Wednesday
January 18, 2017

# Posts by Sammie

Total # Posts: 99

physics
An automobile that has a mass of 1.3 x 103 Kg, has 3.9 x 105 J of kinetic energy when it has speed of 24.6 m s-1 (88.6 km h-1). What height should you lift the car to have this energy?
January 17, 2017

Science
Is it 1 and 4?
December 12, 2016

Science
Ms. Sue 1)T 2)F 3)F 4)T 5)T
December 12, 2016

Science
True or False 1) All living things must eat other living things for food. 2) Plants can make their own food. 3) Plants don't need oxygen, only carbon dioxide. 4) Animals eat plants or other animals that eat plants. 5) Many living things need oxygen to release energy from ...
December 12, 2016

algebra
how do i find the possible range of this measurement - 25 ft +(the plus sign is underlined) 1%
October 13, 2016

Math
How do I write the equation?
June 22, 2016

Math
Help please, one third of negative 18
June 22, 2016

Math
I need a little help please. 7/12 ____ = 1/3 The answer I came to is 1 3/4 is this correct?
April 18, 2016

Starcatcher
I belive Your correct
April 7, 2016

science
April 7, 2016

math
No solution. Duh
April 7, 2016

Science
I think your right
March 15, 2016

Algebra
The answer is no soultion
March 15, 2016

Social science
is it individual and group freedom?
March 5, 2016

political science
Is it Women making between 78% and 84% of what men make in their jobs?
March 5, 2016

political science
so basically women making less than men?
March 5, 2016

political science
The Lilly Ledbetter Fair Pay Act was passed by President Obama in 2007 in order to address what issue?
March 5, 2016

Physics
There are 2 point charges. Q1 is 4nC and is at (-2,0). Q2 is -2nC and is at (0,3). How much work does the electric field do when a third point charge of +3.00 nC is moved from infinitely far away and placed at the origin? I know infinitely far means Va will be 0. However ...
January 20, 2016

Curriculum Areas
Come on. We won't do it for you it's easy
December 3, 2015

PHYsics URGENT
a 7.0 kg object weighs 55 N when submerged and weighed in water. A) what is the value of the buoyant force of the water on the object b) what weight of water is displaced by this object? c) water weighs 0.0098 N per cubic centimeter. What volume of water (in cubic centimeters...
October 20, 2015

PHYsics 101
How much heat must be added to 4.00 kg of aluminum to cause its temperature to rise from 22°C to 252°C unit of answer must be Joule
October 20, 2015

Calculate the change in internal energy of a system if 25000 J of heat is added to the system while the system does 40000 J of work on its surroundings. Does this represent an increase or decrease of internal energy?
October 20, 2015

Physics
400 grams of a metal at 300 C is added to 100 grams of of water at 20 C. Assuming all the heat lost by the metal is gained by the water and that the final temperature or water and metal is 95 C, calculate the specific heat of the metal. Using grams and degrees C, the specific ...
October 20, 2015

PHYsics URGENT
the deepest part of the ocean is 10,900 meters deep. a) calculate the absolute pressure at that depth in units N/m^2. Use the mass density of sea water, 1030 kg/m^3. see part b for more info b) one atmosphere of pressure is about 1.013 X 10^5 N.m^2. How many atmospheres is the...
October 19, 2015

physics
how much heat must be added to 4.00 kg of aluminum to cause its temperature to rise from 22 degrees C? unit of answer must be joule
October 19, 2015

Chemistry
cube of aluminum that measures 5 cm on each side is added to a 500 ml- graduated cylinder containing 200 ml of water.  What is the new level of the water in the graduated cylinder after the cube of aluminum is added?
September 28, 2015

life orientation
Examine how each of the following are responsible for road accidents and propose practical solutions by the community to the competence of the drivers,substance abuse,pedestrians,cyclists and livestock
September 8, 2015

life orientation
Evaluate the effectiveness and ineffectiveness of the following government's initiatives to reduce road accidents in the country
September 8, 2015

Social Studies
Okay Thankyou!
May 28, 2015

Social Studies
I don't know. All it gives me is the key terms: Eli Whitney, Westward Expansion or Louisiana Territory
May 28, 2015

Social Studies
How did the development of the industry impact the expansion of the United States? Please help me I don't understand
May 28, 2015

Physics
Can someone please help me solve this question please: In the following position as a function of time equation, find the units of the constants A, B, and C. Where x is the position and has units of L, and v is velocity, and t is time.  x = Av + Bt^2 + C Thank you.
February 8, 2015

