Tuesday
June 18, 2013

# Homework Help: Art: Drawing

Physics
You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 45 N·m. Using the data in the drawing, determine the magnitude F of the force that you must exert on the wrench. Lenght of the wrench is ....
Monday, March 24, 2008 at 1:40pm

Physics
Lucky you have been commissioned to design a Bobsled Run for the new theme park Walrus of Fun going up in Anchorage, Alaska. You get a maximum of 1500 meters of track to work with. Except on the turns the coefficient of kinetic friction is .15. Here is what you need to have: ...
Monday, March 17, 2008 at 12:17am

Math Nightmare
I need help The design of a new airplane requires a gasoline tank of constant cross-sectional area in each wing. A scale drawing of a cross section is shown here. The tank must hold 5000lb of gasoline, which has a density of 42 lb/ft3. Estimate the length of the tank. Y0 = 1.5...
Thursday, March 13, 2008 at 11:06pm

Math
Lin draws a scale drawing of a miniature computer diode. She uses a scale of 1 in.=0.01 in. Lin's drawing is 7.5 inches wide. How wide is the computer diode? Do I take 7.5*0.01 and I would get =0.075 in. Could you tell me if I'm doing it correctly. Thank you.
Thursday, March 13, 2008 at 7:52pm

physics
A high-voltage line of length 175 m is carrying a current of 105 A at a point on the earth where its magnetic field is 5 * 10^(-5) T and points North,34 degree from the vertical axis. A) what is the magnitude and direction of the force on the wire if the current is flowing ...
Saturday, March 8, 2008 at 2:57am

English expression
In English alphabet, there are print type and Italic script. And each has capital letters and small letters. A. Looking at the capital alphabet in Italic script carefully, trace each alphabet. There are two four lines in A, and the alphabet are written on the four line dimly. ...
Saturday, March 8, 2008 at 1:42am

Physics
A high-voltage line of length 175 m is carrying a current of 105 A at a point on the earth where its magnetic field is 5 * 10^(-5) T and points North,34 degree from the vertical axis. A) what is the magnitude and direction of the force on the wire if the current is flowing ...
Thursday, March 6, 2008 at 8:57pm

english
sorry. my paper didnt post the first time. here u go. feel free to critique it to the fullest. keep in mind that this is an early stage, very early stage. thanks The Art of Drawing Drawing is a form of visual expression and is one of the major forms within the visual arts. ...
Tuesday, March 4, 2008 at 1:38pm

english
hi, i have an english assignment that is givin me a bit of trouble. it is an english paper that i have to right for my highschool englsih class. i can pick any topic i want, however chosing a suitable topic proved to be more than i expected. be it that it may, english is not ...
Tuesday, March 4, 2008 at 1:15pm

Physics
A* B* C* D* square of side 10 cm I tried my best to do the drawing. It is supposed to be a square, but each * is a point. The sides are 10 cm long. The problem asks for you to find the magnitude and the direction of the net gravitational force on mass A due to the other masses.
Monday, March 3, 2008 at 10:07pm

Shiv
Randall is playing a game that involves drawing a card from a deck. There are 10 cards numbered from 1 to 10. If Randall draws a card with a multiple of 3, he wins 5 points. If he draws any other card, he loses 3 points. What is Randall's expected point score when he draws...
Monday, March 3, 2008 at 9:55pm

math
what is the answer to this in scrabble, 2 of the 100 tiles are blank find the probability of drawing a blank tile from an entire set of scrabble tiles instructions find each probability. write your answer as a fraction, as a decimal, and as a precent thank you ashley
Monday, March 3, 2008 at 6:58pm

Physics
The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle (r = 11.2 m) as the carousel turns. The coefficient of static friction between the suitcase and the carousel is 0.760, ...
Monday, March 3, 2008 at 2:08pm

Microeconomics-Consumer & Producer Suplus Graphs
Can anyone help? I am trying the draw the following graphs for Consumer & Producer Suplus. I have made several attempts and I know I am not drawing them right. 1) The cost of producing stereo systems has fallen over the past several decades. A)Use a supply-and-demand diagram ...
Sunday, February 24, 2008 at 3:53pm

I dont think drawing a picture will help me drwls
Which expression is equivalent to tan theta-sec theta/sin theta? A)-cot theta B)cot theta C)tan theta-cot theta D)tan theta-sec^2theta just tell me what I need to know to set it up
Thursday, February 14, 2008 at 6:33pm

