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Posts by Ron

Total # Posts: 364

Physics
A v vs t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t=5s the acceleration of the ball is zero. We know that at t=5s, a) the curve is not crossing the time axis b) the velocity of the ball is not changing c) the slope of the curve ...

Court system
I need to write a 200-300 word response comparing the state court system in Ohio and the federal court system. Compare these two by structure, source of laws and they types of cases that are heard.

calculus
find all intercepts x^2-4/x-1 show work

calculus
find all x,y intercepts of x+6/x-3 show work

Mathematics
1.35*10^3

biology
can h202 be broken down by catalysts other than those found in living systems ?

Physics
Do I multiply the 1 u by the mass of the aspartame then add them up . and for the mass of kg what is the conversion factor.

Physics
The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? u (b) What is the mass (in kg) of an aspartame molecule? kg I know I have to get the totally mass of the aspartame, but I'm unsure how to...

Physics
Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include the algebraic sign. J

chemistry 2
A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?

chem 203
Br2=2Br When 1.05 mol of br2 is placed in a .950L flask, 1.20% of Br2 undergoes dissociation. Calculate the equilibrium constant Kc, for this reaction. Use ICE table.

Math
Can anybody translate (y + 3)(y -2)

economics
Will it be true, false, or uncertain ?if people who was laid off return back to work that according to the productive possibility graph with a shift outward/right that butter and guns would increase. Explain.

Math
The width of a standard newspaper column is 2.625 in. and the length of a standard column is 19.5 in. Express the ratio of the two measurements as a ratio of whole numbers. The answer is 7/52 but I cannot for the life of me figure out how.

social science
By way of the ppf curve a shift inward is displayed. What would the technological change be?

Math
How would you solve this (2a^4)^2

Albebra
c squared-4c-12=0 we have to solve each equation by completing the square.

physics
how to i find average speed? the problem says. a driver set outa journey for the first half she drives at 30mi/h and second half 60mi/h. Find the driver's average speed?

algebra
the answer is C because 6-6=2-2

9-11
What are some things that have changed after the 9-11 incident?

algebra/inequalities
This was 10 years ago ;-;, I wonder if this person has a new life lol, different like a job or a career. Weird to think of it

social studies
What is the role of the witness in the courthouse? What is the role of lawyer? You can look up both roles in a dictionary and/or a search engine such as Goofle. http://www.answers.com/witness http://www.answers.com/lawyer

social studies
what is courthouse. What is the role of the people working there. What happens there. A courthouse is the place where a judge or group of judges hear and decide decisions. In addition to the judges there are usually court officers who act in policing the court and providing ...

Anthropology
What do you think are the relative contributions of individual ideas and actions and the sociocultural context in which individuals live to the conditions depicted in Bourgois’ “Office Work and the Crack Alternative”? How would you compare individual ideas and ...

culture
“They say you Americans can do anything. So why can’t you make your own cocaine and let our children come home from the coca plantations in the Chapare?” (quoted in Weatherford). Can you answer this question? What do you think would be the costs and benefits of...

Anthropology
What is “cultural” about the ways societies organize their economic systems? Think about the dominant economic system in the U.S. (production of goods and services, technology, allocation of resources, division of labor). What are some of the culturally constructed ...

Critical Thinking 205
So I've been searching, checking the web on many different search engines, the college library. and have not found an example of a nonprejudicial rhetorical device. So it would be safe to say there is no such thing as a nonprejudicial rhetorical device? Rhetorical devices ...

English(its related to business writing class)
Hi I have to write Request Letter. The professor said becareful about these 2 points. 1. Use full block style. 2. Project a "you attitude." What does this both mean, can you explain to me in simple English, since english is my second language. :) Here's a good ...

chem
Predict the order of the increasing vapor pressure for the following compounds: FCH2CH2F FCH2CH2OH HOCH2CH2OH Result:the order its written that the oreder it's increasing but im not sure

chem
Of the floowing compound, which would you exoect to have the lowest vapor pressure at room temperature: CHCl3 CH2Cl2 CH3Cl CCl4 From my result I think it is CH2Cl2

math
Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive? How should I set this up? 160 kilometers per hour is 100 miles 55 miles is 88 kilometers. Here in New Zealand we are in kilometers

English
Does anybody know any websites that will give me information on the benefits and salaries that a store manager and a hand model( jewelry and perfume) earns http://www.payscale.com/research/US/Job=Retail_Store_Manager/Salary I could find no information on "hand models&...

Astronomy
Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Thank you for using the Jiskha Homework Help forum. Rather than my posting ...

Astronomy
Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Be sure to include references of your sources. Be careful to avoid using ...

physics(airplane)
Hi, Does anybody know any websites or ideas of how to make an airplane without any paper (cardboard is allowed). Please help.

English
im an only child and parents are too busy to help so, i need to interview someone that went to school 20 years ago and i was wondering if anyone would like to help me. Theses are my 7 questions because i already have 3 answered: 1.How was school like back then for you? 2.What ...

science
what is freezing and boiling point of sugar. Several sources on the Internet list the melting point as 160-186 with decomposition. The Merck Index lists "dec. 160-186. Chars and emits characteristic odor of caramel." Since it decomposes at 186, the boiling point is ...

