Questions Asked on
February 21, 2007

Physics HELP!!!!!!!!
For the normal force in Figure 5.21 to have the same magnitude at all points on the vertical track, the stunt driver must adjust the speed to be different at different points. Suppose, for example, that the track has a radius of 3.1 m and that the driver
asked by Mary 
organic chemistry
1)Why benzoic acid is soluble in NaOH? 2)Why HCl is insoluble in titration of benzoic acid and NaOH? Benzoic is soluble in a solution of NaOH because the base forms the sodium salt with the acid to form sodium benzoate. The sodium salt is soluble. The
asked by kim 
mathstatistics help
A pharmaceutical manufacturer forms tablets by compressing a granular material that contains the active ingredient and var. fillers. The hardness of a sample from each lot of tablets produced is measured to control compression. The target values for the
asked by jisun 
physics
An object, after being released from its circular path, travels the distance OA in the same time it would have moved from O to P on the circle. The speed of the object on and off the circle remains constant at the same value. Suppose that the radius of the
asked by Mary 
importent
Post it. We will try. But we are not going to do the essay. this is due 2marro so i need ur help it's an essa on my biggest chalinge i was wandering if u coud do it by 2marrow and send is 2 but u must give it 2 me 2day so hurry o ya and it needs 2 be 23
asked by bobpursley 
reading: personification
How is personification an effective writting tool? *w*w*w*.*a*s*k*.*c*o*m* hey i cant help but heres a hint just go 2 (go on the words w/ the stares around them )and ask the question Here are some really good sites explaining the use of personification.
asked by lilly 
IDIOM
GRABBING THE BULL BY THE HORNS A WOLF IN SHEEP'S CLOTHING Thank you for using the Jiskha Homework Help Forum. This expression means to "get right to the point." If you have something to say you do not "beat around the bush" but come right out and say it.
asked by ray 
color theory
1. The range of dark and light blue in the sky refers to the _______ of this color. A. value B. color temperature C. intensity D. hue 2. In the summer, you're assigned to take a photograph of a lighthouse. It's essential that the color temperature of this
asked by lilly 
Jena
Stop the nonsense posts on this site. If not stopped, you wlll be reported to your service provider, and you will be banned. Her IP address is 12.227.244.117. I have gone ahead and reported her: Location: United States [City: Seattle, Washington] AT&T
asked by bobpursley 
Physics Bungee Jumping Problem
A 75kg person jumps off a tower with a bungee cord tied around their leg. The cord obeys Hooke's Law and has a cord constant value of k=50 Nts/m. After falling a distance of 15m, the cord begins to stretch. Neglecting air resistance and the mass of the
asked by kbmr 
Crystal
Stop the nonsense posts, you are wasting our time, which is better devoted to helping kids. If you do not stop, your actions will be reported to your Service Provider and your IP address reported. Thanks.
asked by bobpursley 
Physics
A 5.60kg particle has the xy coordinates (1.20 m, 0.500 m), and a 5.20kg particle has the xy coordinates (0.600 m, 0.750 m). Both lie on a horizontal plane. At what x and y coordinates must you place a 1.60kg particle such that the center of mass of
asked by winterWX 
math
Will you help me with my math homework? what level of math? Please repost with the specific problems, so we can help. Thanks for asking.
asked by morgan 
AP U.S. History 1920's immigration
Between 1880 and 1925 American society remained true to its core values of liberty, equality and opertunity regaurding immigration issues. !@#$%^& the validity of this statement. Ha! whatever! Tons of immigration took place between those years, and the
asked by Annie 
music
A wind instrument, such as a bassoon, clarinet, flute, oboe, or saxophone, in which sound is produced by the vibration of reeds in or by the passing of air across the mouthpiece.