Math
A designer's architectural drawing has a room which is 1 3/4 by 2 5/8 inches. If the scale is 1 foot = 1/8 inch a) find the length of the longer side of the room feet b) find the length of the shorter side of the room feet
Monday, February 11, 2008 at 12:31pm

SraJMcGin
bonjour je suis étudiant français et j'aurais besoin de votre aide. C'est pour un questionnaire et je n'ai pas de correction. Pourriez vous me donner les vraies réponses quand vous aurez du temps libre svp. c'est à partir de la page ...
Thursday, January 31, 2008 at 1:57pm

Genetics
Hi can anyone help me answer these questions? I think I may have the right answer but not too sure, just want to make sure. And also could you please show how to draw these as I'm not sure my drawing is not done correctly. Thankyou! Using the forked-line method, determine ...
Wednesday, January 30, 2008 at 4:30pm

Data managment math
3:A basketball game in a league between the sharks and the jets was scheduled for thursday night. Only four players from the sharks showed up and so the jets, who had six players won by default, so the evening would not be spoiled ,the players arrieved four the game decided to...
Monday, January 28, 2008 at 12:11pm

Data managment math
1: What is the probability that at least two of the 12 councillors elected in the next municipal election will have the same birthdays on the same day? 2:Hoyda has 15 percent of the car market. If a random sample of 20 auto mobiles is conducted what is the probabilitity that (...
Sunday, January 27, 2008 at 12:14pm

physics
I have a drawing of a satellite orbiting the sun in an elliptical shape. The sun is closer to the right side of the ellipse. As the satellite travels from the left side of the ellipse to the right, the speed increases and the angular momentum remains constant. Why?????
Saturday, January 19, 2008 at 10:23pm

Grammar exercise check
Can somebody check my answers on this exercise? I'm horrible at this and I want to make sure if I'm doing it right. --------------------------------------- "Identify the gerunds or gerund phrases in the following sentences. Then, tell how each is used: as a ...
Wednesday, January 16, 2008 at 8:37pm

Physics
The hydrogen atom contains a proton, mass 1.67 10-27 kg, and an electron, mass 9.11 10-31 kg. The average distance between them is 5.3 10-11 m. The charge of the proton is the same size, opposite sign of the electron. a)What is the magnitude of the average electrostatic ...
Sunday, January 13, 2008 at 10:26pm

social studies (civics)
hi... i have to do a project and its about drawing a stamp for any of the amendments... i want to do a stamp on freedom of SPEECH..and i don't know what to do for it... i need suggestions..please...
Sunday, December 16, 2007 at 6:44pm

Math
I'm trying to calculate probablity of dependent and independent events. For example, from 3 nickels, 2 dimes, and 5 quarters, what is the probability of drawing 1 nickel, 1 dime, and 1 quarter in that order without replacement? Or drawing the same in any order with ...
Thursday, December 13, 2007 at 8:45am

nervous system
a drawing of the process of sensory experiences that result to behavior in your nervous system???......
Saturday, December 8, 2007 at 1:48am

physics
A diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck position. After he leaves the diving board (with some unknown angular velocity), he pulls himself into a ball as closely as possible and makes 2.16 complete rotations in 1.31 s...
Tuesday, December 4, 2007 at 12:17pm

Am I correct on this question (accounting)
The question is: which accounts normally require an adjusting entry: Choices to choose from were: Salaries payable, Land, Dana Cates Drawing, Accumulated Depreciation, Unearned Rent and Supplies. The ones that i chose for the question were: Salaries Payable, Accumulated ...
Sunday, December 2, 2007 at 1:05am

Accounting
A business pays weekly salaries of \$20,000 on Friday for a five-day week ending on that day. The adjusting entry necessary at the end of the fiscal period ending on Thursday is: debit Salaries Payable, \$16,000; credit Cash, \$16,000 debit Salary Expense, \$16,000; credit Drawing...
Thursday, November 29, 2007 at 10:21pm

Physics
A stream of water strikes a stationary turbine blade, as the drawing illustrates. The incident water stream has a velocity of +18.0 m/s, while the exiting water stream has a velocity of -18.0 m/s. The mass of water per second that strikes the blade is 73.0 kg/s. Find the ...
Thursday, November 29, 2007 at 4:17pm

math
Maria's yard is 40ft x 28ft 9in. She made a scale drawing of her yard that is 16in x 11.5in. what is the scale.
Wednesday, November 28, 2007 at 7:12pm

