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October 24, 2014

Posts by jamie


Total # Posts: 772

Physics
A block on a spring moves in SHM with amplitude 0.23 m and period 3.8 s. The mass of the block is 2.1 kg. What is the total energy of the system?
June 24, 2012

Physics
Susie is out fishing on a calm, sunny day. She hooks an old tire that is resting on the lake bottom, and hauls it into her boat. In principle, how does the water level of the lake change?
June 24, 2012

Physics
Thanks
June 24, 2012

Physics
The hammer throw is a track-and-field event, popular in Scotland, in which a ball on a rope (the "hammer") is whirled around the thrower in a circle before being released. The goal is the send the ball as a projectile as far down the field as possible. At a track ...
June 24, 2012

Physics
A bouncing ball returns to the same height each time. Is this an example of simple harmonic motion? Explain your answer.
June 18, 2012

Physics
15.0 meters from a sound source that radiates freely in all directions, the intensity is 0.00230 W/m2. What is the rate at which the source is emitting sound energy?
June 18, 2012

Physics
Two waves travel in the same medium at the same speed. One has wavelength 0.0382 m and frequency 9.67×106 Hz. The other has wavelength 0.0486 m. What is the period of the second wave?
June 18, 2012

Physics
A shipwrecked mariner is stranded on a desert island. He seals a plea for rescue in a 1.00 liter bottle, corks it up, and throws it into the sea. If the mass of the bottle, plus the message and the air inside, is 0.454 kg, what percentage of the volume of the bottle is ...
June 17, 2012

Physics
A cylindrical metal can with a radius of 4.25 cm is floating upright in water. A rock is placed in the can, causing it to sink 0.0234 m deeper into the water. What is the weight of the rock?
June 17, 2012

Chemistry
Neon gas produced for use in luminous tubes comes packaged in 1.0-L containers at a pressure of 1.02 atm and a temperature of 24°C. How many moles of Ne do these cylinders hold?
June 17, 2012

Physics
A 0.95 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.8 m rod with uniform mass distribution runs along the y axis with its top end at the origin. Find the coordinates of the center of gravity for this system.
June 10, 2012

Physics
A dancer completes 3.8 revolutions in a pirouette. What is her angular displacement? In Rad.
June 10, 2012

Chemistry
Never mind figured it out!!! Now to work on the rest of my questions!! if anyone needed help on this just take off one H on the end and add a - so it would be CH3CH2CH2CH2CH2CO2-
June 9, 2012

Chemistry
One of the substances that give wet goats and dirty gym socks their characteristic odors is hexanoic acid, CH3CH2CH2CH2CH2CO2H, which is a monoprotic weak acid. (a) Write the formula for the conjugate base of this acid.
June 9, 2012

Chemistry
That is what I thought was the answer. I am taking classes online and each time I put the equation in the chemPad it tells me "Your answer contains an ambiguous or incomplete reaction equation. Check all the components on the product-side of the equation."
June 9, 2012

Chemistry
Iodine pentafluoride is an incendiary agent, a substance that ignites combustible materials. This compound is usually made by passing fluorine gas over solid iodine, but it also forms when iodine monofluoride changes into the element iodine and iodine pentafluoride. (a) Write ...
June 9, 2012

Chemistry
What is the molarity of a solution made by dissolving 32.654 g of aluminum sulfate, Al2(SO4)3, in water and diluting with water to 125.0 mL total?
June 9, 2012

Physics
How far is the center of mass of the Earth-Moon system from the center of the Earth? The Earth's mass is 5.97×1024 kg, the Moon's mass is 7.4×1022 kg, and the distance between their centers is 3.8×108 m.
June 4, 2012

Physics
The uniform sheet of siding shown has a centrally-located doorway of width 2.0 m and height 6.0 m cut out of it. The sheet, with the doorway hole, has a mass of 264 kg. (a) What is the x coordinate of the center of mass? (b) What is the y coordinate of the center of mass? ...
June 4, 2012

Physics
12 x 12
June 3, 2012

Math
2. The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in metres, L, through the equation T = 2π√(L/9.8) c. Graph this function for pendulums up to 20m in ...
May 28, 2012

Chemistry
How many mls of .1M KOH would it take to neutralize 75 mls of .07M CH3COOH?
May 20, 2012

accounting
On January 1, 2008 Touring company agreed to buy some equipment from Jones Company. Touring company signed a note,agreeing to pay Jones company $500,000 for the equipment on December 31, 2010. The market rate of interest for this note was 10%. a. Prepare the journal entry ...
May 2, 2012

Discreet MAth
Because the president saw the chocolate and he said chocolate and that is how its chocolate
May 2, 2012

Grammar basic English
Identify the preponsition in the folloing sentence: (You can't live your life hiding in your room all day.)
May 2, 2012

