Questions Asked on
June 29, 2009

Physics
A potter’s wheel with rotational inertia of 45 kg m2, is spinning freely at 40 rpm. The potter drops a lump of clay onto the wheel where it sticks a distance 1.2 m from the rotational axis at the wheel’s center. If the subsequent angular speed of the
asked by Sarah 
Physics
A ladder of weight 200 N and length 10 m leans against a smooth wall with no friction. A firefighter of weight 600 N climbs a distance x up the ladder (x goes from the bottom of the ladder to the firefighter’s feet). The coefficient of friction between
asked by Sarah 
Math
(Growth of Cells) Suppose that after t hrs, there are p (t) cells present in a culture, where P(t) = 5000e*^2t a) How many cells were present initially? b) Give a differential equation satisfied by P(t) c) When will the population double? d) When will
asked by Mitch 
math...number sequence
What is the next logical number in the following number sequence? and Why? 5, 8, 14, 26
asked by M.A. 
Physics
The speed of sound in steel is 5000 m/s. What is the wavelength of the sound wave of 640 Hz in steel?
asked by Sarah 
Physics
An 8 g bullet is shot into a 4.0 kg block, at rest on a frictionless horizontal surface. The bullet remains lodged in the block. The block moves into a spring and compresses it by 9.4 cm. The spring constant is 1000 N/m. What is the initial velocity of the
asked by Sarah 
Creative Writing
Identify every concrete image within the poem. Remember that a concrete image is one that uses either sight, sound, taste, touch, or smell, so each concrete image should be identified as to which sense it connects to. Then, describe what each of the images
asked by Fats 
macroeconomics
(1) Population: 250,000 Unemployed: 20,000 Labor Force Participation Rate: 80% (a) How many people are in the labor force? (b) What is the unemployment rate? (2) Not in the labor force: 125,000 Unemployed: 25,000 Employed: 100,000 What is the unemployment
asked by Mac 
maths
prove that sin A(1+tan A)+cos A(1+cot A)= sec A+ cosec A
asked by sumayya 
statistics
A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability test, the mean for people in general
asked by Gregory 
7th grade
How can you tell if a picture is a primary source document or a secondary source document?
asked by Lola 
chemistry
The first step of the synthesis is described by the reaction below. When 1.000 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4, the theoretical yield of FeC2O42H2O is grams. Fe(NH4)2(SO4)26H2O(s) + H2C2O4(aq) FeC2O42H2O(s) + (NH4)2SO4(aq) +
asked by evelin 
PreAlgebra
These are 2 problems that I'm stuck on; I know the answers to them but I just don't know how to find that answer. Can someone please help? 1. The probability that the Lions football team will win the next game is 0.6. What are the odds that it'll win? Ans
asked by mysterychicken 
ENG 311 Creative Writing
I am still confuse but this is what I got and I chose poem Snow Day by Bill Collins. Identify every concrete image within the poem. Remember that a concrete image is one that uses either sight, sound, taste, touch, or smell, so each concrete image should
asked by Fats 
Physics
A PVC pipe that is one meter long is struck and the speed of sound is 345 m/s. What is the fundamental frequency (n=1) of the pipe when: a. The pipe is open at both ends? b. The pipe is closed at one end, open at the other?
asked by Sarah 
science
a car of mass 900 kg moves at 10 m/s. what is the braking force required to stop the car in a time of 5 seconds?
asked by anonymous 
7th grade
"An artists portrayal or a coureur de bois. Many of these adventurers married first nations women and has families. Their children were the metis. The metis learned both french and first nations languages from their parents. They also learned the customs
asked by Lola 
math
soybean meal is 18% protein; cornmeal is 9% protein. how many pounds of each should be mixed together in order to get 360lb mixture that is 14% How many pounds of cornmeal should be in the mixture? 200 how many lbs of soybean meal should be in the
asked by jason 
environmental science
do you believe that humans can harvest the forest resource in an environmental friendly way?