Math
Okay, Thank You.
October 7, 2014

Math
If I spoke to someone for 60 minutes and then spoke to them again for 41 minutes, would that mean I spoke to them for 1 hour 41 minutes? 60+41=101 minutes?
October 7, 2014

consumer math
You (or your parents) purchase a used car for \$15,876.00 plus 5.25% sales tax. The down payment is 10% of the total cost and you ( or your parents ) have an excellent credit rating. What is your principal balance at the start of the loan?
February 27, 2014

Statistics
Foofy says a deviation of +5 is always better than a deviation of -5. Why is she correct or incorrect?
February 2, 2014

Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78
February 2, 2014

Statistics
Assume that the data in question 25 reflect a highly skewed interval variable. (a) What statistics would you compute to summarize these conditions? (b) We compute them to be 14, 12, and 8.5, respectively. What conclusion about the study should you draw?(c) What conclusion ...
February 2, 2014

Statistics
In a normal distribution of scores, four participants obtained the following deviation scores: +1, -2, +5, and -10. (a) Which score reflects the highest raw score? (b) Which score reflects the lowest raw score? (c) Rank-order the deviation scores in terms of their frequency, ...
February 2, 2014

Physics urgent pls!
A ball is tossed from an upper-storey window of a building.The ball is given an initial velocity of 8 m/s at an angle of 20 degrees below the horizontal.it strikes the ground 3s later .(a) How far horizontally from the base of the building does the ball strike the ground? (b)...
February 22, 2013

Physics urgent
An archer shoots an arrow with a velocity of 45.0m/s at an angle of 50.0degrees with the horizontal.An assistant standing on the level ground 150m downrange from the launch point throws an apple straight up with the minimum intial speed necessary to meet the path of the arrow...
February 22, 2013

Physics help!!
An archer shoots an arrow with a velocity of 45 m/s at an angle of 50 degrees with the horizontal.An assistant standing on the level ground 150m downrange from the launch point throws an apple straight up with the minimum intial speed necessary to meet the path of the arrow. (...
February 18, 2013

Physics help!!
Thank's,i do appreciate ur help.
February 18, 2013

Physics help!!
A tire 0.500 m in radius at a constant rate of 200 rev/min.Find the speed and acceleration of a small stone lodged in the tread of the tire( on its outer edge).
February 18, 2013

Physics
Thank you...
February 17, 2013

Physics
A science student is riding on a flatcar of a train travelling along a straight horizontal track at a constant speed of 10.0 m/s.The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 degrees with the horizontal and to be in line ...
February 17, 2013

science
A tire 0.500 m in radius rotates at a constant rate of 200 rev/min. Find the speed and acceleration of a small stone lodged in the tread of the tire ( on its outer edge ).
February 17, 2013

Math
Wouldn't you multiply the 5 by 3 and the 3 by 5 because you're getting common denominators instead of adding?
September 25, 2012

Math (Algebra)
solve by factoring: 7y^2+12y+13=3y^2+4
July 25, 2012

Accounting
I have most of them done but would like to have these ones double checked... Please Help!!! 12. Research and development costs (R&D) are generally A. listed as "long-term assets" on the balance sheet. B. expensed and become part of the income statement. C. listed as...
July 9, 2012

algebra
joe is going to build a retangular lap pool. the perimeter of the pool will be 240 feet. the length of the pool will be 20 feet more than 3 times the width. find the length and width
January 18, 2012

Outline
But first can you tell me what recreation means in 6th grade language?
January 10, 2012

Outline
I know i'm getting annoying with all of these questions but I need help on one more. Can you give me a link to find the recreation of Port St Lucie?
January 10, 2012

Outline
never mind sorry, you were right, I was sadly wrong but thank you for caring.
January 10, 2012

Outline
Thank you, and 'Writeacher' I kind of meant something more like Port St Lucie's education not edcation in port st lucie.
January 10, 2012

Outline
Can you help me find a link on Port st lucie's education? PLEASE ANSWER IF YOU SEE THIS.
January 10, 2012

algebra
x+15=85
October 14, 2011

U.S history 8th grade
and thank you so much for the help you have given me, and used your time to helped me understand my worksheet! :-)
September 5, 2011

U.S history 8th grade
oh ok, its maybe how i read it that's maybe why :-)
September 5, 2011

U.S history 8th grade
and this question is weird to me: how were colony financed?
September 5, 2011

U.S history 8th grade
oh ok, well i will put your men and the men in my book... cause i won't get points off for that cause i don't know so i will talk to my teacher about it :-)
September 5, 2011

U.S history 8th grade
Ms.Sue~~ i reed the book like 5 times and says 2 names.... and they weren't those names
September 5, 2011

U.S history 8th grade
ok cause my U.S history book says someone else but the school books can be wrong, and thank you so much to both of you :-)
September 5, 2011

