Friday
August 28, 2015

Posts by Bill


Total # Posts: 748

physics
Two persons start at the same place and walk around a circular lake in opposite directions. One has an angular speed of (1.40 x 10^-3) rad/sec. The other has an angular speed of (3.70 x 10^-3) rad/sec. How long (how much time) will it be before they meet?
October 12, 2009

Physics
A stone, initially at rest, is dropped from the top of a building. On its way down, it passes a window that is 2.52m tall. It takes 0.134 seconds to pass the window. From how far above the top of the window was the stone dropped?
October 12, 2009

amer gov
Choose the poll results for your state. Research and take notes on the polls and the data provided. Then, write down ten results from the polls that indicate something interesting about the relative strength of the parties.
October 11, 2009

Physics
A disc of radius 50.0cm is rotating at 120 rpm, and its angular acceleration is 3.00 rad/s^2. Find the magnitudes of the velocity, v, and tangential acceleration, a, of its outer edge.
October 9, 2009

Math
Solve this system of simultaneous equations in order to express V in terms of Vo, x, and a (but not t). x=Vot+(1/2)at^2 v=Vo+at
October 5, 2009

Math
Solve for t: y=vt+(1/2)gt^2
October 5, 2009

math/physics
A child is swinging at the end of a 3m rope. When the rope makes a 30 degree angle with the vertical, how high is she above her path's lowest point?
October 5, 2009

math (challenging)
It is possible to use a guess and check method to acquire this result. Not typically associated with math past algebra 1, but a very useful method in finding a result.
September 30, 2009

History
What are the two major functions of the Office of Management and Budget?
September 28, 2009

algebra
847
September 20, 2009

Math thanks, Reiny
John can run six miles per hour and Bill can run four miles per hour. If they run in opposite directions for two hours, then how far apart will they be?
September 19, 2009

maths
using the numbers 3,5, 7, only once how do you get the answer 61 ?
September 7, 2009

physics
The downward force from the weight of the drop is mg, where m is the mass of the drop and g is the acceleration due to gravity. This must be balanced by the upward force from the field. Let's say that the total charge on the drop is Q Coulombs, then 11000Q is the force ...
September 3, 2009

chemistry
If a graduated cylinder wasn't calicrated correctly, how would that affect the results of a measurment?
September 1, 2009

chemistry
hi can someone please help me I need a detailed scientific article about ozone depletion thank you
August 11, 2009

math...number sequence
y=2x-2 y=next number x=lastest number
June 29, 2009

math
Xavier worked 10 hours on Monday and 15 hours on Wednesday. His total pay was $280.00. What is his rate per hour?
June 15, 2009

American Gov
Choose the poll results for your state. Research and take notes on the polls and the data provided. Then, write down ten results from the polls that indicate something interesting about the relative strength of the parties.
May 19, 2009

Grammar
a d c
May 8, 2009

chemistry
STEP 1: STOICHIOMETRY to find moles C2H3O2- formed and HC2H3O2 remaining. All NaOH was used up, so that's how many moles reacted with the HC2H3O2 and also how many moles C2H3O2- formed. STEP 2: EQUILIBRIUM of HC2H3O2 with H+ and C2H3O2-. Change the moles of HC2H3O2 and ...
April 29, 2009

Chemistry
By the way, PV/T = PV/T is just another way of expressing PV=nRT. PV/T = PV/T just equates an initial state to a final state, showing that the overall proportions will remain the same even after some variables have changed. The amount of gas (n) is assumed to be constant, ...
April 29, 2009

Chemistry
This problem deals with Pressure, Volume, and Temperature. Sounds like a PV/T=PV/T problem. The reason you don't know pressure is - That's what you're solving for! The thing you're solving for must always be included in the equation that you use to solve for it.
April 29, 2009

