Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 1,473

**Physics **

On a planet that has no atmosphere, a rocket 14.2 m tall is resting on its launch pad. Freefall acceleration on the planet is 4.45 m/s2. A ball is dropped from the top of the rocket with zero initial velocity. (a) How long does it take to reach the launch pad? (b) What is the ...

**Physics **

The United States and South Korean soccer teams are playing in the first round of the World Cup. An American kicks the ball, giving it an initial velocity of 4.3 m/s. The ball rolls a distance of 5.0 m and is then intercepted by a South Korean player. If the ball accelerates a...

**Physics **

A particle's initial velocity is −24.0 m/s. Its final velocity, 3.00 seconds later, is −14.0 m/s. What was its average acceleration?

**CHEMISTRY**

A student needed to standardize a solution of NaOH which was approximately 0.125 M. The student carefully prepared the titration setup, but after 25 mL of NaOH was added, what was the pH of solution if initially flask contains 25 mL of 0.250 M HCl solution?

**philo**

<22{5[2(02)]}> Lawyer: My client, television commentator Jonas Cassell, was fired by the network that employed him for criticizing one of the network’s major sponsors. However, Cassell’s comments were said off the record at a private party, and only became publ...

**geometry**

In the triangle ABC, angle a=46 degrees and angle B=83 degrees. How large is the exterior angle at C?

**high school**

How many revolutions are made by a 28inch bicycle wheel min over one mile

**physics**

A water balloon is dropped from the top of a building. Assume the balloon does not break when it strikes the ground. If the water balloon falls a distance of 21m, what is the maximum temperature rise of the water balloon due to it being dropped?

**Calculus Ab **

A 26 foot step ladder is leaned up against a 30 foot building to reach a window near the top. The ladder is being pushed toward the building in a horizontal direction of 2 feet per second. 1. Find each related rate when the ladder is 10 feet away from the building. a. How fast...

**college**

I am stuck on Appendix B in psy/230 I am to find the five major concepts or events in three history periods 1930- 1950 I chose tit theory humanistic thoery cognitive theories learning theories and cognitiv/cosil leraning then 1950-1970 ther three factor model extraversion, mea...

**physics**

shouldn't acceleration be -9.8 and not +9.8 since it freefalling in the negative direction?

**math**

Diana takes 6 steps forward, then 2 steps back. If she repeats this pattern, how many steps will she be from where she started after 4 moves? After 5 moves?

**8th grade**

Math I am a fraction in simplest form. I am greater than1/3 and less than 1/2. The sum of all my digitsb is 8. the difference between my numerator and denominator is 7. What fraction am I?

**religion**

1)germany 2)catholic 3)pope

**algebra with pizazz pg 40 riddle**

THE ANSWER IS THEY FASCINATE!(FASTEN EIGHT)

**chemistry**

how many significant figures are there in this measure: 1.000 30

**Science**

Predict how many electrons will most likely be gained or lost by each of the following elements. how do i know if they will lose of gain them? here are the elements i need to know if they lose or gain them. Cs Al Se N

**Dont Be Stupid Be Smart**

All of u need to go away and stop being stupid buy books or if u have them read them to find the answers dont be stupid be smart!!!!!!

**Dont Be Stupid Be Smart**

All of u need to go away and stop being stupid buy books or if u have them read them to find the answers dont be stupid be smart!!!!!!

**french**

Im pretty sure this would be in you text book

**french**

it would be b because it is feminine

**Algebra**

do 1/9th of 90 degrees and then subtract that from 90 degrees

**geometry**

d is the midpoint of line CE, AE=49, AC=3x-46, BC=5, and BD=x. Find AD

**math**

The area of a circular trampoline is 112.07 square feet. What is the radius of the trampoline? Round to the nearest hundredth

**algebra **

the perimeter of a triangle is 53 inches.the second side is 3 inches longer that the first side the third side is 1.5 times the lenght of the second side. what is the lenght of each side

**Math**

If the wind is blowing from the west at 17 knots, what is its speed in miles per hour? In kilometers per hour?

**math**

ok is the answer x=6 for this problem which is (2)/(3)(x+6)=0?

**Algebra 2**

oh you got to change the +10 to a -10 and then that way the whole problem is the same

**Algebra 2**

16c-5c,and then you get 11c,and then you have to add 10d+3d which gives you 13d sop then your answer will be :11c-13d

**Algebra 2**

How do I simplify this: 16c-10d+3d-5c?