Chemistry - Equilibrium Constant
Determine the value of the equilibrium constant (Kp) at 800. K and 1 atm pressure. SbCl3(g) + Cl2(g) -> SbCl5(g) Delta G(o)f (SbCl5) = -334.34 kJ/mol Delta G(o)f (SbCl3) = -301.25 kJ/mol Delta H(o)f (SbCl5) = -394.34 kJ/mol Delta H(o)f (SbCl3) = -313.80 kJ/mol I got a K ...
April 26, 2012

physics
An athlete swings a 4.30 kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.790 m at an angular speed of 0.590 rev/s. (a) What is the tangential speed of the ball? m/s (b) What is its centripetal acceleration? m/s2 (c) If the maximum tension the ...
April 16, 2012

chemistry
what is the final molarity when 250ml 0.45M is mixed with 350mL water
April 2, 2012

Applied physics
two motorcycles of equal mass collide at a 90 deg. intersection. if the momentum of motorcycle A is 450 kg km/h west and the momentum of motorcycle B is 725 kg km/h south, what is the magnitude of the resulting momentum of the final mass?
March 31, 2012

physics
A person pushes a block up a frictionless incline at a constant velocity. The incline is 35o, and the mass of the block is 28 kg. If he only exerts a horizontal force, how much work does he do if the block travels 7 m along the incline?
March 24, 2012

physics
A high jumper wants to clear the bar at 2.1m. To do so he needs to raise his center of mass to a height of 2.4m. Assuming that air resistance can be neglected and his center of mass is 1.1m above the ground at take-off, determine the required vertical take-off speed.
March 24, 2012

pol science
Locate indiana stateÂ’s constitution and examine the major elements and articles of the constitution. Review its contents and functions. Search for information about the judicial, educational, and social service systems offered in indiana state and the funding ...
March 23, 2012

Chemistry
In a 1.760 M aqueous solution of a monoprotic acid, 3.21% of the acid is ionized. What is the value of it's Ka? x=1.760M * 3.21/100 - .0565M Ka expression is Ka= {[H+][A-]} / [HA]
March 18, 2012

Chemistry
Calculate the pH of 100.0 mL ofa buffer that is 0.070 M NH4CL and 0.130 M NH3 before and after the addition of 1.00 ml of 5.55 M HNO3. Before = ? After = ? I know the base is NH3 and the acid is NH4Cl!
March 18, 2012

history
thanks Ms. Sue! :)
March 17, 2012

history
So I'm doing a paper regarding the industrial revolution and the working class.. I need your opinion with regards to the idea that the working class is an important agent of change.. During the industrial revolution, why do you think the proletariat was an agent of change?
March 17, 2012

math
2) In a certain instant lottery game, the chances of a win stated as "3 in 23". Express the indicated degree of likelihood as a probability value between 0 and 1 3) A certain company reduced its management staff from 20 managers to 16. The company claimed that 4 ...
March 15, 2012

math
If a rubber band can be stretched to a circular shape that has a radius of 3.3 inches. How many 1.1 - mm diameter toothpicks of could fit within it? (1 inch = 25.4 mm)
March 13, 2012

Chemistry
What is the pH of a mixture formed by adding 51.0 ml of 2.5×10−2 M HCl to 140 ml of 1.5×10−2 M HI?
March 13, 2012

Chemistry
AgNO3+FeCl3 --> AgCl+Fe(NO3)3 In an experiment, it was planned to mix a solution containing 25 g of AgNO3 with another solution containing 45 g of FeCl3. a) What is the maximum number of moles of AgCl that could be obtained? I already found the limiting reagent, I just need...
March 9, 2012

Calculus
Determine the maximum and minimum value of the function f(x)=-xe^x + 2.
March 6, 2012

Algebra
My investment in website #1 stocks is losing half its value every 2 years. Find and interpret the associated decay rate. Round your answer to one decimal place. How do i find this? Do I use the half-life formula? Because I got it wrong I got 25% Thank you
February 29, 2012

History
(So, I have to agree or disagree with regards to the statement provided.. please comment on how I can make my answer better) Confirming Max Weber’s thoughts on the dynamics between religion, economics, and culture--Protestantism and urbanization had a mutual reinforcing ...
February 19, 2012

history
I mean.. Northern Europe! Not Western.
February 19, 2012

history
Can anyone explain to me how Max Weber’s thoughts on the dynamics between religion, economics, and culture can be related to Protestantism and urbanization in Western Europe? I know that according to Max Weber--religion, economics, and culture are intertwined with each ...
February 19, 2012

chemistry
Hey the mass of mercury is wrong its 13.534g/cm cubed
February 12, 2012

chemistry
Given density of Mercury, 200.59....how do I calculate for the mass of 33.5mL
February 12, 2012