asked by Katrina 
Eng Hyperbole example
Anyone noe an example of a hyperbole being used in romantic poetry? provide the poem, and the line being used plz. Tnx This Wordsworth poem has an example of hyperbole. http://www.bartleby.com/145/ww260.html
asked by thomas 
calculus
Jena. Stop it, or you will be banned. Using the chain rule, how do i solve this problem? g(x)=(sin3x)^3 g'(x)=?? 3sin(3x)^2 â€˘ 3 i think *w*w*w*.*a*s*k*.*c*o*m* hey i cant help but heres a hint just go 2 (go on the words w/ the stares around them )and ask
asked by bobpursley 
simplify fractions{someone help plz}
ok how do i simplify a fraction if there is no fraction. like for ex this is one of the problems i simplify to 1/2. my numerator is a prime number between 44 and 52 who am i? see i don't get it someone help plz There is only one prime number between 44 and
asked by breiona 
Transition Math
Can you help discribe how to do this or what it will look like? If 25 boys at Central Middle School play basketball and 20 play both soccer and basketball, draw a Venn diagram to represent the soccor and basketball players first of all, you would draw a
asked by Courtney 
WAVE CALCULATION QUESTION URGENT!!!!!!!!
Convert 8.6 x 10^13 Hz to nanometers. Assuming this is a light wave, Frequency*wavelength= speed oflight jiko like question jiko know all. ;.)
asked by Will 
Bio _
The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
asked by Anonymous 
music
what is a percusion insrument Percussion instruments are played by being struck, shaken, rubbed or scraped. They are perhaps the oldest form of musical instruments. Some percussion instruments play not only rhythm, but also melody and harmony.
asked by Crystal 
Chemistry
For the reaction: 5A + 3B > 6C + D, the following data is found: Time________A 0.00s .775 M 5.00s .200 M Find the rate of disappearance of A, the overall rate of reaction, and the reates of disapperance and appearance of B, C, and D. The answers I got
asked by Aletha 
English
what makes a good research topic A good research topic that i have chosen are the first thanksgiving and i also reasearched things about the pilgrims and the indians. I would choose things maybe about the solar system, Social studies and plants and
asked by gladys 
physical science
How to learn to do the formulas for finding speed, distnace, and etc.?? *w*w*w*.*a*s*k*.*c*o*m* hey i cant help but heres a hint just go 2 (go on the words w/ the stares around them )and ask the question *w*w*w*.*a*s*k*.*c*o*m* hey i cant help but heres a
asked by Jake 
Pre Cal
If x varies directly as y62, inversely as z, and inversely as the square root of w, what happens to x when y is multiplied by 3, z is doubled, and w is quadrupled? I would really appriciate it if someone could help me understand how to do this problem.
asked by Marie 
SOCIAL STUDIES
To what extent did the French Revolution adhere to the principles of liberty, equality and fraternity? Not sure if this will answer your question, but these are my thoughts. The french started their little revolution a little while after the american
asked by Yuri 
physics
So does Copper and Copper 64 have the same atomic structure? with 29 protons and electrons and 35 nuetrons? All copper isotopes have the same electron structure, that is why they all chemically react the same.
asked by naomi 
business law
Name 3 everyday situations in which knowledge of the law would be useful. Think about laws pertaining to driving (speeding, DUI, etc.), mandatory school ages, dogs (biting others, leaving messes, etc.), theft (especially shoplifting), playing loud music.
asked by Anonymous 
Comma Splice
How do you rewrite the folliwng using a comma splice? ***Dr. Frankenstein flung a power switch, blue streamers of static electricity crackled about the table the creature gave a grunt and opened smoldering eyes. Yoli, comma splices are a grammatical
asked by Yoli 
Physics
An old Chrysler with mass 1900 kg is moving along a straight stretch of road at 48 km/h. It is followed by a Ford with mass 1500 kg moving at 65 km/h. How fast is the center of mass of the two cars moving? m1v1 + m2v2= (m1+m2)vcm solve for vcm 55.5
asked by winterWX 
physics, please help check
A rocket car is traveling on a linear horizontal frictionless track when it suddenly runs out of fuel. The car has achieved a speed of 100 meters per second at the very moment the fuel is completely spent. The track then suddenly changes to a 30degree
asked by Katrina 
bio+ please check!!!
