Wednesday
July 23, 2014

Posts by Jess


Total # Posts: 824

physics
An 7.95 g bullet is fired horizontally into a 9.03 kg block of wood on an air table and is embedded in it. After the collision, the block and bullet slide along the frictionless surface together with a speed of 11.6 cm/s. What was the initial speed of the bullet?

history
Explain the policy of engagement

social studies
who wrote the senecafalls declaration? when and why

chemistry
assuming x=1, how much CuSO4.5H20 would you need to prepare 6 grams of copper ammine complex?

Physics
An advertisement claims that a particular automobile can "stop on a dime". What net force would actually be necessary to stop an automobile of mass 850Kg traveling initially at a speed of 43.0 km/h in a distance equal to the diameter of a dime, which is 1.8cm ?

chemistry
1.2 mol of CH3OH(g) are injected into a 2.0 L container and the following equilibrium becomes established. 2H2(g) + CO(g) <=====> CH3OH(g) + 92 kJ If at equilibrium 1.0 mol of CH3OH is still in the container the Ke must be which of the following? a. 25 d. 12.5 b. 125 e. ...

7th grade
128 pages a day

environmental science
what is a example of mutualistic symbiosis between the organisms of fungus and a photosynthetic alga?

Biology
What are two different ways that genes are identified in prokaryotic versus eukaryotic genomes.

algebra
find the slope x+6y=12

algebra
find the y-intercept and x-intercept 2x+3y=12 3x-6y=72

math 61
A=length*width or A=LW 1250=25L L=50ft

Calculus ( finding limits)
Find the limit as x-->-inf (x+2)^(3/2)+1 ----------I know that the answer is infinity but I don't know how to get this answer by hand. Could someone please help me? Thanks a lot!

writing
This is my Assignment.. Choose a topic from your personal knowledge and experience Write 3 to 10 pages (or between 750 to 2500 words) Write in your own words from your perspective or point of view, using the pronoun I Capture your reader’s attention with an interesting in...

writing
Hello. I could really use some help with my ESSAY. If anyone could tell me what they think of it and if anything needs corrected. Thanks Jess Well I guess the best place to start is the beginning. I was born in Kentucky, but only lived there for five years. Then moved to Flori...

Physics
We learned in lecture that the magnetic force on a charge q moving with velocity v in a magnetic field ~B has the form F = q~v × B One important fact about the cross-product is that for two vectors A and B , the following is true A × B = −B × A which ma...

grammar
Never mind i figured it out lol sorry.

grammar
Thanks that was a big help. I just have one question. What does (SP) mean?

grammar
Hello. I could really use some help with my ESSAY. If anyone could tell me what they think of it and if anything needs corrected. Thanks Jess Well I guess the best place to start is the beginning. I was born in Kentucky, but only lived there for five years. Then moved to Flori...

math
4/x - 4/y _________ 2 - 2 y X __________ 4 thats y to the 2nd power and x to the second power

Dress making
Thanks that's what I thought but I just wanted to make sure before I turned it in.

Dress making
which of the following is the most complete and accurate definition of fiber A: A stringy substance from plants. B: The hair of an animal. C: Man-made threads and yarns. D: Basic raw material from which fabric is made.

10th grade, spanish three
how would i answer this question with direct object pronoun? quien te habla por la telefono todos los dias?

chem
im working on a lab in chemistry called measuring energy changes :Calorimetry how to you determine the molar latent heat of fusion of ice using q=mcT ?? why was the ice driedbefore it was placed in water? why is hot warer ysed rather than room temp? in which dirextion would y...

biology
idk

English
Thanks for your help, and I will read that link you sent :)

English
Isn't germen supposed to be capitalized?

English
Which of the following italicized words is correctly capitalized? I think it is D. is that correct? Thanks or your help.. A. Mount mckinley is the tallest mountain in North America. B. The most beautiful State is Hawaii. C. Marsha speaks excellent german. D. Jim must drive to ...

Physics
A rope is used o pull a metal box 15.0m across the floor. The rope is held at an angle of 46.0 degrees with the floor and a force of 628N is used. How much work does the force of the rope do?

history/world war 1
thank you!

history/world war 1
for this assignment i'm doing i have to list 3 specific reason for why the U.S joined world war one and i can only think of 2 which are 1.german submarine warfare(sinking of the Lusitania 2.Zimmerman telegram thanks!

Literature
thanks for your help...