Science
compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
April 29, 2009

math
Roots are considered exponents. Example: x^(1/2) = sqrt(x)
April 29, 2009

math
Mnemonic: "Please Excuse My Dear Aunt Sally"
April 29, 2009

math
ORDER OF OPERATIONS: P.E.M.D.A.S. Parenthesis Exponents Multiplication Division Addition Subtraction
April 29, 2009

Alg 2/trig
Q2 Q1 Q3 Q4 S.....A T.....C "All Students Take Calculus" A = All things in Q1 are positive S = Sine (and cosecant) are positive in Q2 [since it's above the x-axis] T = Tangent (and cotangent) are positive in Q3 [since it's sin/cos and both sin and cos are ...
April 29, 2009

middle school math
Is this a right triangle? If so, the other angle would be 55 since 35+55+90 = 180, which is always the sum of the angles in a triangle.
April 29, 2009

math
If it were y=3/2x-6, the slope would be 3/2. Without the x, it would just be a horizontal line at y=-4.5
April 29, 2009

math
There is no slope because there is no x.
April 29, 2009

Math
ADDING AND SUBTRACTING: Need a common denominator DIVIDING: Multiply the numerator fraction by the inverse of the denominator fraction
April 29, 2009

5th grade
what diffrent things are found in the front of a book??
April 28, 2009

Law
Which one of the following is an example of a leading question? A. What time did you administer the medication? B. How long have you worked at West End Hospital? C. Did you see Dr. Martin in the patient’s room on the morning in question? D. Isn’t it true that you ...
April 18, 2009

History of English Economics
I'm trying to figure out what Gregory King's "A Scheme of the Income and Expenses of the Several Families of England" (1688) tells us about the time period. I cannot make sense of the number and was wondering if someone could help me by explaining what this ...
April 15, 2009

English History
I've tried that one already unfortunately...haha...none of them really explain what it is telling the reader...I'm just trying to make sense of what the table means...I'm sorry for being so picky...I'm just flippin out because I can't figure the stupid ...
April 14, 2009

English History
Ok so I need to explain in class tomorrow for my History of England Class in college Gregory King's "A Scheme of the Income and Expenses of the Several Families of England." Can anyone explain the significance of this and what all those numbers tell us about ...
April 14, 2009

History
Well a lot of the problems with war are centered around religion...like israel vs. palistine (Jews vs. Muslims) and Israel vs. Iran (once again Jews vs. Muslims) And also forms of govt...Ex. Capitalism/democracy vs. Totalitarian govt. (fascism/communism) It seems to me that ...
April 14, 2009

PHYSICS
(#1) If two pith balls - one which is neutral and another which has a charge of -9.6 uC (micro-Coulombs) - are touched together, how many extra electrons will each ball have? (#2) Charge q1 = 6 uC is at the origin, charge q2 = 7 uC is at y = 2m, x = 0, charge q3 = 1.5 uC is at...
April 8, 2009

Games
Please help unscramble ssppoy
April 1, 2009

macroeconomics
Suppose you were borrowing money to buy a car. Which of these situations would you prefer:The interest rate on your car loan is 20 percent and the inflation rate is 19 percent or the interest rate on your car loan is 5 percent and the inflation rate is 2 percent? explain
March 18, 2009

math
Ron bought goods from shelly katz. On may 8, shelly gave ron a time extension on his bill by accepting a $3000, 8%, 180 day note. On august 16, shelly discounted the note at Roseville bank at 9% what proceeds does shelly rerceive?
March 15, 2009

math
on may 12, Scott accepted an $8000, 12%, 90 day note for a time extension of a bill for goods bought by ron. On june 12, scott discounted the note at able bank at 10% What proceeds does scott receive
March 15, 2009

english
hello:)For next week I can choose a text(ca.10 pages)and I need to think of some assignments my friends students can do with the text.It has to last for 45 - 60 minutes.So, my job is only to stand in front of the class and give them this text and say what they have to do with ...
March 12, 2009

ap calculus
Oh...thanks Reiny, I threw it into my calculator wrong (forgot the parenthesis at teh beginning of the function)
March 10, 2009