U.S history 8th grade
and i need the answer fast :\
September 5, 2011

U.S history 8th grade
who was the founder of roanoke island? that is the last question on my U.S history worksheet!!!!!
September 5, 2011

math
February 10, 2011

math
is the answer 4 times
February 10, 2011

math
is the answer 4X
February 10, 2011

math
a ball is dropped 128 feet from the roof of a building with each bounce the ball goes up exactly half its previous height. A man is sitting at his desk on the second floor. How many times will he see the ball if his eye level is 15 feet above the ground?
February 10, 2011

English
The questions says, he is always late unfortunately. Late is the word underlined. Is late an adjective ?
January 17, 2011

physics
A uniform 1.3-kg rod that is 0.80 m long is suspended at rest from the ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unstretched. Their spring constants are 60 N/m and 35 N...
December 1, 2010

science
Which planet by itself contains the majority of mass of all the planets? saturn jupiter uranus venus earth
November 23, 2010

Economics
Do government statisticians calculate GDP by simply adding up the total sales of all business firms in one year? Explain..
November 16, 2010

algebra
HELP!! It takes 64 inches of ribbon to make a bow and wrap the ribbon around a the box. The box takes 30 inches of ribbon. The width of the box is 12 inches. What is the height of the box?
November 3, 2010

algebra
How many black keys are there in one octave?
November 2, 2010

Chem2
The Ksp for Ag2SO4 is 1.1x10^-5. Calculate the standard free energy change for silver sulfate dissolution at 25 degrees.
October 19, 2010

Chem2
Copper(II) iodate precipitates from iodate solution. The formula of the precipitate is CU(IO3)2. A saturated solution of this substance was made in 0.01 M KLO3. The copper concentration was found to be 0.0013 M. Determine the [IO3-] and Ksp of the substance.
October 12, 2010

algebra
-20j+5
October 12, 2010

Physics
A circus performer juggling while standing on a platform 15.0-m high tosses a ball directly upward into the air at a speed of 2.0 m/s. If it leaves his hand 0.5 m above the platform, what is the ball's maximum altitude? If the juggler misses the ball, at what speed will it...
October 6, 2010

word problem
A 62 foot rope hangs from the top of a pole. When pulled taut to its fullest length the rope reaches a point on the ground 31 feet from the base of the pole. Find the height of the pole to the nearest tenth of a foot. Let p equal the height of the pole.
September 24, 2010

Chem 2
HNO3 ?
September 23, 2010

Chem 2
Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH
September 23, 2010

grammar
a predicate is one of the two main parts of a sentence the other being the subject, which the predicate modifies. so with that i think its "live in the cold"
September 23, 2010

Chemistry 2
Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH
September 22, 2010

Chemistry 2
thank you so much!
September 22, 2010

Chemistry 2
The pH of a 0.175 M aqueous solution of a weak acid is 3.52. What is Ka for this acid ?
September 22, 2010

Math
|x-4/2|-1 > or equal to 7
September 2, 2010

math
can you multiply unequal groups?
August 31, 2010

college
I have to write a paper 500-750 words addressing the following. (1)What are the essential components of a worldview. And (2)what is your personal worldview and how does it affect your decision making.On the second question i would like to know the definition of a worldview ...
July 29, 2010

103 intro to philosophy and ethics
I was asked why is a worldview a complex of various components and how do those components cohere?
July 28, 2010

culteral Diversity
E. integration
December 19, 2009

Science-9th
Which of the following are characteristics of all animals? A.multicellular, haploid cells that divide by mitosis, organisms with organ systems B.multistage zygote development, vertebrates, reproduce sexually C.99 percent invertebrates, heterotrophs, multicellular D.both a and ...
December 13, 2009

Calculus
So I have a function of two variables f(x,y)=y^x. where is this function continuous? I'm thinking that the only restriction that applies is y>0
September 26, 2009

Geometry
I have several questions, because my geometry final is tomorrow. I've completed most of the review, but can't seem to figure out these questions. It would be great if someone could tell me how to solve each equation. 1. Find the radius of the circle with the given ...
June 17, 2008

>>>>>>>>AP SCIENCE
What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?
May 28, 2008

Science
What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?
May 28, 2008

History
I don`t know the answer to this question. How did common criminals serve the NAZI Third Reich? I looked everywhere. I can`t find an answer. =[
November 26, 2007

science
a chemical change is when you cant see it hope this was helpful join the club i was stuck on this homework aswell...
October 21, 2006

orientalism of muslim and arab american
Looks like the beat is continuing, its 2009 and now I am looking for an answer, thanks for the input, from everyone, except dumbass.
August 6, 2006

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