Monday

July 28, 2014

July 28, 2014

Total # Posts: 723

**College Physics**

If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off? I don't understand.

**Physics**

If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?

**adult education**

wtf

**Physics**

Come on! That's not the answer. There is something there that I am not getting why it would matter.

**Physics**

If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?

**MATH**

13. 42 ft 14. 656 ft 15. 34 ft 16. 906 m

**MATH**

FOUND IT

**MATH**

i need to find the area

**MATH**

there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?

**Finance**

An investment of $7,800 made March 31, 2001 pays $700 at the end of every six months for five years and pays $10,000 on March 31, 2006. What rate of interest was being earned every six months?

**Math**

How do you confirm this? 1500000 square miles to 7334000 square miles in six months is growing at about 22 square miles a minute.

**physics**

What factors directly affect how much air drag an object experiences?

**geometry**

Two angles are supplementary. They have measures of (7x+2) and (3x-2), respectively. What is the value of x?

**CJS240**

I have done that too, that is how I got the list that you gave me.

**CJS240**

I have looked at these sites and not finding anything here that is what i am looking for. For clarification, I am looking for how the juvenile justice system affects probation

**CJS240**

Need information on how probation can help in the rehabilitation of juveniles

**college**

400/50= 8 hours, now that I did your work for you 2nd grader, your welcome

**science**

is dilution of a solution the answer to acid or base pollution in this world? why?

**chem**

.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of 4.6 between methylene c...

**chem**

.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of 4.6 between methylene c...

**algebra**

a is a negative real number

**chemistry**

Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks

**organ chem**

Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks

**SOC120**

I am having much difficulty location information on Nigeria which is what I Chose. i cannot use wikipedia as this is not solid info

**SOC120**

• Compose a 200- to 300-word response to the following: • • Explain urban growth trends in the world’s poorest countries. What causes urbanization in poor countries? • • Choose a major city in a poor, developing country and research how urbanizati...

**organ chem**

Why is thymol only slightly soluble in water, but very soluble in 1.0 M NaOH?

**english**

gdf

**math**

Let g(x)=-x^2+4x+1 Find the following g(-1/x)

**Math**

1+1+1=3 cannot be written as a muliplication sentence because there is no equal groups. Do you agree? Explain.

**spanish**

what does it mean when it says... que clase de musica es la mas abburida? is that the type of music? like rock, or hip hop, or rap? that kind of question?

**physics**

A 1 kg block drops from a table and accelerates towards the floor at 10 m/s2. What is the force?

**math**

Are three collinear points are always also coplanar points.

**english**

He tends to worry people such as his mom, sister, and Sonia (Sofya). He also likes to make people think a lot such as Porifiry (spell check). That's all i can think of for now. I am also writing this essay haha

**7th grade**

(a+15)(a+7)

**science**

describe the relationship between an element's placement in the periodic table and the number of electrons in its outermost energy level

**geometry**

IF CIRCLE HAS 10 INCH DIAMETER HOW MANY INCHES ARE IN THE CIRCOMFERENCE?

**psychology**

The Outer Person

**Persuasive Essay**

why do you think so?

**Persuasive Essay**

what do you think about the new healthcare reform?

**english**

Should dying people be kept on life support?

**marketing**

timeliness in handling a customer's orders, questions a nd complaints is not important. true or false?

**compose**

if 3.85 L of carbon monoxide was collected over water at 25 degrees celsius and 689 mmHg how many grams of formic acid were consumed?

**science**

why is the angle of rays of sunlight so important in determining the amount of energy collected by the earth

**math**

An item regularly priced at is on sale at a discount of . What is the sale price of the item?

**algebra**

what would be the cost of something that is on sale for 40% off if the regular price is $180

**chemistry 11**

mrs. lawsons chem ll? tfox?

**economics**

How does the devaluation of a currency reduce or increase a trade deficit? Can you give a real world example?

**Facility Planning**

has anyone done a paper about hospital/clinic that is being renovated or needs re-construction?

**social studies**

according to maslow,our lowest or most fundemental needs and motives center around a:issues of esteem b:the need for love and belonging c:self-actualization d:physical needs

**Physics**

Help me anyone please

**chemistry**

Hydrochloric acid can be prepared using the reaction described by the chemical equation: 2 NaCl(s) + H2SO4(l) ----> 2 HCl(g) + Na2 SO4(s). How many grams of HCl can be prepared from 393 g of H2SO4 and 4.00 moles of NaCl?

**Gr. 12 Data MAnagement**

Don't know why, thats just what the back of the book says :s

**Gr. 12 Data MAnagement**

wrong its 210

**algebra word problem**

I still don't understand it

**algebra word problem**

find three consecutive positive numbers such that the product of the first and third minus the second, is 1 more than 6 times the third

**science-chem**

25 mL = .025 L, not .25L

**science**

Use kinematics to calculate the height for the firstball, which is Vf=0 a=9.8 t=1.5 because you take the total time it take to go up and come back down and divide it by 2. 3/2 = 1.5 getting an initial velocity of Voy= 14.7m/s V = t(9.8) = 1.5(9.8) = 14.7 This must have the sam...

**math**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and Train B is traveling 64 mph. Train A passes a station at 7:15 AM. If Train B passes the same station at 7:45 AM, at what time will Train B catch up to Train A?

**calculus**

Carbon-14 is a radioactive substance produced in the Earth's atmosphere and then absorbed by plants and animals on the surface of the earth. It has a half-life (the time it takes for half the amount of a sample to decay) of approximately 5730 years. Using this known piece ...