Math
Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to 250. Its cost (in dollars) for a run of x hockey jerseys is C(x) = 2500 + 10x + 0.2x2 Domain(0 ≤ x ≤ 250) Gymnast Clothing sells the jerseys at $105 each. Find ...
February 11, 2012

Math
If you have a parallelagram ABCD, and line segment AB is on the left, can you read it as BA as well or is that backwards? Of if the alphabetical order was different and it was parallelagram PGAD, would you still only be able to read it as line segment PG or could it be GP as ...
February 11, 2012

Math
The Oliver Company plans to market a new product. Based on its market studies, Oliver estimates that it can sell up to 2,000 units in 2005. The selling price will be $5 per unit. Variable costs are estimated to be 20% of total revenue. Fixed costs are estimated to be $6,300 ...
February 10, 2012

Algebra
Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that is 10% protein?
February 9, 2012

Algebra
The backyard of a house is in the shape of a triangle. The longest side is 4 ft shorter than twice the shortest side. The third side is 4 ft less than the longest side. If the perimeter of the yard is 162 ft, what are the lengths of the sides?
February 9, 2012

math
(x-11)^1/2=3
February 8, 2012

math
1 year = 12 months therefore you would do 12 x 2 = 24 which makes m = 24
February 7, 2012

Math
Given h(r) = (1/r) + 2,find the following. a) h(0) b) h(-1) c) h(-3) d) h(x^2) e) h(x^2 + 1) f) h(x^2) + 1 Thank You
February 2, 2012

physics
A car starts at a position of x=6 ft and has a speed of 7 mph. After 24 s the car has a speed of 40 mph. Determine the magnitude of the car's average acceleration during this time.
January 31, 2012

business managment
4)D not A
January 30, 2012

business managment
1)c 2)b 3)b 4)a 5)b
January 30, 2012

business managment
1. In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist economy D. command economy 2. Efficiency can best be defined as A. the amount of output generated in a given amount of time. B. producing items ...
January 30, 2012

Business management class
3-pg41 4-pg22 16-pg48-49 21-pg81 23-pg76 25-pg47 here's were to find these answers april
January 30, 2012

math
(x) =pi/2-x g(x)= 5sinx/8+cos x find (gof)(pi/2) and (fof)(pi/2)
January 24, 2012

math
find the solution of the equation in [0,2pi) cos^2x-sinxcosx=0
January 24, 2012

math
find the solution of the equation in [0,2pi) cos^2x-sinxcosx=0
January 24, 2012

math
Owners of SUVs need to know the miles per gallon every month. Given the amount of money spent to fill the gasoline tank, the number of miles driven since the last time the tank was filled, and the price per gallon, develop a computational model that computes the miles per gallon.
January 24, 2012

English Lit-Never Mind I answered my own question
If it was an analogy it would have to be two word pairs like Chapter is to book as state is to nation??Correct?
January 13, 2012

English Lit-Please check
Does an analogy ever have "as" in it. I'm just trying to figure out figures of speech and I know Writeteacher told me "as" would be a simile but in the following: My brother has grown a great deal in the last year. He is almost as tall as I am now. This...
January 13, 2012

English Lit-Please recheck
Okay-so as an answer would it be an anlogy or a simile-I can only choose one from the list-I have to choose the best answer
January 13, 2012

English Lit-Please offer opinion
I asked this question yesterday but I thought of another possibility-I had to tell what figure of speeech And here we are as on a darkling plain Swept with confused alarms of struggle and flight Where ignorant armies clash by night By Matthew Arnold in Dover Beach Choices were...
January 13, 2012

English Lit-Please recheck
Could # 2 be an analogy-comparing one thing of two unseemingly related things-the world to the darkling plain? I just thtought of that as a possibility
January 12, 2012

English Lit-Please recheck
Isn't it comparing the plains to the world swept with alarms of struggle and flight that the world suffers in number 2 Do you have any suggestions what it might be? or is it a simile?
January 12, 2012

English Lit
I'm not great at identifying some of these figures of speech for English Please check my answers or offer suggestions 1."As flies to the wanton boys are we to the gods: they kill us for sport" Shakespeare for King Lear Is this a simile, metaphor, personification...
January 12, 2012

algebra 2 with trigonometry
what is the answer to the problem (6t-4)-(6t2+t-2)
January 5, 2012

math
A doctor needs to administer 2 mL of a 100 mg/mL solution to a 200-pound patient. However, the doctor has the solution available only in 20 mg/mL strength. What volume of the 20 mg/mL solution would be needed to administer the desired dose?
January 1, 2012

math essentials
$3,825.98 not much huh?
December 31, 2011

Astronomy
On the Vernal Equinox, you see the Moon in the Waxing Gibbous Phase at an angle of 45 degrees above the eastern horizon. What is the approximate local time? On the Autumnal Equinox, you see the Moon in the Waning Crescent Phase at an angle of 45 degrees above the western ...
December 17, 2011

trig
Write cot(t) in terms of sin(t) if the terminal point determined by t is in the first quadrant. Do not leave a fraction inside a radical or use absolute value.
November 28, 2011

