 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 answer
asked by
amanda
1,228 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 answer
asked by
Chriissii
1,219 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 answer
asked by
Alex
1,200 views
I've included answers as well. Thanks in advance.
1. Chemical substances secreted by cells into the extracellular fluids that
0 answers
asked by
Ana
1,179 views
A translation maps (-6,2) onto (-4,-2). Find the image of (3,5) under the same translation.
1 answer
asked by
Tyler
1,178 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
3 answers
asked by
yuku
1,168 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 answer
asked by
jessie
1,166 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 answer
asked by
Baker
1,160 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
2 answers
asked by
yuku
1,148 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
2 answers
asked by
yuku
1,148 views
Which of the following is not a source for external data?
A.) Commercial databases, B.) Corporate databases, C.) Sensors, or D.)
0 answers
asked by
unsure
1,145 views
Why do databases make information sharing so much more efficient and accurate among multiple users of the same data?
1 answer
asked by
Excel
1,115 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
4 answers
asked by
SHUBHANGI
1,108 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
2 answers
asked by
Rob
1,106 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
4 answers
asked by
shannen
1,088 views
I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes I
think I know the answer but I
0 answers
asked by
Ryan
1,081 views
Interest rates for all types of credit are
A. set by the state government B. set by the federal government C. set by commerical
1 answer
asked by
pam
1,077 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
3 answers
asked by
Baker
1,046 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
2 answers
asked by
GGIFT
1,037 views
The main reason self-confidence is important in human relations is because
3 answers
asked by
Anonymous
1,035 views
how can you summarize this paragraph?
A primary succession occurs when the change in species composition than in a previous
1 answer
asked by
derrius
1,027 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
2 answers
asked by
jward1970
1,019 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
7 answers
asked by
Sue
987 views
List the following equilibrium solutions in order of decreasing free Ag+ concentration in mixture: 0.1M AgNO3, saturated AgCl,
1 answer
asked by
Jake
946 views
Give two reasons why soil may become poor in mineral nutrients.
1 answer
asked by
Steve
914 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
0 answers
asked by
Mark
907 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?
0 answers
asked by
jerson
906 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 answer
asked by
yuku
862 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 answer
asked by
Melanie
839 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 answer
asked by
Emma
838 views
what will happen to a red blood cell placed in a solution of 99.3% water and 0.7% salt?
1 answer
asked by
Alex
834 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
2 answers
asked by
GGIFT
803 views
An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is
2 answers
asked by
Susie
803 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 -
4 answers
asked by
GGIFT
799 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
2 answers
asked by
Anonymous
767 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
3 answers
asked by
Stuck
766 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!!!
2 answers
asked by
GGIFT
746 views
1. what elements are soda cans made of?
2. what materials were used in (making) the soda can?
1 answer
asked by
Happy Face
729 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
0 answers
asked by
Tyler
726 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 answer
asked by
idk
722 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 answer
asked by
Anonymous
722 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
0 answers
asked by
yuku
719 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
12 answers
asked by
Sara
715 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 answer
asked by
vanessa
702 views
I need help with writing a paper on teen pregnancy. What topic sentences could I used for my three body pragraphs, and
5 answers
asked by
Inez
699 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
2 answers
asked by
andrew gonzalez
694 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
3 answers
asked by
kita
692 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.
0 answers
asked by
Laly
685 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 answer
asked by
desperate!
684 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 answer
asked by
angel
679 views
An electron is accelerated horizontally from rest in a television picture tube by a potential difference
of 1.00 × 104 V. (a)
0 answers
asked by
Arianne
672 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 answer
asked by
keysha
666 views
Explain in 250 to 300 words how the general duties for handling patient records differ between a records administrator (RHIA)
1 answer
asked by
Anonymous
663 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 answer
asked by
Anonymous
662 views
I've included answers as well. Thanks in advance.
1. Chemical substances secreted by cells into the extracellular fluids that
0 answers
asked by
Ana
661 views
if 20g of magnesium react with excess hcl how many grams og mgcl2 will be produced
1 answer
asked by
sean
656 views
Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time
1 answer
asked by
Lidia
655 views
what is the area of a square if the sides measures 3/8 inch?
4 answers
asked by
yuku
653 views
what does "Je rentre de l'ecole et je vais au restaurant." mean in English?
1 answer
asked by
Helpneeded.love
638 views
The reaction of 1,6-hexanediamine with hexanedioic acid chloride to form nylon 6-6 is a condensation polymerization. What is the
1 answer
asked by
Holly
637 views
how did missions help establish a spanish presence in the southwest?
1 answer
asked by
De'Ja
633 views
What is the formula mass, in amu, of KNaC4H4O6·4H2O? Be sure to include the water molecules
0 answers
asked by
joey
631 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
0 answers
asked by
tina
626 views
acceleration due to gravity questions
when an object is dropped from a height of 10m above the surface of the planet z, it takes
3 answers
asked by
jake
626 views
A 24-µF capacitor has an electric potential difference of 30 V across it. What is the charge on the capacitor?
0 answers
asked by
kjhlkj
625 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 answer
asked by
Adam
618 views
Case Study 2:
Name Jimmy Schwimmer Patient # 45645645 DOB: 11/03/2002 Physician Dr. Raychee Date: 04/21/20XX INTER-OFFICE
1 answer
asked by
Anonymous
616 views
What is the repeating unit of nylon 6-6?
1 answer
asked by
Holly
605 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 answer
asked by
Jose-Ann
604 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 answer
asked by
Lawrence
603 views
Why do you like Psychology?.
What specific aspects of Psychology do you enjoy?...abnormal, cognitive, biological... What
6 answers
asked by
lola
603 views
1. what 2 elements are soda cans made of?
2. what materials were used in (making) the soda can?
1 answer
asked by
Happy Face
600 views
How might the history of the US be different if the first European settlements had occurred on the west coast instead of the
6 answers
asked by
Chris
590 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 answer
asked by
Sara
589 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
0 answers
asked by
kali
582 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 answer
asked by
Anonymous
582 views
how many grams of carbon contains the same number of atoms as 40g of Neon
1 answer
asked by
Ernesine
581 views
Gaseous carbon monoxide reacts according to the balanced equation. If a total of 1040 kJ of heat is generated in the reaction as
0 answers
asked by
eng
577 views
Consider the parabola that passes through the points (2,6)(-1,12) and (0,6)
Find the equation and the vertex
0 answers
asked by
janet!
574 views
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