The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
asked by Anonymous 
math
Sorry my mistake. i had typed up the wrong question mr.bobpursley. What I meant to say was 66 2/3% of ____ = 74. I still can't understand how to figure this out? It is done exactly as I stated. I changed 66 2/3 percent to a fraction 2/3.
asked by shivangi 
social studies
what was the material that was used to make portrait masks in ancient egypt cartonnage
asked by kyle 
Biology/Chemistry
What kind of isomers can amino acids form? Which isomer is present in most living organisms? don't major compounds of living organisms consist of modifications of hydrocarbons Although D amino acids can be found in nature, only the L isomers are used to
asked by Raj 
Calculus (Help)
Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The
asked by Confused 
Calculus (Help)
Also I would like to know how to set this problem up in finding the answer: Find the second derivative. y= sqrt(3x+4) Thanks, P.S. I tried taking 3x+4 and squaring it to the 1/2. I thought that might've been the same, then I took the derivative of that and
asked by Confused 
maths
hi, i would really appreciate some help on simplifying this question: 2(3e^xe^x)(3e^xe^x) could this be simplified as 2(3e^xe^x)(3e^xe^x) which would then become (21)(3e^xe^x) i feel this isn't right however...
asked by elle 
MoRe HeLp PlEaSe!! (calc)
Also can I get some help with this LONG, TIRESOME PROBLEM? Find the derivative using the chain rule. f(x)= ((3x7)/(6x+3))^4 Thanks a lot! (68/(12x^2+12x+3))*[(3x7)/(6x+3)]^3 you should double check the answer multiply 4((3x7)/(6x+3))^3 by the derivative
asked by Confused 
Literature
Polonius is giving advice to his son, Laertes, about living life well among other people. Laertes was about to set off from Denmark to Paris for university. http://www.sparknotes.com/shakespeare/hamlet/section3.rhtml =) I'm much better at science,
asked by Writeacher 
Bio+ chcekc!
The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
asked by Anonymous 
molar mass
what is the molar mass of NaHCO3 84 more or less. You will need to add the individual atomic masses to obtain an exact number.
asked by kitty 
French! help plz
Thank you for using the Jiskha Homework Help Forum. My students used to watch TV programs and then do a take off. For example, Concentratiion was one. THANKS SO MUCH. Umm, by any chance do u have any more ideas? Can some think of an activity that relates
asked by SraJMcGin 
French 1
I am trying this again. Incomplete french say that the people do not the activities given. Here is what I did please check for me Thanks much 1 Julie/voyager Julie ne voyager pas 2. elles/etudier Elles ne pas etudier 3. il/habiter a Paris Il ne pas habiter
asked by DANIELLE 
Chemistry
What atomic mass is equivalent to seven helium nuclei? What atomic number is equivalent to seven helium nuclei? Now subtract that from the atomic mass and number of ununhexium suppose the isotope of ununhexium ( find the symbol for this as well) undergoes
asked by bobpursley 
microeconomics
Just when you really, really want an ice cream cone, the price is rising. But it isn't summertime gouging by manfacturers. The cost of milk fat, the principal ingredient in ice cream, jumped 71% druing the past 6 months to 2.22 at the end of June. As a
asked by Kim 
Science
I am reading about partial solar eclipses, and my book has this warning: CAUTION:Looking directly at even a tiny sliver of the sun during a solar eclipse can damage your eyesight permanently. Why do they give this warning specifically for eclipses? Is the
asked by Jenna 
Statistics
Restaurant built in Edmonton has 80% chance of 1 year. If built in St Albert survival falls to 65%.Estimated chance St Albert is available is 60% and Edm 40%. A)Probability the restaurant will survive 1 year B) be built in Edm and last 1 yr C) be built in
asked by Linda 
renaissance
What kinds of changes in science and economics made European exploration possible? Check this site for the basic information. http://www.learner.org/exhibits/renaissance/exploration.html
asked by chris 
math
How do you figure out a percentage with a fraction of a number. For example 66 2/3 of ________ = 74? change the percentage to a decimal or fraction. Lets do fraction: 66 percent is 2/3 2/3 * Number = 74 multiply both sides by 3/2 Number = 3/2 * 74
asked by Shivangi 
Math Ratio Question Need A Quick Reply
In 1997, there were 3043 county governments in the U.S. Of these, 3 were in Deleware. What was the ratio of county governments in Deleware to total county governments? Do I write this: 3043/3 or 3/ 3043 3/3043 just in case you still need this, its: 3/3043
asked by Candace 
math
HURRY UP AND ANSWER THE QUESTION!!!
