Saturday

October 25, 2014

October 25, 2014

Total # Posts: 930

**College Physics**

A turntable reaches an angular speed of 33.3 rpm, in 2.0 s, starting from rest. (a) Assuming the angular acceleration is constant, what is its magnitude? (b) How many revolutions does the turntable make during this time interval?
*September 25, 2009*

**College Physics**

A wheel's uniform angular acceleration is constant. Initially its angular velocity is zero. During the first 1.0 s time interval, it rotates through an angle of 86.0°. a) Through what angle does it rotate during the next 1.0 s time interval? (b) Through what angle ...
*September 25, 2009*

**College Physics**

A pendulum is 0.50 m long and the bob has a mass of 1.0 kg. At the bottom of its swing, the bob's speed is 1.6 m/s. What is the tension in the string at the bottom of the swing?
*September 25, 2009*

**College Physics**

A spy satellite is in circular orbit around Earth. It makes one revolution in 5.99 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?
*September 25, 2009*

**US History**

that isn't helpful at all sra!
*September 24, 2009*

**Physics**

A bobcat weighing 74.5 N jumps out of a tree. (Assume that "up" is the positive direction.) (b) What is the drag force on the bobcat when it falls at 70% of its terminal velocity? (d) What is the acceleration when it falls at 70% of its terminal velocity?
*September 23, 2009*

**Physics**

A paratrooper with a fully loaded pack has a mass of 119 kg. The force due to air resistance on him when falling with an unopened parachute has magnitude FD = bv^2 where b = 0.13 (N·s^2)/m^2. The force of air resistance acting on him is 516N up. (b) What is his ...
*September 23, 2009*

**Physics**

A car is speeding up and has an instantaneous speed of 14.2 m/s when a stopwatch reads 9.1 s. It has a constant acceleration of 1.8 m/s^2. (a) What change in speed occurs between t = 9.1 s and t = 12.6 s? (b) What is the speed when the stopwatch reads 12.6 s?
*September 23, 2009*

**Physics**

Two blocks are connected by a lightweight, flexible cord that passes over a frictionless pulley. If m1 is 3.4 kg and m2 is 9.1 kg, and block 2 is initially at rest 130 cm above the floor, how long does it take block 2 to reach the floor?
*September 23, 2009*

**Pre-Algebra**

I know the answers but I don't know the equations to match it to plz help 1. 33 5x+3 2. -26 9x+10 (that's all I know) 3. 40 4. -69 5.-16 6.12 7.-82 8.33 9.72 10.-43 11.99 12.-73 13.76 14.181
*September 15, 2009*

**5th grade**

Make a product to find each product of 2 x 2500
*September 9, 2009*

**Pre Calc**

Solve the equation on the interval [0,2pi). cos2x=(*2/2)
*August 27, 2009*

**Pre Calc**

Solve the equation on the interval [0,2pi). cos2x=(*2/2)
*August 26, 2009*

**Pre Calc**

How did you get n?
*August 26, 2009*

**Pre Calc**

Use the Leading Coefficient Test to determine the end behavior of the polynomial function. f(x)=-3x^3-3x^2-2x+1 ?????????????
*August 26, 2009*

**science**

how do you figure mass, volume & density using D=m/v v=m/d mass =dxv m
*August 25, 2009*

**calculus**

factor the polynomials 3n(squared)+8n=4 8x(to the third) - 6x(squared) - 27x - 54
*August 25, 2009*

**geometry**

2 times square root of 27 minus square root of 18 plus 3 times squareroot of 27=
*August 13, 2009*

**Math Functions**

If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find: (f+g)(x)
*July 27, 2009*

**Grade 7**

What are some facts that could be used to prove the history of "the ameicans won the war of 1812 I have looked and looked and looked and I can't really find anything. Could someone please help by giving me some facts or places that I can look really confused, thanks
*June 30, 2009*

**Social**

Should powerful nations interfere in a civil war that is occuring in another nation?
*June 10, 2009*

**cooking**

go to cookinginthekitchen and search Mama Laura's super fondant. I've tried it so many times, even at my daughters wedding. There are no bad comments either
*May 23, 2009*

