Questions Asked on
November 21, 2007

physics
What average force is required to stop an 1100kg car in 8.0 s if it is traveling at 95 km/h? i got the answer to be 13062.5 N. i don't think that's right...
asked by beckii 
math
use 6 of the digits from 1 to 9 to make each number. use each digit only once the greatest possible number with 3 ten thousands ( I don't get this one at all)
asked by Jill 
english
what is the authors purpose in writing othello?
asked by Tylor 
mgt210
promotion into supervision think about roy's personal attributes and goals and about how he might appy those abilities and reach those goals as a supervisor
asked by connie 
Math  Solving Trig Equations
Solve each equation for 0 is less than and equal to "x" is less than and equal to 360 3sinx = 2cos^{2}x  I don't know how to solve this equation...this is what I have, but I don't know if I'm on the right track or not 3sinx = 1  2sin^{2}x 3sinx  1 +
asked by Anonymous 
Physics
A 5.0kg box at the top of a 400cm ramp slides down 200 cm. How much gravitational potential energy was lost as the box slides from the top of the ramp to the 200 cm mark of the ramp? A cheerleader is thrown vertically upward into the air. As the
asked by Alex 
chemistry
A 48.0g sample of an element has the same number of atoms as 6.00 g Na. What is the element?
asked by Meg 
science
can you please help me put these events in order from latest to earliest?: pangea, the supercontinent, begins to divide trilobites dinosaur extinction first crocodiles archaeopteryx (early bird) first flowering plants protozoa (singlecelled,
asked by jenni 
Math  Solving Trig Equations
Solve each equation on the interval: 0 is less than and equal to theta is less than and equal to 360  2sin2x = 1   My Answers: Let y represent 2x 2siny = 1 2siny/2 = 1/2 siny = 1/2 y = sin^1(1/2) y = 30 2x = 30 2x/2 = 30/2 x = 15 (Quadrant 1)
asked by Anonymous 
Math Calculus
Hi, can anyone please help me solving these problems? any help will be greatly appreciated 1If a tank holds 1000L of water, which takes an hour to drain from the bottom in the tank, then the volume V of water remaining in the tank after t minutes is
asked by Tyler 
science  need help
a strip of silver does not react with any of the solutions tested what must be true about silver the solutions are: lead acetate zince sulfate and copper sulfate
asked by sam 
maths pls help
1. Solve the following simultaneous equations: log2 xy = 7 log2 (x^2/y) = 5 2. If log y x =a and log z x=b where x is not equal to 1, express the following in terms of a and b: logy (yz) Solve the following simultaneous equations: y = 2 log3 x y+1 = log3
asked by Claire 
physics
An airplane is doing a vertical loop in the air. The airplane goes at a velocity of 320 and at the top of the loop, n=500N. The pilot weighs 62kg. calc the radius of the loop vertical loop, given: v=320, n at the top=510N, m=62kg i don't know what eqn i
asked by Jonny 
Julius caesar
I don't understand these questions please help!! 1. A. What traits does Caesar object to in Cassius? (Act 2, Scene 2, Lines 192214) B. Why might Caesar object to these traits? What about them seems dangerous to him?
asked by Shelby 
Chemistry
what is theoxidation state of sulfur in Fe2(SO4)3?
asked by Anonymous 
geometry
given:m//n & g//h Prove angle 4 is congrunt to angle 16. I have no idea how to do proofs..my teacher is really bad at explaining things.
asked by katie 
ACS
Whatis the molarity of an HCl solution if 25mL of this solution require 19.58mL of 0.1062M Sr(OH)2 solution for complete reaction? The reaction is give below Sr(OH)2 + 2HCl > SrCl2 + 2H2O
asked by Debro 
physics
An airplane is doing a vertical loop in the air. The airplane goes at a velocity of 320 and at the top of the loop, n=500N. The pilot weighs 62kg. calc the radius of the loop vertical loop, given: v=320, n at the top=510N, m=62kg i don't know what eqn i
asked by Jonny 
333
CoCl2+NaOH =
asked by Anonymous 
physics
What change in temperature occurs in order to increase the volume of 16 L of ethyl alcohol to 17 L? a)56.8*C b)1450*C c)53.5*C d) 90*C I can't seem to get one of the answers. I used the equation (change in volume)=beta(initial volume)(change of time). 1
asked by Anonymous 
Early Child Ed.
