Thursday

April 24, 2014

April 24, 2014

Total # Posts: 977

**physics**

A penny is dropped from the observation deck of the Empire State building (370 m above ground). With what velocity does it strike the ground? Ignore air resistance.

**physics**

Glenda drops a coin from ear level down a wishing well. The coin falls a distance of 14.80 m before it strikes the water. If the speed of sound is 343 m/s, how long after Glenda releases the coin will she hear a splash?

**physics**

A Nile cruise ship takes 21.7 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.4 h to make the return trip downstream. Assuming the ship's speed relative to the water is the same in both cases, calculate the speed of the current in the Nile.

**physics**

Two cars are driving toward each other on a straight, flat Kansas road. The Jeep Wrangler is traveling at 84 km/h north and the Ford Taurus is traveling at 43 km/h south, both measured relative to the road. What is the velocity of the Jeep relative to an observer in the Ford?

**physics**

An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to a stop in 1.3 km?

**math**

HELP!!! How do I solve the following: 3h + 2 for h =10

**Physics**

I keep getting a negative answer for this...is that ok?

**Physics**

Ok that makes sense. But how do I come up with the distance below the climber?

**Physics**

A small first aid kit is dropped by a rock climber who is descending steadily at 1.3 m/s. After 2.5 s, what is the velocity of the first-aid kit, and how far is the kit below the climber? This problem seems like it should be easy, but I'm not sure which equation to use. I&...

**Paralegal Today**

Assume that John submits ann offer to Lisa to purchase Lisa's home for $300,000. Lisa responds to John's offer with a counteroffer: she will sell John her home for $325,000. John then offers to purchase the home for $325,000 and Lisa accepts the offer. In each of these...

**Paralegal today**

What might result if an insurance applicant makes false statements in an insurance application? In this situation, will the policy be enforceable? Explain.

**Physics**

For part a, my book says the answer is 310 m. I'm still really confused on how they got this answer.

**Advanced Math**

Def: An interger "m" divides an integer "n" if there is an integer "q" such that n=mq. ?Suppose a, b, and c are integers such that a divides b and b divides c. Prove that a divides c.

**Social Studies**

What does Independent Invention mean?

**Math**

60

**Math**

9 divided by 66

**U.S. Government**

Sorry again, BUt i have a few more questions that I could not figure. 1. Give examples of which US culture or government has followed the classical republican model. 2. Give examples in which US culture or society has followed the natural rights model. 3. Which model is more i...

**Government**

In what ways were the founders influenced by the ideas of the natural rights philosophers? What proof can you show that the Founders were influenced by the natural rights philosophers?

**Physics - REPOST**

Sorry (impatient) and Thanks. So E=/F/ divide by /q/

**Physics - REPOST**

A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?

**Physics**

Sorry (impatient) and Thank you for your time. So is E=/F/ divide by /q/

**Physics - REPOST**

A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?

**Physics**

I would like logic on how to solve this problem. A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?

**math**

gordy has 187 cds.he wants to put them on shelves.each shelf holds 42 cds.how many shelves he be able to completely fill whit cds?

**fin**

The answer to question A. is $189,500

**physics**

The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate the total mass m attached to the spring. If the spring ...

**science(physics)**

can you help me??

**physics**

The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate the total mass m attached to the spring. If the spring ...

**Physics**

The acceleration of gravity on the moon is about 1.6 m/sec2. An experiment to test gravity compares the time it takes objects to reach a speed of 10 m/sec after being dropped from rest. How long does an object dropped on the moon have to fall compared to an object dropped on ...

**Art**

I choose a painting to write about and I am having the hardest time trying to see the form, color, space and much more. Is there anyone that knows this kind of stuff?

**Social Studies**

How did the headright system promot British migration to the new world?

**Writing**

That is a good way to start, you could also say, The one person who made a big impact in my life is Hill Harper, and then go on to say why. But what you said would work too.

**Math**

Find all positive values for k x^2 + 2x- k how do you figure this out factor it out and only use the positive answer

**Math**

Jerry earned $18,500 one year and then recieved a 10.5% raise. What is his new yearly salary? would this be the correct way to set this up and the correct answer? $18500*10.5=$20442.50 You got the correct answer, but didn't type the correct equation. Which tells me you did...

**Biology-homologous chromosomes**

homologous chromosomes are called?

**Chem 011**

I can not figure out how many mols are in 102grams of NH3? mols = grams/molar mass. mols NH3 = 102/17 = ??

**Chemistry**

Wow, Brandon! WOW!!

**phisical science**

force and motion Do you have a question? Not knowing what your specific question or your age is, I searched Google under the key words "force motion" to get these possible sources: http://library.thinkquest.org/CR0215468/force_and_motion.htm http://classroom.jc-schoo...

**Computer**

Give some examples where traffic analysis could jeopardize security. Describe situations where end-to-end encryption combined with link encryption would still allow enough traffic analysis to be dangerous. Since this is not my area of expertise, I searched Google under the key...

**Computer**

Suppose that a sender and receiver use asynchronous transmission and agree not to use stop elements. Could this work? If so, explain any necessary conditions.

**chemistry**

Question is: If you gain your iron from an iron citrate (Fe(C6H7O7)2) supplement, how many grams of iron citrate do you need to take to gain 8.88 mg of iron? I tried setting this problem up, but i don't think i did it right. can someone please tell me if i did it right or ...

**chemistry!!**

If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will Chaum produce? The densit...

**chemistry**

If someone could figure this problem out and tell me how to do it, i would really appreciate the help! Bryson needs .003 mg of a cholesterol-lowering drug per pound per day. The drug should be taken 3 times a day. If capsules contain .010 mg of the drug, how many capsules shou...