**5th grade**

he wanted no slavery
*May 21, 2009*

**Quantum Mechanics**

i think you must be in my pchem class.. i solved this problem differently from above: I used the same method as example 7-2 and homework problem 7-9 in McQuarrie. I assumed that since the nucleus consists of just one proton, the radius of the nucleus is the radius of a proton ...
*April 28, 2009*

**Technical Writing**

Using presentation software, when do you use certain layouts? I am looking for the "why" and "when" here, not the "how to." I am mainly concerned about: -two-column text -content over text -text over content -default title and text Thank you, maigan
*April 13, 2009*

**Accounting**

What circumstances would moral standards approach to stakeholder impact analysis be most useful?
*April 9, 2009*

**math**

For Jerome the chances are 3/8 (if all of the runners had equal ability). For Morgan, after Jerome had gotten first (let's say he did) then his chances would be 2/7. And for Bly his chances are 1/6. Now you have got to multiply them all together. (3/8) (2/6) (1/6) = 1/56 i...
*April 9, 2009*

**2nd grade math**

thats a stupid question-- and im a first grade teacher,... wow
*April 2, 2009*

**biology**

what is the stages of mitosis?
*March 30, 2009*

**health**

In which condition is the patient most likely to hemorrhage? A. Thrombocytopenia B. Polycythemia C. Thalassemia D. Erythroblastosis fetalis I think the answer is (A)
*March 26, 2009*

**Language**

One particularly nice afternoon, several students were trapped in a classroom listening to a monotonous lecture by a professor the local college. After over two hours of mind-numbing discourse, one student stood up in despair and noted that she had a book with every word of ...
*March 2, 2009*

**science**

What is the journey of a cheese sandwich-digestion?
*February 28, 2009*

**10th grade Geometry**

Lorenzo's model train is 1/87 the size of the original train. He measures the engine of the model train and finds that it is 2.5 inches tall. What is the height of the real engine to the nearest foot?
*February 26, 2009*

**college algebra word problem**

A goldsmith has two alloys that are different purities of gold. The first is 3/4 pure and the second is 5/12 pure. How many ounces of each should be melted and mixed in order to obtain a 6 oz mixture that is 2/3 pure gold?
*February 25, 2009*

**college algebra**

Solve the problem. A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
*February 25, 2009*

**Chemistry**

For each of the following unbalanced equations, suppose that exactly 15.0g of each reactant is taken. Determine which reactant is limiting, and calculate what mass of each product is expected. assume the limiting reactant is completely consumed. a)Al+HCL->AlCl3+H2 b)NaOH+...
*February 16, 2009*

**math**

the heaviest human of all time weighed 486 kg this is 12 kg less than 6 times juans weight. how much does juan weigh?
*February 5, 2009*

**math**

the width of a photograph is 4 cm more than 3/10 of the length. if the widthis 13 cm find the length
*February 5, 2009*

**math**

the price of a t.v. set on sale is $360. this is 2/3 of the regular price. find the regular price.
*February 5, 2009*

**math**

the length of a rectangular field is 24 meters. this is 3 meters less than twice the width. find the width?
*February 5, 2009*

**More French**

Directions: Answer the following questions about myself and my family. 1. Votre maison ou votre appartement est grand(e) ou petit(e) Answer: Notre maison est grande. 2. Vous avez une voiture? Quelle est la marque de votre voiture? Answer: Oui, notre une voiture. La marque de ...
*January 23, 2009*

**More french**

Directions: Complete the sentences, choosing the correct possessive adjective. 1. (Mon, Ma, Mes) Tu as ------- livre de maths. Answer: Mon 2. (Notre, Nos) C'est ------- maison. Answer: Notre 3. (Leur, Leurs) Voila -------- enfant. Answer: Leur 4. (Ton, Ta, Tes) Ou est...
*January 23, 2009*

**More french**

Rewrite these sentences correctly such as Votre=Notre and Vos=Nos 1 Votre ecole est grande ou petite? Notre ecole est une grande. 2. Votre ecole est pres ou loin de votre maison? Notre ecole est un loin de maison. 3. Votre ecole a combien d' eleves? Notre ecole a sept ...
*January 23, 2009*