asked by KEVIN JONES 
science
what is the following answers for the definitions i don't understand; control, repetition, validity, reliability, accuracy, controlled variable, independent and dependent variable, hypothesis? We'll be happy to help you understand these definitions if you
asked by Jess 
denstiy
density is (g/cm^3) when if you have a volume of mL? If you want to find the mass from density and volume, do you have to convert the volume to liters? mL is the same as a cm^3 1 gram/ml= 1 gram/cm^3
asked by Ky 
Science
How come there is a lunar and solar eclipse only twice a year, and not once a month?
asked by Larry 
Bio + check!!
The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
asked by Anonymous 
Science
What causes the rock cycle? Check this site. (Broken Link Removed)
asked by Jamie a.k.a ?~?~^ 
microeconomics
An october 24, 1996 article in the washington post dicussses the completion of a new private toll road between leesburg and washington dulles international airport. It states that daily revenue from tolls increased from $14000 to 22000 when the price to of
asked by Kim 
social studies
What does the washington flag look like Check this site. http://www.50states.com/washingt.htm
asked by Crystal 
math,correction,plz
Can someone who has a few minutes could you please correct this for me.thank you. Directions: Find the xintercepts of y= x^2+x6 My answer: there are two xintercepts ( (1sqrt25)/(2),0) and ((1+sqrt25)/(2),0 x^2+x6= (x+3)(x2) how did you get those
asked by jas20 
Science
how can i understand the newtons laws of motion? break it down it sesions and read it then se if you understand it umm yah i need help on finding out wut is the accessory organ!!! plz help!
asked by Sherice 
math
What i want to say is that if you have to find, for example 66 and 2/3 of ____ which equals 74, how do you do it? 66 and 2/3 of ______ = 74? I assume you mean 66 2/3%, which is 2/3. If 2/3 of x = 74, then x = 74/(2/3) = (3/2)*74 = 111 You're right . i did
asked by shivangi 
Please Help (Math)
You have to simplify each expression: 1/R+1/T multiply the first term by t/t, and the second R/R You should then get... (T+R)/RT
asked by Margie 
English  Hyperbole
what is it used for, and how and why might it appear in literature? its used to make an obvious exaggeration like "to wait an eternity" "Hyperbole is a figure of speech which is an exaggeration. Persons often use expressions such as "I nearly died
asked by thomas 
math
115100+3*5= 115100+3*5...Use BEDMAS (Bracket, Exponent, Division/Multiplication, Addition/Subtraction). So you would first do 3*5 which is 15. So you'd have: 115100+15 And then from there solve to get 30. It's PEMDAS Raj!! P  PARENTHESSE E  Exponent M
asked by asafa 
business law i need an internet article
Find an internet article to find a situation where an ethical decision conflicts with a legal decision. (Broken Link Removed) http://en.wikipedia.org/wiki/Ethical_decision If you find anything of interest in here (use the table of contents links), be sure
asked by Anonymous 
waves (please help)
I know its hard me explaining: In a problem I have it shows a picture of wave and shows the displacement from peak of one wave to the trough of the next. The choices are A: wavelength/2 B: wavelength C: 2 X amplitude D) period E) period/2 It doesnt show
asked by tia 
physics PLEASE HELP
I know its hard me explaining: In a problem I have it shows a picture of wave and shows the horizontal displacement from the halfway point of one peak of one wave to the halfway point of the trough right next to it. The choices are A: wavelength/2 B:
