Questions Asked on
December 21, 2009

physics
how many kilometers per liter will a car obtain if its engine is 25% efficient and it encounters an average retarding force of 500N at highway speed? assume that the energy content of gasoline is 40Mj/liter
asked by john 
Trig.
An airplane flying at 600 miles per hour has a bearing of 52 degrees. After flying for 1.5 hours, how far north and how far east will the plane have traveled from point of departure? (I'm not sure how to convert miles into degrees or if that's even the
asked by Sam 
French
Could you please check and correct this for any spelling or grammar problems. Thanks! PAST 1.Quand j'étais jeune, j'ai eu des cheveux blonds. 2.Ma soeur, Marissa, et moi avons joué ensemble tout le temps. 3.J'ai sucé mon pouce. 4.J'ai porté une
asked by Beth 
Physics
The Olympic diver completes 3.5 somersaults in 1.7 seconds. What is the average angular speed (in rad/s) of the diver?
asked by Joe 
Physics
A car can decelerate at 4.80 m/s^2 without skidding when coming to rest on a level road. What would its deceleration be if the road were inclined at 13 degrees uphill? Assume the same static friction force. Supposively the answer is 7.00 m/s^2 but I keep
asked by Jake 
Math
How many different threedigit numbers can be written using digits from the set of 1, 2, 3, 4,5 without any repeating digits?
asked by Michelle 
10th grade english
Write an essay comparing Baldwin's account of the Titanic with Rosenthal's account of his visit to Auschwitz.In your paragraph, explain how the tone and purpose of each essay is different. Support your argument with at least one example from each essay.
asked by brad 
Physics
3) Joe has a playing time of 74 minutes. When the music starts, the CD rotating at an angular speed of 480 revolutions per minute (rpm). At the end of the music, the CD is rotating at 210 rpm. Find the magnitude of the average angular acceleration of the
asked by Bob 
Physics
) Joe has a playing time of 74 minutes. When the music starts, the CD rotating at an angular speed of 480 revolutions per minute (rpm). At the end of the music, the CD is rotating at 210 rpm. Find the magnitude of the average angular acceleration of the CD
asked by alexs 
PreCalculus
The population of a particular type of bacteria doubles in number every 12 hours. a)if there are 8 bcteria initially, write an equation that models the number of bacteria present after x 12 hours. b)How many bacteria will be present after 5 days? by using
asked by Amy 
Organic Chemistry
What other oxidizing reagents could have been used to convert the 9fluorenol to 9fluorenone?
asked by Kevin 
physics
The eye of a hurricane passes over Grand Bahama Island. It is moving in a direction θ = 49° north of west with speed v1 = 41.0 km/h. Exactly three hours later, the course of the hurricane shifts due north, and its speed slows to v2 = 19.5 km/h, as shown
asked by Trisha 
social science
To compare one person’s test scores to the scores of all other people who took the test, psychologists must know something about the test’s? projective nature subjective nature length norms
asked by sindy 
Physics
2) The baseball player throws a curve ball that reaches the catcher in 0.60 seconds. The ball curves because it is spinning at an average angular velocity of 330 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement
asked by Mike 
Christianity
Okay so during and after the time of Jesus, it was okay for people to marry their relatives. People married their half sister or brother. Even in the 1500s royal families still married their relatives in England. So then how did the the law of not being
asked by clay 
11th gradeLogs
log x = 1/2 (log a + Log b  log c) express x in terms of a,b,and c.
asked by Jess 
business
a. What type of information does managerial accounting provide?
asked by Barbara 
Macroeconomics
Discuss the differences between a flexible exchange rate and a fixed exchange rate. What measures can the government take to maintain fixed exchange rates?
asked by Amber 
english
i have to write a literary analysis for the poem, "the tide rises, the tide falls". in the poem ive chosen write abt two elements, imagery and symbolism. and ive to analyse their purpose, effect, and place in the literary work's meaning. thus im just
asked by bindiya farswani 
college
Do students at various colleges differ in how sociable they are? Twentyfive students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of time they spent socializing each day with other
asked by Sandra 
english
i have to write a literary analysis for the poem, "the tide rises, the tide falls". in the poem ive chosen write abt two elements, imagery and symbolism. and ive to analyse their purpose, effect, and place in the literary work's meaning. thus im just
asked by bindiya farswani 
math: precalc
You are going to buy a $18,000 car. The dealer offers you $2000 cash back of nothing down and 0% financing for 60 months. If you take the financing, starting in one month you will pay onesixtieth of $18,000 each month for 60 months. In some sense that is
asked by Ajax 
psychology
Unlike psychodynamic approaches to personality, the learning approach emphasizes what? latent personality structures, selfactualization processes, the outer person, biological traits
asked by sarah 
psychology
Such tests as the Rorschach Inkblot Test and the Thematic Apperception Test are examples of what? projective measures selfreport measures objective measures observational measures
asked by tanya 
chemistry
Having issues with significant figures. 82.420g + 3.24g = 85.66g Would it be 85.7g?