Literature
I see so do you think it is D. appetite.??

Literature
Please can you check my answer.. 13. According to Renaissance philosophy, commoners often represent A. reason. C. pride. B. love. D. appetite. I think it it... B. love. It that correct ?

math
I have to write an equation for the following. The daily newspaper started printing three years ago they had 5700 home delivery subscribers. The number of subscribers increased by 67 every month. write equation that shows the relationship between number od subscribers B and th...

math
How would I get B?

math
I still don't understand this?

math
Give the equation of the line that is perpendicular to the line y= -3x + 7 and passes through point (0, -6) please help

math
the equation x^2 + 6 = -8x would be quadratic right?

math
is the given number a solution to the given equation yes or no? 4x= 8; 7 I would have to say no.

math
10x + 7 - y= 0 This equation would be linear right?

business/Walmart
What has happened to Wal-Mart that affects their strategy from 2007 to 2009???

math
How would I give an equation of a line that is parallel to y= -4 + 7 ? Thank you

math
Write an equation that shows the relationship between the quanities. The total cost of a certain plumber is a flat rate of $35 plus $9.50/hr How would I write the equation between the quanities? Thank you

math
indentify the slope and the y intercept for the line associated with the equation 5x + 20y= 60

math
find two points on any horizontal line to illustratewhy a horizontal line has a slope of 0

math
so the equation for vertical line is x=a. So it would be false?

math
The graph of an equation in the form y=mx + b is a straight line. Can the equation of every straight line be written in the form y=mx + b (Hint: What is the equation of a vertical line?)

9th grade
i have a test soon, and i don't know where my textbook is, can you tell me everything i need to know about organic compounds?

MAT 116 Week 6 quiz
what is the slope of (-19,-16) and (-20,-18)

math
give five oredered pairs that make the equation true y=20+x/3

11th grade-Logs
log x = 1/2 (log a + Log b - log c) express x in terms of a,b,and c.

Math-LOGS
Express x in terms of a,b and c. log x = 1/2 (log a + log b - log c) Please solve and explain how to do this type of problem, thank you!

History
Where i can get good info on this question so i can write a good essay. How did the bush administration's post-september 11th foreigh policy compare and contrast with previous US foreigh responses to grave national security treats? Thank you

human resources
what are some reasons under which affirmative action as a national priortity has been challenged?

human resources
what are six competive challenges facing human resources management departments

Physics
The angular position of a point on the rim of a rotating wheel is given by è = 8.0t - 3.0t2 + t3, where è is in radians and t is in seconds. (a) What is the angular velocity at t = 5 s? ___________rad/s (b)What is the angular velocity at t = 7.0 s? _________rad/s...

Alegebra, math 116
1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56 houses available. Use ...

physics
40.72 m/s

Physics
A 2.85 kg stationary package explodes into three parts that then slide across a frictionless floor. The package had been at the origin of a coordinate system. Part 1 has mass m1 = 0.500 kg and velocity (10.0 + 12.0) m/s. Part 2 has mass m2 = 0.750 kg, a speed of 13.5 m/s, and ...

Physics
i just wanted help i have no idea who those other people are but if you dont want to help me thats fine

English Help
R for run on sentence, CS for comma splice, F for fragment, and C for correct sentence. Some correct sentences can be punctuated more effectively, however. Check over my anwers if i get it wrong please correct me. Thanks! 1. Carlos took the job and he was happy to get it. 2. T...

English
R for run on sentence, CS for comma splice, F for fragment, and C for correct sentence. Some correct sentences can be punctuated more effectively, however. 1. Carlos took the job and he was happy to get it. 2. Tono loves Chinese food, he eats it three times a week. 3. Lovie co...

college
Given 24 pens, either red or blue. If 4 are blue, what is the probability of you select 2 pens AT LEAST 1 will be blue. (without replacement, that is, you are taking 2 separate pens)

Chemistry/maths
Using the following stock solutions: NaCl, 100mmol KCl, 200mmol CaCl2, 160mmol Glucose, 5mmol Calculate the volumes of each stock solution and the volume of water needed to prepare 100ml of a single solution containing NaCl at 5.0mmol KCl at 2.5mmol CaCl2 at 40mmol Glucose at ...