asked by yolanda 
statistics
On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z scores for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4, (e) 1.5, (f) 0, and
asked by Gregory 
English
Are critical essays the same as argumentative essays? if not what are they
asked by Anonymous 
science
if you have two 5 watt bulbs connected in series and then in parellel: a) Which circuit arrangement will give you brighter bulbs? Explain your answer.... b) Which of these arrangements will allow the other bulb to continue glowing if one of the bulbs is
asked by anonymous 
physics
A magnet is plunged into and out of a coil of wire 2 times per second. This induces 5 volts. a If the rate of motion changes so that the magnet is plunged in and out 6 times per second, what will be the new induced voltage? b if the number of coils in
asked by anonymous 
calculus
is the function f(x)=x^2 increasing on decreasing at x = 1. can anyone please check my reasoning: the value of the derivative of the function at x=1 is 2, so that means the slope of the tangent line to the graph at that is a negative value so the
asked by jeff 
PSY 210
paper summarizing each phase of the sexual response cycle for males, females, and commonalities for both males and females. Include a brief description of any sexual dysfunctions which can occur and common methods of treatment.
asked by Heidi 
visual basic 6
1)with the aid of illustrative examples, differentiate between Input statement and Read and Data statement.
asked by Thanking you... 
physics
what is the distance traveled by a vehicle in 12 minutes, if it's speed is 35km/h? And the answer I got was 7km but I got it wrong. Please help!
asked by lily 
psychology (information booklet)
I am required to do an information booklet on Cognitive Development in Childhood by Jean Piaget. What should be put inside this information booklet? Where can I find journals, pictures and other materials regarding this topic on the internet? Your help is
asked by mic_ 
psychology (research method)
I have to do an assignment on financial stress among college students. Where can I find questionnaires and journals on this topic? Are there any free journals that can be accessed online?
asked by mic_ 
World Geography
Nedd Help to pf Study Unit for Exam: # 6618 A _ B _ C
asked by Moses 
college
i have free speech.my topic is have ever done anything that you wish you hadn't done?what happened and how the situation might have been different if you had acted or thought differently. really i don't know,how can i speak because i don't know about
asked by krishna 
algebra
what is the product of the solutions to the equation x squared minus 15x minus 36 equal 72
asked by rhonda 
Calculus/Logarithms
Find the derivative of f(x) = (square root of x)(ln x). Using my notes, I came up with f'(x) = (1/2*square root of x)/x The answer in the back of the book says f'(x) = (2+ln x)/(2*square root of x). Can someone please explain how? Thanks.
asked by Amy 
7th grade
Look at figure 2.8 on page 40 and answer the following question in complete sentences: Why was water transportation so important in those days? Hint: Would there have been major road ways at that time for horse drawn, or ox drawn wagons? How would all of
asked by Deja 
12th grade
How much current flows in a 12 watt rad?io connected to a 120Volt circuit
asked by anonymous 
math
8x(2x+5)=19 The solution is x=4 is this correct?
asked by jason 
math
x+5y=3 (1) x=95y (2) What is the solution of the system? (3,6/5) is this correct?
asked by jason 
math
5/8x+1/16x=7/16+x the solution is x=7/5 is this correct?
asked by jason 
BioChemistry
The process of breaking a complex substance down into smaller components is called what?
asked by Manyse 
micro economics
Why are the firms in the perfectly competitve markets unable to control the prices of the goods that they produce?
asked by Marilyn 
ADVANCED HEALTH CARE
DESCRIBE TWO APPROACHES OR INDICATORS TO MEASURING PATIENT OUTCOMES
asked by MEGHAN 
economics
Suppose that the typical snowboarder/skier visiting Mount Unknown ski resort on a typical day would be willing to pay for lifts up the mountain according to the following schedule. (see graph …url below) 1. Why does the WTP schedule slope downward ? 2.
asked by Dave 
Marketing 230
How does an organization establish an IMC plan? What are some of the different stages that company goes through when developing their IMC strategy?
asked by Heidi 
Communications
What are 5 specific learning team goals ,COMM/330 University of Phoenix
asked by Janet 
Statistics
The assignment is in three parts: 1. An analytic section that you will submit as an Excel spread sheet 2. A PowerPoint presentation of 3 to 5 slides. 3. A narrative section that you will submit as a two to three page Word document First, read the business
asked by Willie Brown 
math
Use the formula *C=5/9 (*F32) to find the Celsius temperature (*C) when the Fahrenheit (*F) is 212 *F.