Would you please make sure that I have chosen the best possible answer for each question? 1. In which one of the following teaching approaches does the teacher make all the decisions regarding what,how,and when the students perform? A. Direct B. Indirect
asked by Ms. Sue This is for You Please Check!! 
Geometry Proofs HELP!!
how do i do this? given: m//n g//h Prove: angle 4 congruent to angle 16
asked by Katherine 
physics: BOB or DRWLS follow up question
What average force is required to stop an 1100kg car in 8.0 s if it is traveling at 95 km/h? i understand what you both did, but why can't you use the V = Vo + at equation and solve for acceleration there and use that in the EF = ma equation?
asked by beckii 
English
How does an individual struggle to gain freedom against the restraints of society? How should I answer this essay question? Could you direct me on how to answer this essay question? I was thinking about how individuals rebel against society to gain
asked by Rex 
math
use 6 of the digits from 1 to 9 to make each number. use each digit only once. the least possible odd number
asked by Jill 
Algebra
Measure the height of your computer monitor to the nearest tenth of a centimeter or sixteenth of an inch. Measure the width of your monitor as well. Use the Pythagorean Theorem to find the length of the diagonal of your monitor. How do I measure it the the
asked by Alicia 
SOCIAL STUDIES
I need help on social studies about ancient rome
asked by hALIE 
Economics
I know the Fed uses four tools to influence/or control the money supply of the U.S. 1. Feds Fund rates 2. Open Market 3. Reserve requirements 4. Discount rate Can someone please explain what they are and how the fed uses them. I have a test waiting for me
asked by Julie 
English  Need Clarification on Two Words
What does it mean to be an individual? (This is what I think, you have you're own identity, but I need to expand more and I can't think of anything...) I'm basically asking, what does it take to be an individual? What does it mean to have freedom? (I think
asked by Anonymous 
FrenchSraJMcGin
Did I translate these two sentences correctly? (please forgive my accents)I know the words that I need, but I am not sure how's the ordering in the sentence. What days do you have your french class? = Quel jours tu as un cours de francais? I have french
asked by Miche 
science
Metals like platinum and gold are often said to be inactive. What does this mean My answer they do not react with other elements is this correct
asked by sam 
chem
Commerical hydrochloric acid is 37% by mass HCl and has a solution density of 1.18g/mL. What minimum volume of hydrocloric acid is needed to dissolve 16g Al. The balanced equation is 2Al + 6Hcl > 2AlCl3 + 3H2
asked by Anonymous 
algebra
A tennis club offers two payment options: Option1: $35 monthly fee plus $4/hour for court rental Option 2: No monthly fee but $6.50/hour for court rental. Let x = hours per month of court rental time. a) Write a mathematical model representing the total
asked by Patrick 
Sport  Football
In FLAG FOOTBALL, how many players are allowed on the field at one time and what are their positions' names? Please help, I'm in Australia and Football just ain't as big as it is in some other countries.
asked by xX_Supaman_Xx 
Calculus
Use the given information to find the cos (2,0), csc q = 5/3, q lies in n quadrant II How would I go about doing this
asked by Kelly 
thanksgiving
The Thanksgiving Day is coming. Do you have some ideas about it? For western people, it is more important than us Asian. But this kind of custom influences us gradually. So, this Thanksgiving Day I want to send some interesting gifts to my families,
asked by Kim 
math
use 6 of the digits from 1 to 9 to make each number. use each digit only once. a) the greatest possible even number
asked by Jill 
English
Sorry I get confuse, the text is this: Chinese new year Chinese people celebrate new year in the first new moon of Febraury,it changes every year, it takes two weeks, from the new moon to the full moon, people wear red clothes in new year, they bring good
asked by Kate 
science
what are the five groups of vertrbats?