Chemistry/maths
What mass of substance would be needed to prepare these solutions: 1) 400ml (cm3) at 5% weight/volume 2) 50ml (cm3) of NAOH at 10% weight/volume thanks

English Language
1.bread uncoventional 2.sack hired 3.peek pack 4.bare arilled 5.wrap unwrap 6.cent caulescent 7.cell cellular 8.knit direct 9.knot unravel 10.lead deficit there is such thing as opposites for this problem if you are looking for synonyms then ms.sue is right i looked on the int...

geography honors
im pretty sure its Georgia

literature
what are some active and passive voice verb example sentences

Chemistry 130
Can someone please help me and let me know if these questions and answers are correct? I just need a second opinion…and if there not correct can you help me…please?!? 1.(3). In the Arrhenius definition, an acid is a substance that a. turns litmus paper from blue to r...

astronomy
thank you

astronomy
The only important historical solar system object which has not yet been visited up close by satellite spacecraft is.. A) a comet or asteroid b) pluto c) neptune d) saturn's moon titan

history
what was the significance of reservation policy?

Physics
Suppose you are given the following equation, where xf and xi represent positions at two instants of time, vxi is a velocity, a is acceleration, t is an instant of time, and a, b, and c are integers. xf = xi ta + vxi tb + 1/2 ax tc For what values of a, b, and c is this equati...

Biology
first question is organelles

CHEMiSTRY PLEASE HELP
What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth?

chemistry
51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth? 71. You have a mixture of salt and sand that must be separated by using physical changes only. Describe what you would do to prepare dry samples of the two constituents...

Sci.
51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth? 71. You have a mixture of salt and sand that must be separated by using physical changes only. Describe what you would do to prepare dry samples of the two constituents...

chemistry
i need help in chem too. something similar

chemistry
thank you

social science
four elements of the consumer bill of right?

Chemistry130
Can someone please help me with this question? Propose a possible explanation as to why this trend exists. What characteristics of the elements lead to this trend? We are discussing Ionization energy! She's asking for characteristics like subatomic attractions, electron co...

algrebra
6-9(g+3)+6g

math
The volume of Fort Peck Dam is 96,050 X 1000m3. Suppose the state of Montana decides to increase the volume of the dam. After the improvements, Fort Peck will hold 10 times as many cubic meters. How many cubic meters will Fort Peck hold after the improvement.

math
What are the odds in favor of getting at least one head in three successive flips of a coin?

5th grade Math
What????????

CALC
Solve the Equation: 1. 2^x + 2^-x = 5 2. Log2x + log2(4 – x) = 0 thanks. i'm not sure how to approach this at all.

Calc
Find the x and y intercepts of the line: x/a + y/b = 2 thanks!

science-english
What does radioactive mean?

science-english?
What does radioactive mean???

Spanish 1
10.ha 11.hay 12.hay

Physics
Which is the strongest fundamental force acting between microscopic particles? A. Strong force B. Weak force C. Gravity D. Electromagnetic Force I think it's either A or D, but I'm not sure which.

english
OK im supposed to identify the part of speech of the word in brackets...A city must be planned [carefully], or people will not want to live in it. I think it is an adverb but im not certain.

science
how do we see black and white

Math - Algebra II
2 down. I'm having trouble here f(x) = 4x + 2 h(x) = -7x - 5 Find f(h(x)) I tried doing it how it was done above, but i'm not getting an answer listed. = f(-7x - 5) = 4x(-7x-5)+ 2 = 28x^2-20+2 = 28x^2-18 Where am I going wrong :| ? ALSO - f(x) = 4x-3 g(x) = x2-2 Find f...

Math - Algebra II
Thank you so much! I've been sitting here for hours. Only 4 to go. Thanks :)

Math - Algebra II
Hello, i'm currently doing functions and I was fine until I got to multiplication. I really don't know what i'm doing, and would really appreciate a step by step on a few questions. f(x) = -3x + 9 g(x) = 8x + 7 Find g(f(x)) I got -24x + 16. Another : f(x) = -3x + 9...

physics
what has more predictable behavior, a proton or an electron, and why? a. an electron because of its smaller mass b. a proton because of its larger mass c. an electron because it doesn't feel the nuclear force d. a proton because it doesn't feel the nuclear force e. an ...

Science-physics
I am learning about simple machines. What does high gear and low gear in bicycles mean? Please give a simple explanation.

chemistry
Many ionic compounds have high melting points because a lot of energy is required to break the strong ionic bonds. So after breaking the ionic bonds, the ionic compound becomes a liquid. How do you explain why the ionic compound also has high boiling point?

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