ap calculus
Find the volume if the region enclosing y=1+ sqrerootof x, x=0, y=0, and x=9 is rotated about the x axis. I used the disk method and came up with the integral: pi integral (from 0-9) of (1+sqrerootx)^2 dx, but my answer was wrong.
March 10, 2009

social studies
The Hawaiian queen was tossed in jail at the time by the self proclaimed governor.
March 10, 2009

english
couldnt find one
March 5, 2009

english
Can someone give me an example of a metaphor
March 5, 2009

physics
im still confused
February 10, 2009

physics
hi can someone please help me with this question. The SST Concorde flies at a speed of Mach 1.5. What is the half-angle of the conical shock wave formed by the Concorde at this speed?
February 10, 2009

history
hi i need information to write an essay on the united states policy towards indians in the years following the civil war
February 8, 2009

english
ok I am sorry but I can't even find a quote that works from civil disobedience to help me
February 8, 2009

english
why would he have viewed the iraq war as such. I need to use exampels from his essay civil disobedience
February 8, 2009

english
how would henry david thoreau react to the issues of abortion and the iraq war please help me thank you
February 8, 2009

Algebra 2
Okay I have : a ball is thrown with an initial velocity of 40 ft/second from a height of 4 feet. h(t)=-16t+40t+4 a) what is the highest point reached by the ball? b) at what time will the ball reach the highest point?
February 4, 2009

Personal Finance
Bernie and Pam Britten are a young married couple beginning careers and establishing a household. They will each make about $50,000 next year and will have accumulated about $40,000 to invest. They now rent an apartment but are considering purchasing a condominium for $100,000...
January 15, 2009

us history
Hi i need help explaining how one of the main reasons behind early united states imperialism is spreading democracy. I need a lot of information so I need a lot of help.
January 13, 2009

Calculus
find the integral of x^2 - sec3xtan3x
January 12, 2009

math
Range=12-3=9 Mean=(12+6+7+3+10)/5=7.6 Mean Deviation=[(12-7.6)+(7.6-6)+(7.6-7)+(7.6-3)+(10-7.6)]/5 = 13.6/5=2.72 Standard Deviation=sqrt=[(12-7.6)^2(7.6-6)^2+(7.6-7)^2+(7.6-3)^2+(10-7.6)^2]/(5-1)=sqrt[19.36+2.56+0.36+21.16+ 5.76]/4=sqrt[12.3]=3.51
January 9, 2009

calculus ab
What is the integral of sin4xcos4x dx?
January 8, 2009

physics
race car travels on racetrack at 38m/s and slowa at a constant rate of 20m/s over 10s how far does it move during this time
January 3, 2009

bio
I did a DNA fingerprinting lab and I can't understand some of the questions. 1) Different restriction enzymes are isolated from different types of bacteria. What advantage do you think bacteria gain by having restriction enzymes? 2)In your lab, you ran your DNA samples on ...
December 21, 2008

english
are there any others
December 21, 2008

english
what are some short stories or books about hostage situations
December 21, 2008

physics
HI. Can someone please help me with this question. Two identical cars hit each other and lock bumpers. In each of the following cases, what are the speeds of the cars immediately after coupling bumpers? (a) A car moving with a speed of 90 km/h approaches a stationary car; (b) ...
December 18, 2008

history
sorry but none of those websites really give any achievements
December 15, 2008

history
what werer some achievements of post civil war reconstruction
December 15, 2008

biology
it has recently been shown that UGA specifies tryptophan and CUA codes for threonine in the mitochondrial translation system of yeasts and hamsters. A. what do these codons usually specifiy B. Comment on the significane of these minor departures from the code Can someone ...
December 9, 2008

spelling paragraph
I need to write a paragraph using the following words, acculturation,affable, aggrandize, approbation, callow, erudite, expedite, hackneyed, innuendo, inscrutable, intercede, peculate, querulous, remonstrate, repudiate, resilient, sedulous, tenuous Could you help me with this?
December 7, 2008