asked by nicholas 
Alebra
I have this math project and I'm stumped on this word problem. Any point in the right direction would be greatly appreciated.. A movie theater had a certain number of tickets to give away. Five people got the tickets. The first got one third of the
asked by Mike 
English grammar
1. Because of the terrible situation, most of the bodies remain openeyed. 2. If you believe in such a probability approaching zero and feel safe, do you think it is right?  Are the sentences above grammtically correct?
asked by John 
social studies
U.S.A old dietfood
asked by Please help me 
HUM 130
Aborigines in Australia and the Kalash Kafir . I need help finding this Why are these groups considered indigenous?
asked by dawn 
Psychology
Is there a strong connection between our mood and our senses? Has there been science esearch to support or disprove this notion?
asked by Christian 
english
Is this text correct? Chinese new year The chinese people celebrate new years eve in the first new moon of Febraury,it changes every year, it takes two weeks, from the new moon to the full moon, people wear red clothes in new year, they bring good luck in
asked by Kate 
Grammar
This question has been bothering me. Is twenty five proper or twentyfive?
asked by Annie 
English/History
"The photographs which the man brought showing bridges and cities, trains, boats, big buildings, were not impressive to us...Having had no experience with the diminished scale of things in a photograph, we gained no magnitude." Does this sentence say that
asked by jAcKiE 
NUTRITION
WHICH IS THE MOST COMMON FOOD IN USA?
asked by Please help me 
science
what experiment could you perform in order to determine if iron is more active than copper? My answer: use a group of of the smae substances and test both of them in each substance separately and observe the changes in the iron nad copper
asked by sam 
English Expressions
What is the meaning of "I am how I am."? Is it the same as "I existed of itself."?
asked by John 
human resources
what are the pros and cons for combination incentive plans?
asked by mary 
arguments
should pupils have homework
asked by terenci 
skwl quiz
which county, in england, has there been an outbreak of bird flu, THIS WEEK?
asked by !!ezr!! 
please help
When is noblecase corruption, such as the Dirty Harry problem, justifiable? Do you agree that law enforcement should use extreme means to catch criminals?
asked by chel 
Geometry. somebody pplease help!
how do i do this? given: m//n g//h Prove: angle 4 congruent to angle 16
asked by Katie 
Proofs HELP
this has the same layout of my last question but the given is an angle not a line. Given:angle 2 and 3 are supplementary and angle 6and 10 are congruent. prove:m//n
asked by katie 
math in general
what is the point of proofs?
asked by Kevin 
algebra
I need help with: solving and check for extraneous solutions. sqrt y+9=1
asked by curtisgurl 
history
i have to make a newspaper around the year 1830. Where can I go to find accurate free info about "NEWS" in that time period?
asked by ama 
physical science
How do you calculate the heat generated from dropping a metal ball from heights?
asked by Scott 
skills for learning in an information age
why is it important to use inclusive language when communicating?
asked by carol 
prealgebra
What is the prime factorization of 24asquaredb?
asked by Tabby 
Geometry
determine whether the side through the points (2, 3) and (11, 6) is perpendicular to the side through the points (2, 3) and (_3, 18).
asked by Ala 
english
does anyone know what the book" the fugitive" is about?
asked by Stephanie 
history
according to the myans, when is the world schedueled to end
asked by Connor 
Algebra..Heeelp please!
Need assistance on this word problem... Singer I.M. Great publicly promised each of her fans an autographed photo of herself. The response was bigger than expected: all 220,000,000 people in the U.S. wrote for a picture(even her own brother). Calculate the
asked by john 
dr bob
dr bob  when you say plates out can I use the word reacts instead?
asked by sam