asked by linda 
Biology
When oxygen uptake is low, a high proportion of the total amount of blood pumped goes to the intestines. When oxygen uptake is high, a small proportion of blood goes to the intestines. Explain the differences in terms of the needs of the body during rest
asked by Stuck 
Pre Cal
Vertify the identities, clearly show each step (vertify one side that they are equal to each other) sec^2+csc^2=sec^2+csc^2
asked by Amy 
macroeconomics
(Import Substitution Versus Export Promotion) Explain why domestic producers who supply a good that competes with imports would prefer an importsubstitution approach to trade policy rather than an export promotion approach. Which policy would domestic
asked by Amber 
MathLOGS
Express x in terms of a,b and c. log x = 1/2 (log a + log b  log c) Please solve and explain how to do this type of problem, thank you!
asked by Jess 
Physics
The ball spins at 7.7 rev/s. In addition, the ball is through with a linear speed of 19 m/s at an angle of 55 degrees with respect to the ground. If the ball is caught at the same height at which it left the quarterback's hand, how many revolutions has the
asked by Christopher 
PreCalculus
The Richtr scale was evied y Cahrles F.Richter a American geologist. The scale is based on the equation M(x)=logx/x0(little 0), where x is the seismographic reading of the earthquake and x0 i 1 miron 0.001mm (the seismographic reading of a zerolevel
asked by Andy 
Algebra
I was wondering if someone could check over these answers for me. Find the slope between the set of given points: a) (3,6) & (2,7)=2.6 b) (7,5) & (7,4) = 9 c) (0,5) & (16,5)= 16 I just wondered if the answers I have are right.
asked by kaci 
Math/Algebra
Write the equation of the line that goes through the point (8,2) and has a slope of 4. (1 point) Is the answer y=4x32 Thanks.
asked by Kim 
social studies psychology
Observing what a person does under carefully controlled circumstances is a main feature of what? 1.the Thematic Apperception Test 2.behavioral assessment 3.Rorschach methods 4.the MMPI2
asked by sandy 
Algebra
 2 3 5 A= 1 7 9 3 2 10 , 3 B=4 1 I need to solve this matrix equation AX = B FOR X BY FINDING A^1, given A and B as follows. I am new at this did I write A^1 right? This is suppose to be an A with a minus one at the top.
asked by mike 
Physics
The ball spins at 7.7 rev/s. In addition, the ball is through with a linear speed of 19 m/s at an angle of 55 degrees with respect to the ground. If the ball is caught at the same height at which it left the quarterback's hand, how many revolutions has the
asked by Christopher 
Biology
Stroke volume is the blood pumped by the left ventricle each time it contracts. During a training run the stroke volume of a person is 0.1 dm^3 (100 cm^3). Calculate the pulse rate at an oxygen uptake of 2 dm^3/min. Is there enough information (there is a
asked by Stuck 
math 214
Answer each of the following: a. Draw a line l’ and any two points A and B so that AB is parallel to the line. Find the image of l under a translation from A to B. b. Draw a line l and any two points A and B so that AB is not parallel to l. Construct
asked by brina 
Calculus
Express the four fourth roots of 1/2 + ã3/2 i
asked by George 
math
I can buy office supplies @ walmart with a 30/10 chain discount. If I paid $47.25 for adding machine. What was the regular price of my purchase? 30/10 chain discount means .70 x .90
asked by jack 
9th grade
In, 1914 how many European nations controlled territory in Africa?
asked by jazz 
math
a wagon retails for 49.97 the store receives a built in 40% profit margin what is the cost
asked by jack 
Introduction to Educational Theory
How do you feel about this situation? I'm trying to collect opinions from teachers/adults. The Scenario: A teacher assigns an essay. However, on the due date, the teacher says that the he will not accept essays because he has decided to extend the
asked by Britani 
Art History
Major artistic achievements in the 17th century were seen in A. France B. Spain C. Germany D. England My book is really no help on this question at all... I figured it would be in the Netherlands. My guess would be B. Help please? :]
asked by Amy 
Eli whitney
How did he invent the cotton gin what makes the cotton gin work
asked by Anonymous 
4th grade, social studies
Need to answer "what made the early colonies a success?" Is it because the lands were already explored, so they just got the riches and power? Not sure. Confused. Test tomorrow.
asked by Elaine 
Trig.