asked by tara 
chemistry
I had to do this online lab and have a total of 8 questions at the end and I am stuck half way through. Can someone please walk me through the last few question? Here is the Lab and my homework: In this experiment, we will determine the heat of reaction
asked by Gweedo8 
chemistry
Balance the equation: Note: If a chemical species coefficient is "1" then "1" needs to be entered in the field before that species. MnO4– + H+ + Fe2+ Mn2+ + H2O + Fe3+
asked by Claire 
statistics
A psychologist interested in political behavior measured the square footage of the desks in the official office of four U.S. governors and of four chief executive officers (CEOs) of major U.S. corporations. The figures for the governors were 44, 36, 52,
asked by Gregory 
7th grade
My textbook question is: Please look at page 38, Figure 2.6: "How do historians know Cartier traveled these particular routes? Where might they have found supporting historical evidence. The picture is just a map with the guys travels. (arrows and lines
asked by Deja 
Algebra
At the beginning of George’s diet, he weighed 212 pounds, and 8 weeks later he weighed 198 pounds. Find the average rate of change of George’s weight. I think its 1.75 but also 1.75? which one could it be? Please help! Thanks!
asked by Carmin 
7th grade
In my textbook I am supposed to say if the picture is primary or secondary. (In the descriptionof the drawing, it says "a self portrait by Champlain". This would mean that it is a primary source doc right?
asked by Lola 
physics
if you have two 5 watt bulbs connected in series and then in parellel: which of these arrangements willa allow the other bulb to continue glowing if one of the bulbs are removed?
asked by anonymous 
math
solve by substitution 7x+6y=7 x=589y What is the solution of the system? (7,5) is this correct?
asked by jason 
Math
Can someone please explain this to me: Does n+m=n + m for all integers n and m? If so, give some examples. If not, give a counterexample.
asked by B.B. 
7th grade
What is a feature article?
asked by Let's keep my name a secret 
economics
What can't a perfectly competitive market earn economic profits in the long run?
asked by Teri 
Math
I need some advice with this problem. Simplify as indicated. State at least one property of multiplication or division that would prove your simplification process correct. A. (n+4), to eliminate the parentheses. B. 6(s), to eliminate the parentheses. C.
asked by B.B. 
Vocabulary
How would you differentiate population and community?
asked by Lyla 
Accounts
The estimated allowance for bad debts for the month of May using a percentage .5% on the net sales of 97,500. what is the bad debt expense for the month of may. I will like to see the calculation please.
asked by Peaches 
psychology
Are they any journal articles on a measure of independence and interdependence (Singilis)?
asked by mic_ 
social studies
I need help with a question and that questions is compare the colonial empores of spain, france and England in terms of their settlements, economic structure and political control.
asked by Cheryl Williams 
Grade 7
What is new france and what is old france?
asked by Lola 
Algebra
y = f(x – 1) – 2 What does the line for this graph look like? Can anyone show me please? Thanks!
asked by Rachale 
Environmental science
identifying three fresh and three ocean water resource issues.
asked by ileana 
Creative Writing
Can you see how I did with my assignment please because I only have 30 min. left before I have to turn it in please so please look at it please. Poem Analysis 1, due Monday, 20 points The Poem Snow Day by Billy Collins Lines 15: Snow (taste, touch,
asked by Fats 
math
0.4x40} is this correct?
asked by jason 
math
solve using multiplication 6x>1/13 The solution is < 1/78 is this correct?
asked by jason 
math
use the distributive property to help you solve the equation 9(w2)=45 w=7 is this correct?
asked by jason 
math
solve 16
asked by jason 
math
find the slope and the yintercept f(x)=7x2 the slope is 7 the yintercept is(0,2) is this correct?
asked by jason 
Body Systems/Terminology
The most serious type of allergic reaction is A. atrial fibrilation B. psoriasis C. anaphylaxis D. lupus
asked by Anonymous 
maths
solve this problem in number line: 1. (+6)(3)
asked by sara 
Algebra
Please help! I need to simplify this and am confused. (sqrt5 a^7/2)^4 a^3/a^8
asked by Pamela 
adult education
What is a predicate adjective and how is it used correctly?
asked by Deb 
maths
prove that _______1______  ___1___ =__1___ sec xtan x cos x cos x  _______1______ sec x + tan x
asked by sumayya 
Algebra
Please simplify sqrt n2+ 12n + 36
asked by Audrey 
Math
Can someone explain to me how to calculate the following:  3   77.
asked by B.B. 
statistics
Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they
asked by Gregory