social studies
really but how should it be amended
November 17, 2008

social studies
i believe that he believed that the first amendmenet should be changed but i don't which parts of the amendment
November 17, 2008

social studies
IN what way did charles G Finney believe the first amendment clasue about the free practice of religion be amended thank you
November 17, 2008

history
thank you for that. I can write an essay but i just need a stance. Can you please. I am begging you can you give me the stance
November 17, 2008

history
yeah i don't know what to write for 5 pages but I also don't know which side to prove
November 17, 2008

history
sorry but can you please just answer it
November 17, 2008

history
Hi. I know i asked this already but can someone please please just give me a straight answer. I have to write a 5 page paper on wheter or not charles G. Finney believed that the first amendment's clause about the free practice of religion be amended in any way Thank you ...
November 17, 2008

history
i don't know but can you tell me wheter he advocated change or not
November 17, 2008

history
so he did not advocate change. I am sorry but i have to write 5 pages on this. All i need to was whether he advocated change or not
November 17, 2008

history
i can't decide because all he had to do with was revivals. Please please help me
November 17, 2008

history
so did charles finney believe the first amendent should be changed or not
November 17, 2008

history
hi. I have to write a 5 page paper on wheter or not charles G. Finney believed that the first amendment's clause about the free practice of religion be amended in any way
November 17, 2008

english
great ideas:)but i don't think i can find miniature globes..:(i am just so out of ideas..i am thinking about a game which i can use and which has to be connected with travelling...but i am so tired already
November 17, 2008

english
hi everybody.I am going to be a teacher tomorrow and my topic is travelling.Anyway my question is:i would like to give at the end of the class a prise to the group who has done the best in class.But what to give?any suggestions?Some more ideas about games about travelling?...
November 17, 2008

history
hi. I need to write an 8 page paper about charles finney that is due monday but the only thing online i can find is wikipedia. Can someone please help me.
November 15, 2008

english-german
Thank you:)I am from Croatia so children speak croatian but i am studying to be a teacher and have to teach some children in german.It is not important which language it is i just need some games about TRAVELLING..this is my topic.I've made a roleplay but i need something ...
November 15, 2008

english-german
hello! i need to give a thirty minutes lectore to children(age 11-12).My topic is travelling.What can i do?Do you have any exanples of any games i can make to make it interesting?They can also act and learn some vocabulary but mostly they need to do something.Any suggestions?...
November 15, 2008

bio
In humans, the ABO blood type is under the control of autosomal multiple alleles. Red-green color blindness is a recessive X-linked trait. If two parents who are both type A and have normal vision produce a son who is color-blind and type O, what is the probability that their ...
November 13, 2008

calculus
A plane is flying west at 500 ft/sec at an altitude of 4000 ft. The plane is tracked by a searchlight on the ground. If the light is to be trained on the plane, find the change in the angle of elevation of the searchlight at horizontal distance of 2000 ft.
November 12, 2008

english help please
no the narrator is the main charactor the narrator is the person ordered to kill gregory
November 11, 2008

english help please
in the short story "gregory" by panos ioannides why does the author choose to use the title Gregory can someone please help me with the question thank you
November 11, 2008

History
Thank you Writeacher.
November 10, 2008

History
Aside from being the first President of America, what has George Washington done to contribute to the founding of the early development of the U.S? Thank you for helping.
November 10, 2008

history
no i just honestly can't decide but I guess it is B because the article says he was blamed for the panic
November 9, 2008

history
yeah because didn't jackson cause the panic not van buren. Wouldn't that make the answer B
November 9, 2008

history
i have already been there but i can't decide between a or b
November 9, 2008

history
can someone please help me 1. President Van buren is best remembered for a. causing a panic b. establishing the independent treasury system I think it is A but didn’t he not cause a panic
November 9, 2008

history
so is the answer d
November 9, 2008

history
i don't know what is it
November 9, 2008

history
wait but it says by 1828
November 9, 2008

history
why is it not a
November 9, 2008

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