How's the rule go on evaluating compositions of functions? Is it that sine is positive in first and second quadrants, while cos/tan are positive in the first and the fourth?
asked by Sam 
college
The Dreyfus Affair Who: What: When: Where: Why significant: ** Longer Term Impact to the broader history we are studying: How did it constitute a turning point: Why was it influential beyond its local significance: The Schlieffen Plan Who: What: When:
asked by Karen Kingsley 
accounting
a. What type of information does managerial accounting provide?
asked by Barbara 
9th grade
how do you find volume by the displacement method?
asked by Anonymous 
Amercia
Should America police the world?
asked by Troy 
business
Is retail what the stores sale items for?
asked by kay 
Physics
Could someone please help me with this question. Thank you The person makes a spin through the air, increasing the angular velocity from 3.0 to 5.0 rev/s while rotating through 1/2 revolution. How much time does this it take ?
asked by Victor 
managerial economics
Suppose a manufacturer estimates its marginal cost at $1.00 per pack, it's own price elasticity at 2, and sets its price at $2.The company's settlement obligations are expected to raise its average total cost per pack by pack by about $.60. What effect
asked by Marie 
calculus
differential of (dy/dx)=y/x
asked by Anonymous 
physical science
How much work is done by the gravitational force on an object of mass 9.40 kg that is initially at rest when it falls down for a time of 1.85 seconds. Ignore air resistance
asked by jhon 
French
Agree with what the French exchange student says about some of the people in your school. Use the indicated noun in each of your sentences. 1.Matt est timide.(un garçon) Oui, c'est un garçon timide! 2.Mrs. Johnson est bavarde.(un prof) Oui, c'est un prof
asked by Anna 
Algebra
1. Find the slope between the following sets of points. a) (3,6) & (2,7) = .02 b) (7,5) & (7,4)=9 Infinity c) (0,5) & (16,5)= 0 Are these right?
asked by Kaci 
math
a ring retails for 39.95. the jewelry store received the ring with a built in 30% profit. What is the cost?
asked by kay 
poetry
How do you write a List Poetry poem?
asked by Crystal 
Technology
A watchmaker would work with _____ measurements. a. standard b. precision c. indirect d. Swiss I'm a little confused on this question. I don't think it's A or D. I'm stuck between B and C, but I think it's Cindirect. Is there any tutor that is good in
asked by y912f 
social studies
1.For one day, keep track of what you do from the time you get up until the time you go to bed. For each hour, record one of these activities: *work *play *school *recreation *other I've made my chart, but I need help on the second part which is: 2.Make a
asked by Kelly 
8th grade
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor
asked by AL 
math
Explain how to solve the equation 2x – 3 = x + 2
asked by alicia 
science
suggest only one best method to avoid such a collision if a near earth asteroid of radius 50m strikes the earth surface?
asked by sam 
U.S History
Please help me out with this question. I think I know the answer, but I'm not too sure. Thanks! Monroe's message stated that American foreign policy regarding European conflicts would be (a) neutral (b) de facto (c) nationalist (d) firm but friendly I know
asked by Maha 
Science
How are fossils made?!?!?!?!?!?!?!?!?
asked by Tymera 
french
what does tu préféres le français mean in english
asked by velma 
Algebra 1
We have to factor this: 4y^25y+1 I got (4y1)(y1) Is this right?
asked by Ashley 
psychology
Evaluations of a particular belief, person, object, or idea describe a person’s: attitudes motivation predispositions biases
asked by kelly 
math
how many digits are in the product of 24 and 32
asked by francine 
science
Suppose a near earth asteroid of radius 50m strikes the earth surface.what could be the impact of such a collision?
asked by sam 
vocab
how many wods can be made from the word interdepartmental
asked by me 
Technology
Choose the longest measurement. a. 1 millimeter b. 1 inch c. 1 kilometer d. 1 yard C1 kilometer
asked by y912f 
french
what does tu préféres le français mean in english
asked by velma 
math
Show how to slice a cylindrical piece of cheese into eight congruent pieces with three slices.
asked by nicole 
calculus
what is the diferential of (dy/dx)=2^x?
asked by Anonymous 
science
suggest only one best method to avoid such a collision if an earth asteroid strikes earth surface?
asked by sam 
Algebra Question
How do I write A1 The minus one is small and at the top but I am new at algebra and this is the first time I had to use this.
asked by mike