**I have Windows and a pc**

Could you expain the accent marks and how to use them
*January 23, 2009*

**Ms. Sue**

The rest our right?
*January 23, 2009*

**correction**

for #2 it's not sans it's dans sorry
*January 23, 2009*

**French**

Fill in the blank with either leur or leurs. Fabien et Christophe sont freres. Ils sont sans -----(leur) chambre. Ils ecoutent -----(leurs) disques. ----(Leur) collection de CD est surtout de la techno. -----(leurs) amies, Catherine et Emilie, aiment aussi la techno. FAbien et...
*January 23, 2009*

**GURUBLUE I NEED U**

how can i explain the other question that you wanted to give me a little further explanation. God bless u
*January 22, 2009*

**The road not taken last question**

for my last question How do you think the different roads in these peoms might symbolize or reperensent the situations of the two speakers? Answer: The roads represent the situations of the two speakers becasue they made tough choices when they traveled the road of life. The ...
*January 22, 2009*

**GURUBLUE**

how would you explain it?
*January 22, 2009*

**Check my other the road not taken questions**

1. Where do frosts roads diverge? Frosts rads diverged in a yellow wood. 2. Which road did the speaker in Frosts poem choose? The speaker took the road that was less traveled upon. 3. In frosts poem, the speaker chooses between two different paths in the wood. What ...
*January 22, 2009*

**The road not taken**

The poem of the road not taken could you help me with this one question? I tried to ask my mom but she didn't know either. How do you think the different roads in these poems might symbolize or represent the situations of the two speakers?
*January 22, 2009*

**Math-Trig**

solve for a: V=4/3pia^2b
*January 11, 2009*

**re-gurublue-geography**

thanks for finding those sites they are very useful.
*January 10, 2009*

**geography**

i need to make a fact file about the river Tees. does anyone know any good web sites i could use. i have found some sites but have not found many facts. thanks for the help.
*January 10, 2009*

**geography**

i need to make a fact file about the river tees.
*January 10, 2009*

**Physics**

Im sorry, I forgot... Its a vertical circle.
*January 4, 2009*

**Physics**

The question just says "the slowest speed at which you can spin it to keep it in a fixed path"
*January 4, 2009*

**Physics**

A yo-yo has a string length of 0.200 m What is the slowest speed at which you can spin it to keep it in a fixed path? What is this, and how do you find it? Thanks
*January 4, 2009*

**Physics**

A yo-yo has a string length of 0.200 m. Its mass = 1.5 kg What is the slowest speed at which you can spin it to keep it in a fixed path? Help Please?
*January 4, 2009*

**Physics**

How do you find the coefficient of friction of an object sliding down an inclined plane. Given: m = 10 kg length of plane = 5.0 m Height of plane = 2.5 m
*January 4, 2009*

**algebra**

17-p = 4+3p
*December 17, 2008*

**earth**

what is "lithified gravel"?
*December 9, 2008*

**calculus**

Let f and g be differentiable everywhere. If g is the inverse of f and g(-2)=5 and f'(5)=-1/2, then g'(2)=? PLEASE HELP! Thanks
*December 2, 2008*

**Calculus**

How do you integrate square root of (4-x^2) ? Pleasee help!
*December 2, 2008*

**5th grade math**

how many seconds is two fifths of a minute, two fifths of a minute is what percent of a minute
*November 24, 2008*

**English**

wat is a pronoun and noun
*November 24, 2008*

**English**

Did I identify the gerund direct object and the main verb correctly? We enjoy shopping as a group. gerund direct object - shopping main verb - enjoy
*November 24, 2008*

**Pig Skin**

flordia vs. georgea.
*November 17, 2008*

**English**

Are these correct? The beginning of the sentences before "the skiers" are they still considered part of the noun phrase, or are they considered a prepositional phrase, or something different? I believe they are part of the noun phrase, but not sure. The part in the...
*November 16, 2008*

**chemistry**

Which of the following has the central atom with the lowest oxidation number? a. CO32- b. NO3- c. ClO2- d. SO42- e. PO43-
*October 31, 2008*