CHEM
If NO3- has 3 resonance structures, but only one has to be written, where does the extra electron, making there then be 24 electrons, go if you cannot put brackets around the structure you are drawing? Do you put -1 on both of the singly bonded Oxygens?...or where should the ...
Monday, November 26, 2007 at 2:25am

math
You want to produce a scale drawing of your living room, which is 24 ft by 15 ft. If you use a scale of 4 in=6 ft, what will be the dimensions of your scale drawing. I think the dimensions are 16 ft by 10 ft. Is this right?
Saturday, November 24, 2007 at 11:30am

math
You want to produce a scale drawing of your living room which is 24 ft by 15 ft. IF you use a scale of 4 in+ 6 ft, what will be the dimensions of your scale drawing? I think it's 4 ft by 2.75 ft. Is this right?
Friday, November 23, 2007 at 4:01pm

Physics
This is probably a really easy question, but I just don't know how to set it up. An object in equilibrium has three forces exerted on it. A 33 N force acts at 90 degrees from the x-axis and a 44 N force acts at 60 degrees. What are the magnitude and direction of the third ...
Monday, November 12, 2007 at 10:51pm

chem repost!
when drawing molecular shapes, how do you decide which atoms go on axial or equtorial? (the more electronegative goes on _____) please help, my textbook confuses me with exmaples that follow both sides!
Sunday, November 11, 2007 at 3:43pm

chemistry
when drawing molecular shapes, how do you decide which atoms go on axial or equtorial? (the more electronegative goes on _____)
Sunday, November 11, 2007 at 2:12pm

statistics
Find the probability of drawing a flush in 5-card poker.
Saturday, November 10, 2007 at 9:46am

Physics
A solid cylinder (radius = 0.150 m, height = 0.120 m) has a mass of 7.00 kg. This cylinder is floating in water. Then oil ( = 725 kg/m3) is poured on top of the water until the situation shown in the drawing results. How much of the height of the cylinder is in the oil?
Tuesday, November 6, 2007 at 11:38pm

Japanese (extramural: linguistics/culture/history)
Hallo, my name is Joshua. I'm currently doing my matric in south africa, which is most unfortunate, because south africa doesn't have much to offer in terms of "foreign languages/culture." (Moving to england in a month. Perhaps it has more to offer^^) I am ...
Saturday, November 3, 2007 at 6:02am

science
do you know where I can find an actual diagram/drawing of a structure of an atom I need to make one for helium
Saturday, November 3, 2007 at 12:31am

Physics
Two metal beams are joined together by four rivets, as the drawing indicates. Each rivet has a radius of 5.0 10-3 m and is to be exposed to a shearing stress of no more than 4.6 108 Pa. What is the maximum tension T that can be applied to each beam, assuming that each rivet ...
Saturday, November 3, 2007 at 12:24am

maths
I have an illustration in my book of a quadrilateral inside a circle. The quadrilateral is ABCD; AB is a vertical line and then AC and BD are the same length, but AC slopesd downward and BD upwards. Finally, there's CD; it's not vertical, as it slopes upward from D to ...
Thursday, October 25, 2007 at 9:17pm

Physics
Four penguins are being pulled along very slippery (frictionless) ice by a curator. The masses of the three penguins are given below and so are two of the tensions. Find the penguin mass that is not given. 12kg---Unknown--111N--15kg---20kg--222N After drawing the free-body ...
Thursday, October 18, 2007 at 10:29pm

the paper delivery boy tires to throw the paper ubti your narrow driveway without slowing down. his pickup truck travels at 10 mph and he throws the paper at 20 mph just as the truck passes the drive way. a) in what direction should he throw the paper in order for it to land ...
Thursday, October 18, 2007 at 1:32am

Algebra
Still need help on this one Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5).
Monday, October 15, 2007 at 10:39pm

Algebra
Two more Algebra questions : Having some difficulty with these. Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5). I have half a ...
Monday, October 15, 2007 at 9:18pm

Algebra
Two more Algebra questions : Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5). I have half a solution to this one: Solve the system of ...
Monday, October 15, 2007 at 5:56pm