Spanish
No, it is fine.
November 25, 2011

Spanish
1. ears 2. head 3. body 4. throat 5. fingers
November 25, 2011

Spanish
1.ojos=eyes 2.estomago=stomach 3. piernas= legs, pies= feet, and stomach 4. legs and feet 5. brazos= arms
November 25, 2011

English
A minimalist?
November 21, 2011

Math (algerbra)
How do i find the Gcf with veriables. For example. 15b^3c^2, 75ab^2c^3 (^ = exponent)
November 13, 2011

physics
Volume of solid in sample is 40% Density of sample = 2 (from informaton) If,for example, sample is 100cm3: Volume(solid)=40 cm3 (from above) Since density of rock is 5, therefore mass of rock (from 40 cm3)=200g Therefore density of sample=200/100=2 This verifies the above ...
November 10, 2011

Grade 11 U math
A 135-kg steer gains 3.5kg/day and costs 80 cents/day to keep. The market price for beef cattle is $1.65/kg, but the price falls by 1 cent/day. When should the steer be sold to maximize profit? Revenue= (Price/units)(#of units) Cost=(cost/unit)(# of units) + set costs Profit= ...
November 5, 2011

Math Grade 11 U
A water balloon is catapulted into the air so that its height, h, in metres after t seconds is h=-4.9t^2+25t+1.9. when is the ball 13 m high?
November 4, 2011

Math7
What is 7540/94710 in simplest form?
October 27, 2011

english
Which fits better in these sentences and why? Who/Whom painted that big mural in the post office. Do you know who/whom the secretary of state is?
October 26, 2011

CJS/240
list two pros and two cons of Uniform Crime Report (UCR) data information about occurrences of delinquency in the United States
October 24, 2011

Accounting
Prepare a schedule that lists the components of and calculates the personal and dependent exemption amount (based on current year exemption and dependency amount) that would be included on the Brock's individual tax return based on the following information: The Brock'...
October 16, 2011

Spanish-I forgot something
I had to change these into present progressive tense Yo escribo would be- Yo estoy escribiendo. Tu bebes un leche. would be Tu estas bebiendo un leche.(accent over u and a) Nosotros bailamos would be Nosotros estamos bailando.
October 3, 2011

Spanish
How would I say I prefer this papagayo because it is prettier than those papagayos? Would it be: Yo prefiero este papagayo porque es mas bonito que estos papagayos.
October 3, 2011

Physics
Engineering 100 Homework Problem #1 Below is a diagram of a beam supported on the left end by a pin connection, and toward the right side by a simple fulcrum. A force F is applied to the far right end of the beam as shown. The uniform beam has mass, m, length, l, and the ...
September 27, 2011

Math
They have changed the rules for resolution passage within the UN Security Council. It still takes all 5 permanent members to vote “for” a resolution, but it will now take a total of 11 “for” votes to pass. How many ways can a resolution pass?
September 23, 2011

Math Help
According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were placed into a drum and one (1) name was ...
September 22, 2011

grammar
A mixture of jazz and classical idioms, the music of Gershwin was more innovative than most of his contemporaries. Can somebody tell me what's wrong with this sentence and why? I don't understand. :(
September 18, 2011

Science
An animal has the genotype AaBbCcDD. Gene A is on chromosome 1, gene B is on chromosome 2, gene C is on chromosome 3, and gene D is on chromosome 4. What is the probability that this animal will produce ABCD gametes?
September 17, 2011

Social studies
You are an investor in the Virginia Company. In order to make a profit, you must encourage people to leave England and move to Jamestown. Create an advertisement describing two advantages of living in Virginia. Include the advantages in a catchy phrase and colorful picture. So...
September 14, 2011

Algebra(Check Please?)9nth Grade
For #5: I first divided both sides by 4 to then be: x+(-2y)=6.My answer from there was 2y=x-6 For #6: I got -1 also
September 7, 2011

Math
Thank you Ms. Sue
September 7, 2011

Math
Explain It: Which is greater, the greatest whole number with 5 digits or the least whole number with 6 digits? (I know the answer is the 'least whole number with 6 digits', but how can I explain it. Thanks!
September 7, 2011

math
A farm has cows and ducks. There are 78 feet and 27 hands. How many of each animal are there? How do you know?
August 21, 2011

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