asked by tia 
Chemistry
How would I draw the abbreviated structural formulae of the products of the complete hydrolosis of this compound, CH3 O (=) N  C  CH  NH2 () () H CH3 CH3 Sorry about the drawing, the bonds in brackets should be vertical, thanks. We simply can't draw
asked by Ben 
physics
why is machinery not 100% efficient Friction, heat loss
asked by Anonymous 
Math
How do you find critical points in a function? For example, find the critical points in f(x)=12+2x^2x^4 please help me somebody find the derivative and set it equal to zero
asked by Math 
Chem
This is concerning Le Chatelier's Principle and Equilbrium... After I give a definition of what it means when it is said that salt is soluble and what is meant by insoluble, I am asked: Why are these terms very broad and not very accurate? Can someone
asked by Marisol 
Phenol/Nitirc Acid Reaction
Is it possible to illustrate the reaction mechanism for phenol with nitric acid? no well thank you, you have been most helpful
asked by Rob 
chemistry
I need to know the molecular formula of oxide of arsenic when in its gaseous state and give reasoning how I put this togehter. http://www.webelements.com/webelements/compounds/text/As/As2O31327533.html There are only two oxides listed, but one of them
asked by Angelika 
Biology
Hi, I have 4 questions regarding Biology. 1. Does a different chromosome number in two species represent a significant difference? 2. Chromosome 7 has an extra band at the top in chimpanzees; does this extra band affect the quantity of coding DNA? And does
asked by K 
microeconomics
Just when you really, really want an ice cream cone, the price is rising. But it isn't summertime gouging by manfacturers. The cost of milk fat, the principal ingredient in ice cream, jumped 71% druing the past 6 months to 2.22 at the end of June. As a
asked by Kim 
math
ten over three x 5 =four over 3 x =7 algebra x=50/9 divide it like this 50 divided by 9
asked by joann 
English
I have to write a paper on the Scarlet Letter and it says I have to list all symbols that the author uses, also including the literal meaning, the symbolic meaning, and give an example from the novel. I know a good many from reading the book, but I don't
asked by Anonymous 
Math(Please Help)
* I don't get this problem at all... 4(x+2) 6x^2  *  5x 2x what are the directions? in the denominator, you have 10x^2 in the numerator, you have 24x^2(x+2) the x^2 divides out, and the numbers can be reduced. that would be (12(x+2))/(5) the
asked by Margie 
prejudice
Describe other measurements sociologists use to calculate prejudice. Here are some sites which may give you some ideas. http://www.ajph.org/cgi/content/full/93/2/262 http://jca.sagepub.com/cgi/content/abstract/10/3/343
asked by tiffany 
Please Check (Math2)
a^29 a^23a  *  a^2 a^2+a12 *I got: 33a/4 I don't think so. factor the a^29, and the second numerator to a(a3) Then the denominator factored is a^2*(a+4)(a3) So wait... don't I have to first have to take out the repeated thingys.? I don't
asked by Margie 
Math Question
( (0.1095 mmol/mL)(25 mL)  (0.1482 mmol/mL)(29.04 mL) ) / ( (1000 mg/g)(1.3010 g) ) what is the answer i got .0012 but its wrong Something is wrong with what you are trying to calculate. The first term has dimensions of millimoles and the second term has
asked by chris 
Lisa
2/3 to the second power divided by 4/5 divided by 1/3. Can you help me solve this? Thank you! (2/3)^2/(1/3)^1= (2/3)^2 * 3^1 = 2^2 * 3/9= 4/3 check that.