Physics
The drawing shows two surfaces that have the same area. A uniform magnetic field B fills the space occupied by these surfaces and is oriented parallel to the yz plane as shown. If = 17°, find the ratio xz/ xy of the magnetic fluxes that pass through the surfaces.
Thursday, October 11, 2007 at 6:11pm

Physics
A uniform plank of length 5.1 m and weight 235 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 458 N walk on the overhanging part of the plank before it just begins to ...
Monday, October 8, 2007 at 7:28pm

science(chem)
For the reaction: acetic acid (2g) + Isopentyl alcohol (0.9g) => Isopently acetate(1.15g)+ H2O I'm suposed to determine the limiting reagent, theoretical yield and percent yield from this reaction but the reaction was given as a picture... I'm not sure about the ...
Monday, October 8, 2007 at 12:26am

Physics
A stone has a mass of 3.0 10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.86. When the tire surface is rotating at 10 m/s, the stone flies out of the ...
Sunday, October 7, 2007 at 1:43pm

Help with introduction
Sorry, about the other post.. I didn't know I wasn't going to be able to put more information in the question. Well the thing is I am doing the VFW essay for my history class. We are suppose to write about "My role in honoring America's veterans" but I&#...
Saturday, October 6, 2007 at 12:42am

anthropology
what can be an example of global apartheid? like something recent that has been going on...im kinda drawing a blank =[ thanks
Thursday, October 4, 2007 at 4:10pm

math
A company is considering implementing one of two quality control plans for monitoring the weights of automobile batteries that it manufactures. If the manifacturing process is working properly, the battery weights are approximatedly normally distributed with a specified mean ...
Wednesday, October 3, 2007 at 9:37pm

math
How do you figure out the slope without drawing the graph? I kinda forgot. I have a chart with data, and I need to know the slope please help thank you
Wednesday, October 3, 2007 at 8:21pm

math
If your drawing a sine graph and you have to mark the point sine(65, how do you figure out where the point goes? (The sine graph goes up to 1)
Sunday, September 30, 2007 at 8:29am

Chem drawing
how would I draw this compound? 2-bromo-6-chloro-4,4-dimethylheptane I've tried it again and again but I can't seem to get the Cl on the 6th carbon while still having a 6 carbon chain of heptane I drew it so that it was CH3 CBr CH2 CCH3CH3 CH2 Cl I just can't ...
Saturday, September 29, 2007 at 9:52pm

Science (Physics)...........F=ma and tension.
2 crates shown in the figure below are on a horizontal frictionless surface. The woman is wearing golf shoes for traction as she applies a horizontal force of F= 50.0 N to the 6.00kg crate. The ropes are of negligible mass. Smaller box weighs 4.00kg a) draw a free body diagram...
Saturday, September 29, 2007 at 9:14pm

art
what is 2 point perspective? Is it drawing an object that has an agle facing straight outwards?
Saturday, September 29, 2007 at 12:23am

Reposted Question /Reading & Writing and exposure
I have asked this question and was told to use my own judgement because either answer could be correct. I can only select one answer. I am reposting the question in hopes that someone else can give me some input. Hannah's mother said, "Hannah is such a penil-and-paper...
Sunday, September 23, 2007 at 8:03am

Physics repost clarification
Find the current in the 10.0 ohm resistor in the drawing (V1 = 21.0 V and R1 = 27.0 ohms). I will attempt to explain the diagram again. The drawing shows 2 parallel lines labelled as follows: A------------B-------------C D------------E-------------F A and D are connected. C ...
Wednesday, September 12, 2007 at 1:13pm

Physics - Repost
I am reposting the this question. Find the current in the 10.0 ohm resistor in the drawing (V1 = 21.0 V and R1 = 27.0 ohms). The drawing is in the shape of a rectangle that has one straight line down the center. On the left top line is R1; on the right top line is 5.0 ohm; on ...
Tuesday, September 11, 2007 at 11:18pm

Physics
Please Help!!!! Find the current in the 10.0 ohm resistor in the drawing (V1 = 21.0 V and R1 = 27.0 ohms). The drawing is in the shape of a rectangle that has one straight line down the center. On the left top line is R1; on the right top line is 5.0 ohm; on the line in the ...
Monday, September 10, 2007 at 11:11pm