**math**

ok is the answer x=6 for this problem which is (2)/(3)(x+6)=0?

**math**

understand it now thank you very much :)

**math**

....wait how did you get 15-14 ?

**math**

ok let me see what is my answer after that thank you

**math**

because how did you get a 1-7?

**math**

idunnot understandd it this way

**math**

thank you ms.sue :)

**math**

need help with this problem someone please help meeeeeeeeeeeeeeeeeeee!!!!!!! 15-(2x+7)=14

**algebra 8th**

yeah so do you understand it now?

**algebra 8th**

you have to find a common denominator for both 2/5 7/8 2/5*---=19/40

**math**

WTF man

**math**

I need help on finding out the answer for this problem -2y-11=-12

**math**

PEMDAS works

**College Chemistry**

two acids solutions are mixed. One is 26% acid the other is 34% acid. Which one. Of the following concentrations cannot possibly be the concentration of the mixture? A. 36% B. 28% C. 30% D. 31%

**English**

I don't need help getting the question answered, just explained? help anybody? Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives. Wha...

**chemistry**

28.66ml(.7857 g/cm cubed)= meters

**Density**

oh yah. Thanks I got it:)

**Density**

so how would I make it ___(g)/ 1 cc?

**Density**

A new penny has a mass of 2.54 g and a volume of 0.354 cm3. Is the penny made of pure copper? what is its density? thanks:) Density is mass/volume but I dont know how to find it with g and cm3

**algebra**

78

**algebra**

366.17

**precalculus**

If A= 29 degrees and a= 4.6, find c.

**pre-calculus**

Find the designated term of the binomial expansion. 5th term of (4a+2b)^3 This is done without using Pascal's Triangle.

**geometry**

haha i have this question to! thanks jai!!!

**Chemistry**

4.00 grams of NaOH have been added to 2.0 liters of water. The molarity of this solution is ____M. the concentration of this solution is ______ grams of NaOH per liter of water

**Business Math**

My answer is 8,281net amount due

**Business Math**

My answer is 8,281net amount due

**science biology**

1. What is the name given to the type of organisms that can use Photosynthesis to produce glucose? In addition, provide three specific examples.

**Dressmaking**

I think answer's are. 1) D 2) A 3) D 4) A 5) C 6) not sure 7) D 8) A 9) B or D ( not sure) 10) B These are for # 04281600

**Literature**

Oh, but at least my answers are all correct = ] Thank You.

**Literature**

Please check the questions about the tragedy Romeo and Juliet below. 1.Friar Laurence could best be described as: A. a very mean person B. a happy person C. someone who likes to please people I would say C as he did whatever Romeo and Juliet asked him to do. 2. Romeo could be ...

**Literature**

Sorry for the Typo, should be "last," not "alst" in the question.

**Literature**

In Romeo and Juliet, who was the alst person to see Juliet alive? A. Romeo B. Friar Laurence C. the Nurse D. Lord Montague E. Paris I actually found this question confusing and tricky. First, I was thinking whether the question is asking who was the last person to see Juliet b...

**Literature**

In Romeo and Juliet, what is the relationship between Juliet and the Nurse best described as A. like mother and daughter B. like two enemies C. like two girlfriends Is choice A corect? Thank you for checking.

**Research study (THX MS SUE)**

I actually checked that site; however, I would have to pay for the article... thanks for your help anyway :-)... I tried to search for the study in the ERIC database but no luck!

**Research study (THX MS SUE)**

"...for every piece of candy American children eat, their British cohorts eat two.." Where could I get a copy of the above research? THX

**Obesity **

Thank you susan... however, I was looking for a research article that had an aim or hypothesis as well as an actual study... which in its totality was a useless study...

**Obesity **

I am trying to find a research article that examines the prevalence of obesity amoungst elementary school children. However, I have to find a research article that is not useful and provides limited research analysis. All the articles I have encountered thus far are very indep...

**algebra**

49a^4-112a^2b^2+64b^4

**math**

solve and grapgh 4-4x > 16 and 6x-1 > 11

**Counsmer Math**

Carlos Martin received a statement from his bank showing a balance of $56.75 as of March 15. His checkbook shows a balance of $87.37 as of March 20. The bank returned all the cancelled checks but two. One check was for $5.00 and the other was for $13.25. How much did Carlos de...