History
Was Hitler one of the reasons why World War II began? http://en.wikipedia.org/wiki/World_War_II#Cause_of_war_in_Europe Yes, because he threatened world peace as a dictator when he and Germany showed agression against other countries; shortly after, WWII began. P.S.- same thing...

physics
Describe the energy conversions that occur in each of the following devices: a. an incandescent lightbulb b. a clothes dryer c. a digital clock radio We will be happy to critique your thinking. Heat is produced in all, and some light is produced in two. One also produces motion.

English
Yes, A rasin in the sun by Lorraine Hansberry OK what is your question? Are you looking for a theme? do you have any questions that need to be answered, cuz I have a whole list of them for every act First off thank you for helping me! This the? What are some major themes shown...

Math
I don't want the answer I want to know how you solve the problem! A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager ...

Math
A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager buy? A 6 B 8 C 9 D 12 D 12

math
For a wedding, Shereda bought several dozen roses and several dozen carnations. The roses cost $15 per dozen, and the carnations cost $8 per dozen. Shereda bought a total of 17 dozen flowers and paid a total of $192. How many roses did she buy? A 6 dozen B 7 dozen C 8 dozen D ...

science
Is the active ingredient in red tomatoes Lycopene? Active for doing what? Research indicates that lycopene is one of several ingredients that are effective in reducing prostate cancer risk in rats. See http://news.bbc.co.uk/2/hi/health/3239483.stm Lycopene is also the ...

English
In the Great Gatsby what is Jordan’s Nick’s Daisy’s, and Tom’s motivation, hope, or dream. I haven't read this work. The best suggestion I can make is that you go to one or both of these websites, look up this book, and see if they have insights you can...

physics
Sound does not travel through a vacuum. How do we know that light does? Explain how you can see ordinary nonluminous classroom objects. Light? Through what medium does starlight reach us? We see nonluminous objects mainly with reflected light.

chemistry
I am doing a project on medicinal plants. I planted red tomatoes, but I can't find any website that provides me info that it is medicinal. If you know any websites on red tomatoes that shows that it is medicinal please tell me. Oh tomatoes in my country we use for skunk ...

chemistry
Does anybody know any websites that there are chemistry labs that could possibly be used in a CSI investigation? I can’t find anything. http://antoine.frostburg.edu/chem/senese/101/organic/faq/amino-acid-test.shtml

Chemistry
What does a saline solution of 0.9% mean quantitatively? (Per 100 gram solution; percent by mass) 0.9 g NaCl + 99.1 g H2O. Thanks!

brain teaser help
I A S W A A Thank you for using the Jiskha Homework Help Forum. Here is your answer! AcronymDefinitionIASWAAIt's A Small World After All (song)

English
Does anybody know the author to the poem The Tide Risen the Tide Falls? by: Henry Wadsworth Longfellow

chemistry
Hi, Does anybody know any good websites that can teach me step-by-step basic chemistry (through power points) to AP chemistry? I would greatly appreciate it! Since this is not my area of expertise, I searched Google under the key words "AP chemistry course" to get ...

Microbiology
What is the diferece between a partial diploid clone and a partial diploid cell?

trig question
h=28-25*sin((t-1/15)/(3pi)) t is in minutes h is in meters

Algebra 2
Adding 1 to which digit will increase 736,419 by ten thousand? i think is 3... bill has four more dimes than nickels, and seven fewer nickels than pennies.he has a total of $3.35. how many of each kind of coin has he? bill has four more dimes than nickels, and seven fewer ...

difference between 10k, 14k, 18k gold
what is .925 gold is it better than 24k

percentages
Hi I want to know what one amount is a percentage of another example what is 0.74 and a percentage of 4.91 thanks What is the percentage of .74 of 4.01? percent= .74/4.02 * 100 Thank You !!!!!!

chemistry
Thanks!

Bio
1.cAMP MOLECULES BIND TO THE ________ subunit of_______ a. catalytic, PKC B. regulatory, PKA C. Regulatory, PKC d. Catalytic, PKA I THINK THE RIGHT ANSWER IS "B", PLEASE HELP

Bio
The _______ - subunit of most heterotrimeric G-proteins binds the guanine nucleotides and acts as a _________. a. beta, ATPase b. gamma, GTPase c. alpha, ATPase d. gamma ATPase c. alpha, GTPase I think the right answer is "E" but not sure please help E is correct. ...

cell biology
1.The________particle halts the translation of the mRNA to a polypeptide before checking to the ER a. singal recognition, permanently b. signal recognition protein receptor, permanently c. singal recognition, temporarily d. signal recognition protein receptor, temporarily I ...

Bio
The binding of alanine to tRNAala is mediated by the enzyme...... a. aminoacyle-tRAN SYNTHSE b. amino-tRAN SYNTHSE c. aminoacyle-tRAN synhetase d. amino-tRAN syntase I think the right answer is c, but not sure. Please check

biology
1. The process by which the ER uptakes an incipient polypetide concurrent with treanslation of the peptide is called..... a. co-import translation b. co- translation import c. co-transcription import d. co-transprt I believe the answer is "c" please check I think not...

biology
1. The number 1,2 and 3 are the nucleotides of the anticodon for the mRNA codon 5' AUG 3'. Thus in order of 1, 2 and 3 the sequence of this anitocodon is...... a. UTG b. ATG c. GUA d. CAU I believe the answer is "d", Please check

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