Physics repost
Posted by Mary on Monday, September 3, 2007 at 7:11pm. download mp3 free instrumental remix The drawing shows four point charges. The value of q is 2.4 µC, and the distance d is 0.86 m. Find the total potential at the location P. Assume that the potential of a point ...
Tuesday, September 4, 2007 at 10:08pm

Physics
The drawing shows four point charges. The value of q is 2.4 µC, and the distance d is 0.86 m. Find the total potential at the location P. Assume that the potential of a point charge is zero at infinity. This is a question of electric potential difference created by point...
Monday, September 3, 2007 at 7:11pm

science (chem)
I have a problem drawing this formula. CH3CH2CH2CH(CH3)CCCH3 The problem is the 2 c's next to each other. I don't know what that's supposed to look like since if it's 1 CH like with the bracketed CH3 it would be connected to that C but I'm confused as to ...
Friday, August 31, 2007 at 10:01pm

Physics
I don't really understand this aspect of physics yet, I need help understanding these problems. Problem One: Two particles, with identical positive charges and a separation of 2.00 10-2 m, are released from rest. Immediately after the release, particle 1 has an ...
Friday, August 31, 2007 at 3:27pm

English / Fallacies
Is this one is a drawing the line fallacy? Letter to the editor: "Andrea Keene's selective morality is once again showing through in her July 15 letter. This time she expresses her abhorrence of abortion. But how we see only what we choose to see! I wonder if any of ...
Tuesday, August 28, 2007 at 3:54pm

science
There are many tooth whitening products on the market from what I've seen. And also available in treatments from the dentist as my aunt is a dentist so I know. But I don't know why I haven't thought of this from day 1. I saw an ad recently for Listerine whitening ...
Tuesday, August 7, 2007 at 8:25pm

Hello, I need help with this question please ... My anwser is #2, is that correct? Thank You Your creating a color drawing outdoors at a time of day when the sun produces high- contrast light and many shadows. Which of these makes up an appropriate palette for drawing the ...
Tuesday, August 7, 2007 at 12:09am

math (trig)
Find sin(x/2) if sin(x)= -0.4 and 3pi/2 < or equal to (x) < or equal to 2pi Let's use cos 2A = 1 - 2sin2 A and we can match cos x = 1 - 2sin2 (x/2) so we will need cos x we know sin x = -.4 and x is in the fourth quadrant, so the cosine will be positive. Drawing a ...
Sunday, July 15, 2007 at 11:51pm

math,help & correction
the question asks: How many 5-card poker hands consisting of 2aces and 3 kings are possible with an ordinary 52-card deck? this is what i did: "c"=stands for combination (4C2) * (4C3) = 6*4 = 24 (52C5) = 259860 so then i divided : (24)/(259860)= 9....
Sunday, July 15, 2007 at 4:12pm

pre-algebra
I need to figure out how to convert 11inches to the actual length of 550 to scale. Please help 550 what? miles? feet? inches? If you want 550 of some length unit to be represented as 11 inches on a map or scale drawing, divide all lengths by 50.
Monday, July 2, 2007 at 8:45pm

math,help
what formula do i use for the following problem: which of the following investments is larger after 19years? a) \$7500 is deposited annually and earns 4.5% interest compounded annually. b)\$600 is deposited monthly and earns 4.5% interest compounded monthly. Does he deposit the ...
Saturday, June 30, 2007 at 11:28am

Physics- sound
As the drawing shows, the length of a guitar string is 0.628 m. The frets are numbered for convenience. A performer can play a musical scale on a single string, because the spacing between the frets is designed according to the following rule: When the string is pushed against...
Monday, June 18, 2007 at 8:52pm

OChem Nomenclature
Here is a compound that I am trying to name... H H \ / C || CH3-CH2-C-CH2-CH2-CH2-CH3 I came up with 3-methylheptene, but the answer says 2-ethyl-1-hexene. Can someone please explain why I'm wrong? Thanks that showed up wrong - the methyl with the double bond should be on ...
Wednesday, June 13, 2007 at 11:30pm

physics
A wrecking ball (weight 4140 N) is supported by a boom, which may be assumed to be uniform and has a weight of 2550 N. As the drawing shows, a support cable runs from the top of the boom to the tractor. The angle between the support cable and the horizontal is 32 degrees, and ...
Saturday, June 9, 2007 at 12:54pm

maths
from a batch of 10 eggs 3 are rotten.2 eggs are selected in succession.Find the probability that(a)both are rotten (b)only 1 is rottewn and at least 1 is fresh. b) Probability(1rotten, 1fresh)=3/10*7/9 Notice how the probabality after drawing one rotten, the fresh egg ...
Wednesday, June 6, 2007 at 8:53am