**chemistry**

The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the coefficient for H+. MnO4-(aq) + HNO2(aq) ---> Mn2+(aq) + NO3-(aq)
*October 31, 2008*

**chemistry**

Ammonia acts as a base in aqueous solution; Kb is equal to 1.8 x 10-5. What is the Ka for the ammonium ion NH4+ in aqueous solution?
*October 31, 2008*

**world history**

Where could I find resourses on information relating the intellectual transformations of the axial age to the political developments
*October 22, 2008*

**English**

just tell what the peragraph is about... like in a few sentences...
*October 20, 2008*

**Science**

Why are water storage tanks usually built on the top of hills?
*October 20, 2008*

**algebra**

you take your x value - 2 and then you will get your y value ok lets say that x=32... y=30 cause you take y=32(x)- 2 = 30 y=30
*October 20, 2008*

**physics**

i know but i have the KE and i have the mass but i have to find the speed and i dont know how to do that with the power of 2 and the 1/2
*October 20, 2008*

**physics**

Missy Diwater, the former platform diver for the Ringling Brother's Circus had a kinetic energy of 15000 J just prior to hitting the bucket of what. If Missy's mass is 50 kg, then what is her speed?
*October 20, 2008*

**Math**

linear
*October 20, 2008*

**Math- brain teasers!**

13 cats
*October 19, 2008*

**4th grade Language Arts**

I need to know an example of a metaphor. We need to make a metaphor out of this sentence "Pablo sniffed the air."
*October 14, 2008*

**Math**

Thank you!
*October 12, 2008*

**Math**

How would you go about solving this problem? A 2000 L tank containing 550 L of water is being filled with water at the rate of 75 L per minute from a full 1600 L tank. How long will it be before the two tanks have the same amount of water?
*October 12, 2008*

**5th grade math**

i need help lol im in collge and helpingout 5th grade ll help me please?
*October 10, 2008*

**Science**

i ment there
*October 9, 2008*

**Science**

ya if you go to google and type the elements names it should be good
*October 9, 2008*

**Algebra**

p=2a+2b solve for b b=p-2a/2b
*September 30, 2008*

**English**

Hi I am a high school student and I am dual enrolled in college. I have an essay due for my composition class in college and I mention Wet n Wild in my paper. I wanted to know if Wet n Wild should be capitalized since it is a place name or if it should be left just as I have ...
*September 10, 2008*

**9th grade Eng pre ap**

This question deals with the the 4 verb tenses By the climax, thr central character in the novel accepted his responsibility HELP!
*September 8, 2008*

**rounding decimals**

what do u do when u have to round the demials with a nine? Thanks!Bye!
*September 7, 2008*

**English 2 honors**

can someone please give me a website to go to, to find these stems please,or can you please tell me the meanings for these stems: per- gamy gyn/gyno mania path phobia psych soph annus cap/capit cor/cord homo manu milli ped/pod sect -ary -ence/-ance -some if you could answer ...
*September 3, 2008*

**12th grade**

how do you solve limits that have infinities!?
*September 2, 2008*

**Precalculus**

The problem is: Rewrite f(x) = abs(x-2) + [2 * abs(x+5)] I don't even know where to start. PLEASE HELP!!!!!!
*August 15, 2008*

**Precalculus**

Find the inverse function of f(x) = 1.5 ln(x-2) + 4 Please help! I don't even know where to start ):
*August 6, 2008*

**psychology**

Who where the famous people that Maslow said had reached self actualisation?
*July 4, 2008*

**history**

It is very unprofessional for you to call us "idiots". I come to this site often so find referral links for further research when the text does not clarify on a specific topic. I would be happy to forward the week text for you to review, and then the name "idiot...
*July 2, 2008*

**Math**

Find all x, -4pi < x < 6pi, such that [cos(x/3)]^4 + [sin(x/3)]^4 = 1 PLEASEEE HELPP! :(
*May 27, 2008*

**social**

There are a few different meanings... 1) Holding more than one position at the same time. 2) It can be tied to religious/cultural diversity as well.
*May 27, 2008*

**Math-Optimization**

The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200 meters cubed. Find the most efficient way to built this box.
*May 27, 2008*

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