asked by Math Help Please 
Check + biology
The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
asked by Anonymous 
Business Law
You own a radio station. Your DJ picked up the unedited version of Ludacrisâ€™ new CD that contained some profanity. He played it during the morning version of his radio program. You are fined $500,000. Can you sue? What court? What issues?
asked by Bob 
Business law
You own a business that is located in the mall. The mall requires that you open 7 days a week, from 10:00 a.m. to 7:00 p.m. Your religion prohibits you from working on Sundays. The mall management issues an eviction notice for your business. Can you sue?
asked by Bob 
HELP ME
What would be the answer to 8960(45)= 52.02(96) This makes no sense. HUH?
asked by Crystal 
science
how do you magnetize something made of iron cobalt and nickel
asked by brian 
Intro Accounting  HELP
3. Dr. Colin Modella, an music history professor at the University of Arizona, supplements her income by selling cappuccino on campus to students and other faculty members when she is not teaching, doing research, creating curriculum, or attending
asked by Jojo 
Math(Please Check Again)
25x^2 6x^2  *  12 2x *I got: 5x/2 No. Try again. Can you tell me what I did wrong please.? You have to factor the numerator, you should have two factors for the first, and one for the second. In the denominator, you will have 24 x. I think
asked by Margie 
math
hundreds thousands millions That would be like turning BACK the hour hand of a clock by 3 hours. what is 90 degrees counter clock wise when rotating a figure
asked by Anonymous 
math
( (0.1095 mmol/mL)(25 mL)  (0.1482 mmol/mL)(29.04 mL) ) / ( (1000 mg/g)(1.3010 g) ) what is the answer i got .0012 but its wrong
asked by chris 
math
((0.1095)(25)  (0.1482)(29.04)) / ((1000)(1.3010)) i keep getting .0012 but it is wrong what do you guys get I haven't figured it out yet it is .0012. i am one hundred percent sure. maybe the answer key is wrong.
asked by chris 
math
I canot figure out how to the perubian studies 5over6 divided by 1 and 1 half
asked by Crystal 
science
i really need to know the table for science like, H2O and the rest to know what they mean be more specific what does C6H12O6+6C02+6H2O?
asked by nancy delgado 
chemistry,
the question is, if concentrations do not change why is the equilibrium state considered dynamic? First of all I don't understand what makes a state dynamic? The reaction is not stopped, it is going forward, and reverse, at the same rate. Molecules are
asked by amy 
Math(PLease Check)
m2 m+5  *  m5 m2 *I got : m+5  m5 you're absolutely correct. the m2's cancel out and you're left with m+5/m5 thank you hopefully you can help me with the others...
asked by Margie 
Biochemistry
What kind of isomers can amino acids form? Which isomer is present in most living organisms?
asked by Raj 
calculus
hi, just wondering on how i should approach differentiating: loge1/(3x)^5 can i differentiate it as loge(3x)^5? sorry i meant to write (3x)^5 Hmmmm. You are haveing a brain seizure. Watch this: Ln x^a=  ln x^a= a ln x Amazing. So loge1/(3x)^5= 5
asked by elle 
Tina
How do I solve this? (2/3^2 divided by 4/5 divided by 1/3? I keep trying and anm coming up with the answer 25/4. Can someone check and see if I am wrong or right, and see what the answer is. Thanks! sorry 2/3^ divided by 4/5 divided by 1/3 2/3 squared is
asked by Math Help Please 
U.S. HISTORY DEFINISIONS
these aren't in my book and i have a term quiz tomorrow farm bloc wickersham commission agricultural marketing act securities hooverStimson doctrine Hawleysmoot tariff Clark Memorandum I think you can just use a dictionary. Try searching in google
asked by INEEDHELP!!!