**pre calc**

Find a linear factorization of: f(x) = x^3 + 5x - 6. thanks.

**chemistry**

The oxidation reaction would be K yields K+ + e- (When adding the reduction-half and oxidation-half, the oxidation equation will be multiplied by 2.) Hope this helps.

**Chemistry**

You have to balance the charges of the ions in the compound. Fluorine has a charge of -1, so when magnesium replaces the iron (III), the new compound is MgF2. Now all that is left to do is balance the reaction. The sulfate group has a charge of -2, meaning lithium sulfate is L...

**chemistry**

An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. Wht is the pH of the diluted solution?

**6thgrade math**

yes =}

**com**

Prepare a 1,050- to 1,750-word paper in which you analyze the ethical and legal aspects associated with harrassment, addressing the following topics in your paper: 1.Describe the current moral and ethical issues faced by managers involving your selected topic. 2.Explain how th...

**math**

You can tell this isn't a page dealing with English because no one here knows how to speak it properly.

**Economics (MRS)**

Aargh font didn't come out right. I meant MRS of U(x,y) = (xy)^0.5 (ie sqaure root of xy) and (x+y)^0.5.

**Economics (MRS)**

What is the marginal rate of substitution for U(x,y) = ãxy? ,ã(x+y)?

**boy scouts**

what is the meaning of life

**Calculus**

Evaluate the integral: sin^2(5x)cos^2(5x)dx

**Calculus**

How do I evaluate this integral: x^9cos(x^5)dx Hint: First make a substitution and then use integration by parts.

**Chemistry**

How do I prepare a solution of 0.0025M Fe3+ by dissolving the appropriate amount of ferric ammonium sulfate in 500 cm^3 of 0.0025M sulfuric acid?

**biology**

which objective of a compound microscope would show the largest feild of view

**Math**

How long after 7:30 are a clock's minute hand and hour hand 50 degrees apart? The answer is 17.3 minutes, but I don't know how to get it. Help!

**Math**

The half life of Uranium 230 is 20.8 days. How long would it take for 20% of Uranium 230 to decay?

**Math**

How long after 7:30 are a clock's minute hand and hour hand 50 degrees apart?

**math**

how would you find (4x + 3)squared

**PHYSICS**

A banked circular highway curve is designed for traffic moving at 60 km/h. The radius of the curve is 205 m. Traffic is moving along the highway at 40 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to negotiate the ...

**AP Physics**

While two forces act on it, a particle is to move at the constant velocity v = (3 m/s) i - (4 m/s) j. One of the forces is F1 = (2 N) i + (- 6 N) j. What is the other force? ( _____ N) i + ( _____ N) j Only two horizontal forces act on a 3.0 kg body that can move over a fricti...

**CHEMISTRY**

I've been trying to do this problem but I would get confused and stuck.. Consider a sample of a hydrocarbon at 0.959 atm and 298 K. Upon combustion the entire sample in oxygen, you collect a mixture of gaseous carbon dioxide and water vapor at 1.51 atm and 375 K. This mixt...

**Statistics**

Question 1 Use the following research question and data for questions 1 - 6. A researcher is examining the effects of a computer-based training program designed to teach algebra. The researcher randomly selects subjects for two groups and gives one group the computer training ...

**Math**

WELLIT IS ABOUT WHEN THY WRITE TO ROUND TO THE NEAREST NUMBER THE HAVE TO SAY THOUSND MILLON OR TENS YOU LOOK AT THE NUMBER AND CIRCLE IT

**physics**

Why do we cross multiply. I though you multiply 100 x 5 then 75 x 5 and then divide and multiply by 100

**Math check 3**

(a+15)(a+7)

**anatomy**

what kind of cells would form a scar on the head after cancer had been removed.

**chemistry**

5.2*10^5

**HCA 270 Appendix C**

Im aslost as you

**english**

Which sentence is correct the one with or without the comma? In the beginning there was man. In the beginning, there was no man.

**Physics**

A force of 2.3 N is exerted on a 6.6 g rifle bullet. What is the bullet's acceleration

**physics**

ohh..sorry! It didn't turn out the way I typed it

**physics**

Calculate the energy released in the fusion reaction 2 3 4 1 1 H + 1 H->2 H +0 n. The atomic mass of 3 1 H (tritium is 3.016049 u. I am lost! help please!

**physics**

A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start

**Physics**

A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start

**Physics**

I don't know how to get the frequency, I think if I can figure that out I could get the rest, but I am not sure where the two 75 W come in and the 5% like where am I suppose to put them in any equation?

**Physics**

A 75 W light source consumes 75 W of electric power. Typically only about 5% of this energy is emitted as visible light of wavelength 600 nm. (a) Calculate the frequency of the emitted visible light. (b) How many photons per second of visible light does the source emit? (c) Is...

**Physics**

A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are 20 ms in duration. THe average power expended during each pulse is .600 W. (a) How much energy is in each pulse, in joules and electron volts? (b) What is the energy of one photon ...

**Physics**

What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection? I am confused on the n's and I have no idea what equation to use, it see...

**Physics**

Coherent light of frequency 6.32 * 10^14 Hz passes through two thin slits and falls on a screen 85 cm away. You observe that the third bright fringe occurs at +- (plus or minus) 3.11 cm on either side of the central bright fringe. (a) How far apart are the two slits? (b) At wh...

**Physics**

Two small stereo speakers A and B that are 1.4 m apart are sending out sound of wavelength 34 cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks so that he is always 1.5 m from speaker B. For what values x will the so...

**us history**

What gropu was largely responsible for funding the builing of the railroad system in the U.S.?

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