**math**

i need help with this homework question: it takes 1and1/3 ounces of cocoa to make a cup of hot cocoa. how many cups can be made from 32 ounces of cocoa? You will need to divide 32 by 1 and 1/3. 1 1/3 = 4/3. 32 divided by 4/3 is the same as 32 x 3/4 because dividing is the same...

**Chemisry**

I don't understand what you do after you find out how many electrons are in 1 gram?

**chem**

I dont know the answer I was just guessing sry

**chem**

Im so sorry I'm 6 years late. But maybe someone else can benefit from this answer.

**chem**

Salt contains lots of free ions for electricity to flow through. So iodized salt would work the best conducting electricity. However, epsom salt contains many free ions aswell, just not as much as iodized salt.

**math!**

If 10 human couples move into a new unpopulated area, how many people will live in the area after 200 years? The couples are 20 years old when they move. The people's life expectancy is 60 yeras, the average family has 4 children, and the average couple begins having child...

**math**

If 10 human couples move into a new unpopulated area, how many people will live in the area after 200 years? The couples are 20 years old when they move. The people's life expectancy is 60 yeras, the average family has 4 children, and the average couple begins having child...

**ap chem**

b] PF3 is polar because it contains polar bonds and is not symmetrical 2. H-N-H bond angle is 107.5 because in space everything is three dimensional. If you looked at a three dimensional molecule of H-N-H, you would see that the angle is greater than 90 degrees. When measured ...

**HISTORY**

The answer is B.

**help me...plz its not hard for u but for me it is**

How do you write a Bibliography? Can you just give me a example... THANKS!!! This will give you an example and an explanation of each item. http://www.aresearchguide.com/11guide.html These days, bibliographies are also known as "works cited" pages. http://grammar.ccc...

**Social Studies...Help plz**

Can you find me a website about Triangle Trade Route. (New England) Thanks a lot to who ever helps me out!! =] http://asterix.ednet.lsu.edu/~kfossey/4507/lesson3/cenac/group4.html THANKSSSSSSS Some New England trading ships followed the triangular trade route. The triangular t...

**HELPPPP**

What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S- Thank you so much for your help!! Stepanie -- we Jiskha tutors...

**Science**

What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S- Thank you so much for your help!! What is relative humidity? W...

**biology**

i need help writing sentences with the following words? autotroph diversity eukaryote heterotroph indigenous infer prokaryote stimulus sustainability I would look the words up to be certain on the meanings: I would use your text definition first, if available. We can check you...

**Algebra 2**

Is linear relationship a direct variation? why or why not? Assuming that the line is neither vertical or horizontal, it is a direct relationship. It indicates that one variable increases or decreases directly with changes in the other variable. A vertical or horizontal line in...

**reading**

what is the turning piont in Stuck in Neutral by terry trueman? The whole point is that just because someone is disabled, doesn't mean that they can't think or feel or that they aren't smart. I mean they could be, but obviously the guy in the book isn't. Then t...

**math**

U can't solve this question because u don't have the information u need. So it is basically impossible to solve this question.

**SOCIAL STUDIES**

What are the three forces that change the shape of the land and what are the effects do they have on the earth? http://en.wikipedia.org/wiki/Erosion

**Chemistry (Check)**

Electrons

**Stats: Joint Density Function**

Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0<x<y<1 (0 otherwise what is the value of k? Can someone please help me with this? The formula I used was: ))kxy^2 dx dy (where )) is double integration both from 0 to 1). I worked it out (I think) ...

**Inorganic Chemistry**

The atoms in barium metal are arranged in a body centered cubic unit cell. Calculate the radius of a barium atom in A if the density of barium is 3.50g/cm3. The atomic weight of barium is 137.34. The atoms in barium metal are arranged in a body centered cubic unit cell. Calcul...

**citizenship test for child**

What are the 2 houses of congress and what is the judicial branch of the us government? The US government is made up of three branches: Executive -- the President and those who work with him Legislative -- the Senate and the House of Representatives Judicial -- US Supreme Cour...

**Managerial Accounting: Help Me**

Please help me with the following 4 questions 1)

**5th grade math**

What is the value of 5 the numbers 3,552,308,725

**homework !!**

My daughter did excellent in school last year (grade 1) She was reading at a grade 2 level, and loved school. Now, she says she can't read, won't read and when she tries she is getting all the small words wrong. Is she playing me or does she have a problem?? My first b...

**arrays**

What do we call the numbers that cannot be arranged into 2-row arrays? odd numbers. I learned that from Roger. And the answer is the same as one several posts below. Giberra

**Computer**

devise a number system based on base 11. a)draw the number line b)show examples of addition and subtraction c)develop a representation of negative numbers based on elevens complement Hi Stephanie: I guess first I want to make sure you understand what a base 11 number system wo...

**mathh (unit rate)**

determine the unit rate if 10,500 ants are in 1,500 square feet.

**math**

find the pattern... 28,300,10 There is no single pattern. Post more numbers in your sequence.

**Fed Tax 2- AMT**

Corp reports - Taxable income 300,000 Interest on private activity bonds 20,000 Life insurance proceeds 250,000 Dividends-received deduction 50,000 Depreciation claimed for: Taxable income purposes 175,000 AMT purposes 130,000 Adjusted current earnings 800,000 What is th e alt...

**sociology**

I am an Axia student to. I HATED COM220

**geography**

on fur seals breeding what where when how seasonal movements description including coping with a harsh environment food chain what is great about fur seals

**science**

on light, heat and sound Waht are primary coulars of light What is spectram what are the colours What determins a colour Name one good conductor of heat and one good insulatore??? thanks if you help me send answer soon thanks a million http://csep10.phys.utk.edu/astr162/lect/l...

**Geography**

on fur seals Breeding when where what how food chain destription including coping with a harsh environment may be a relivent question to mine I will check

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