**CHEM (PLEASE HELP ASAP)**

The deltaS for a reaction is 3.0 J/(mol*K) at 25 degrees C. Caluculate the deltaG for the reaction when DeltaH = -394 kL and determine whether it will occur spontaneously at this temperature

**Chem (HELP ASAP)**

Phenol C6H5OH partially dissociates in water as shown C6H5OH + H2O --> H3O+ + C6H5O- If Ka is 1.6*10^-10 and the concentration of H3O and C6H5O are both 1.0*10^-5 M at equilibrium, what would be the concentration of phenol?

**Geography of World Commerce**

Hi I need help with Geography of World Commerce. Is there anyone who can help me? also do you assist with essays?

**geography**

what is the theory that helps explain how the earth's topography is formed and how it changes?

**Geography of World Commerce**

Which cities are the major trading centers for each of the major continents, and what led to their development?

**Algebra 2**

solve one ninth = 27^3x-5.

**HRM**

what are the disavantages of job analysis?

**astronomy**

the diameter of earth is 7928 miles. what is the diameter in inches? in yards? If the diameter of earth is expressed in 12,756km what is the diameter in meters? in centimeter? give yoiur answers in scientific notation

**all subjects**

yes

**chemistry**

The equation for the reaction of sodium with water is as follows: 2Na(s) 2H2O(l) £ H2(g) 2NaOH(aq) How many liters of H2 are produced when 12.0 g of Na reacts with H2O at 293 K and 99.3 kPa?

**chemistry**

Calculate the volume of H2 produced at 300 K and 98.65 kPa when 48 g of Mg reacts with excess HCl according to the following equation: Mg(s) 2HCl(aq) £ MgCl(aq) H2(g)

**chemistry**

A student collects 400 mL of oxygen at 9.80 kPa. If the temperature remains constant, what volume would this gas occupy at 9.40 kPa?

**chemistry**

A sample of oxygen occupies 10.0 L under a pressure of 105 kPa. At what pressure will it occupy 13.4 L if the temperature does not change?

**math**

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 20. The range will be any five integers between -10 and 10. Your example must not be the same as those of other students or the textbook. Why does...

**English/Music**

What lyrics would you reference to indicate author Simon & Garfinkel's bias in the song the sounds of silence

**hca210**

How are health care administrators involved in determining the quality of care provided to patients?

**Organic Chemistry**

Which statements are FALSE about selecting a solvent for recrystallization? (Select all correct answers.) Any solvent can be used for recrystallization as long as the compound dissolves in it. The compound should exhibit a high solubility in the solvent at high temperature. Th...

**Organic Chemistry**

Assuming you have a mixture of 2-nitrophenol and 4-nitrophenol, which solvent would be most suitable for recrystallization if you want to isolate 4-nitrophenol? Water Diethyl ether Toluene Acetone Ethanol

**Organic Chemistry**

Which purpose does recrystallization serve? (Select all correct answers.) It is used to purify liquids. To separate unreacted solid starting materials from the solid target compound. To remove a solid from a liquid. It is used to purify solids. Improve the yield of the compound

**Organic Chemistry**

Compound A is recrystallized from n-propanol. Given are the following solubilities (in 100 mL of solvent): 160 g/100 °C, 100 g/80 °C, 60 g/60 °C, 20 g/20 °C, 15 g/10 °C and 10 g/0 °C. How many milliliters of solvent are needed to dissolve 80.0 g of comp...

**math**

what is the capasity of a god fish bowl

**finance**

How much would I have to put away annually to accumulate 50,000 in 8 years given an investment of 10% compounding savings?

**math**

180

**9th grade**

(p-7)(p+8)

**Religion**

Origen was the first Bishop of ______in what year. Studying for midterm and this is one of the questions I can't find an answer to

**marketing**

In Customer Relationship Management (CRM)what is lifetime value of customer? The definition states...The potential profit generated by a single customer’s purchase of a firm’s products over the customer’s lifetime. I am not understanding this fully

**Religion**

What was Eusebius branded as for his unorthodox beliefs prior to the council of Nicea?

**us history**

the slaved-based economy in the south is created by?

**college**

how to write a persuasive essay using a strategy of convincing my employer of the value of providing tuition reimbursement and making extra time for adult learning.

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