MATHS
a bag contains 8 identical balls of which 5 are yellow and 3 are white.1 ball is removed,its colour is noted and is replaced in the bag.a second ball is drawn.by drawing a table,find the probability(a)both balls are yellow(b)both are white (c)only 1 is white. Both yellow=(5/8...
Wednesday, June 6, 2007 at 8:51am

physics, torque
A crane shown in the drawing is lifting a 170-kg crate upward with an acceleration of 1.8 m/s2. The cable from the crate passes over a solid cylindrical pulley at the top of the boom. The pulley has a mass of 130 kg. The cable is then wound onto a hollow cylindrical drum that ...
Monday, June 4, 2007 at 12:35pm

PHYSICS
The drawing shows a large cube (mass = 34 kg) being accelerated across a horizontal frictionless surface by a horizontal force P. A small cube (mass = 3.3 kg) is in contact with the front surface of the large cube and will slide downward unless P is sufficiently large. The ...
Monday, June 4, 2007 at 7:07am

physics
A uniform plank of length 5.6 m and weight 203 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before it just begins to ...
Friday, June 1, 2007 at 7:31pm

Managerial Economics
Looking at controlling government roles in managing health risks in society it faces from exposure to environmental pollution. One major problem that was examined was the cleanup of hazardous waste sites. Some people were extremely critical of policymakers who wish to see ...
Friday, May 25, 2007 at 9:42am

Managerial Economics
I need help with understanding this analysis. Suppose you are a stock market analyst. At Disney tourism has slowed down in the US. But at Six Flage two new rides are now operating. Using demand and supply analyss, predict the impact of these events on ticket prices and ...
Thursday, May 24, 2007 at 11:26pm

Math
How can I determine a value of gradient from a graph if the line is curved. (not a straight line) This is where Calculus comes in If a graph is a curve, then the gradient (slope) of the curve is the slope of the tangent that you draw at a particular point on that curve. You ...
Tuesday, May 22, 2007 at 9:17pm

Public Policy
Drawing on the courses in the public policy stream of the curriculum, answer the following question. Assume you have been asked to set up a policy analysis unit in the state of Ohio. The unit will report directly to the Governor and will be responsible for the analysis of the ...
Tuesday, May 8, 2007 at 12:58am

Physics
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary f3 ' ' ' f1 ------&...
Monday, May 7, 2007 at 11:23pm

Physic
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary f3 ' ' ' f1 ------&...
Monday, May 7, 2007 at 12:37pm

physics
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary I assume this is what I just ...
Monday, May 7, 2007 at 12:29pm

can some pleas edit my essay? thanks!
A revolution is an overthrow of the government or politic system by the people who they govern. Violence is an act of aggression and anger. Violence is never the way for justice; but according to a reactionary violence is the way. They argue violent revolutions are justified ...
Wednesday, May 2, 2007 at 4:27pm

maths pleaaaase
The point X and Y are 8cm apart Draw a scale drawing of the diagram and draw the locus of points that are equidistant from both points X and Y what do they mean by equidistant Equidistant means the same distance. I'm not a teacher, but I would imagine that all points ...
Wednesday, May 2, 2007 at 1:02am

math
can I any one help me to find a formula to calculate 401K plans for my project? Thanks Compound Interest With compound interest, the interest due and paid at the end of the interest compounding period is added to the initial starting principal to form a new principal, and this...
Monday, April 30, 2007 at 10:55pm

ALGEBRA 1
Please check for me.Without drawing the graph of the given equation determine (a)how many x-intercepts the parabola has (b)whether it vertex lies above, below or on the axis. 1. y=x^2-5x+6 I use the determinant sqrt b^2 -4ac (-5)^2-4(1)(6))=1 There are two real numbers The ...
Tuesday, April 24, 2007 at 9:48pm

A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 4000 N/m. The piston has a negligible mass and a radius of 0.022 m. (a) When air beneath the piston is ...
Tuesday, April 24, 2007 at 9:06pm

A lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.280 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0.210 kg cup of coffee. Obtain the force T exerted by the ...
Tuesday, April 24, 2007 at 9:00pm

A lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.280 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0.210 kg cup of coffee. Obtain the force T exerted by the ...
Tuesday, April 24, 2007 at 4:34pm

Physics
A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 4100 N/m. The piston has a negligible mass and a radius of 0.023 m. (a) When air beneath the piston is ...
Tuesday, April 24, 2007 at 2:51pm

ALGEBRA 1
Please check for me.Without drawing the graph of the given equation determine (a)how many x-intercepts the parabola has (b)whether it vertex lies above, below or on the axis. 1. y=x^2-5x+6 I use the determinant sqrt b^2 -4ac (-5)^2-4(1)(6))=1 There are two real numbers The ...
Tuesday, April 24, 2007 at 1:34pm

chem - dry ice activity
does the dry ice disappear more quickly in air or in water? can you explain why? supplement your explanation with a drawing of molecular behavior based on kinetic molecular theory What do you think and why? We shall be happy to critique your thoughts. The dry ice disappears ...
Sunday, April 22, 2007 at 9:46pm

Physics
A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 85 kg. A person pushes on the outer edge of one pane with a force of F = 63 N that is directed perpendicular to the pane. Determine the magnitude of the door's ...
Sunday, April 22, 2007 at 4:46pm

sociology
Is modernization a world-wide trend? Yes. Using the definitions of modernization in this site, it's clear that people want to modernize. http://dictionary.reference.com/browse/m​odernization However, what is modern to some people may not seem modern to other people ...
Friday, April 20, 2007 at 5:55pm

English
Has anyone read the book Girl in Hyacinth Blue by Susan Vreeland? If you have I need to draw a picture for each chapter to represent that chapter. Help? I haven't read this book, but drawing a picture for each chapter shouldn't be that difficult if you've read it. ...
Sunday, April 15, 2007 at 1:52am

Physics HELP!!!!!!!!
The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 29°C the air gap between the rods is 2 x 10^-3 m. At what temperature will the gap be closed? The length of the brass rod is 2.0m The lenght of the aluminum rod is 1.0m The ...
Saturday, April 14, 2007 at 2:09am

Art
When teachers discuss the elements of art with students, they may say which? 1. "That's so pretty." 2. "I like that picture." 3 "What's that?" 4. "What strong lines your drawing has." wouldn't the correct answer be #4? Number...
Tuesday, April 10, 2007 at 7:50pm

Art Question
Which activity masquerades as creative art? 1. coloring photocopied sheets. 2. drawng and framing a picture for a holiday craft. 3. drawing flowers by observing them closely. 4. encouraging students to copy upside-down pictures. I'm pretty sure it's coloring ...
Sunday, April 8, 2007 at 9:35pm

Art Question
When children draw cross-sections of plants, they are: 1. intergrating science and art (Or) 2. intergrating mathematics and science Lordy. Surely you have some thinking on this, this question hardly stimulates the cerebral cortex. Did you mean integrating? Intergrating is ...
Saturday, March 31, 2007 at 8:18am

Calculus
Consider the following problem: A farmer with 810 ft of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total are of the four pens? your drawing should look like this...
Thursday, March 29, 2007 at 11:55pm

chemistry
I am totally lost on this one. 1,2,2-trimethylcyclopentane I think I have to draw the cyclopentane shape with the single bond going straight CH3 and I am lost from there. Draw the cyclopentane as a 5-cornered box. C-C |  | C  C  \  /   C Start numbering...
Thursday, March 29, 2007 at 11:34pm

physics
If a wave travels toward a barrier where the end is not fixed and reflects describe in either words or a drawing what the reflected wave will look like. You can see in an animation what happens at: http://www.kettering.edu/~drussell/Demos​/reflect/reflect.html There is ...
Thursday, March 29, 2007 at 9:20am

physics
A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 95 kg. A person pushes on the outer edge of one pane with a force of F = 80 N that is directed perpendicular to the pane. Determine the magnitude of the door's ...
Thursday, March 29, 2007 at 5:15am

A bowling ball encounters a 0.76 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. If the translational speed of the ball is 3.60 m/s at the bottom of the rise, ...
Wednesday, March 28, 2007 at 1:25pm

physics
lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.240 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0.300 kg cup of coffee. Obtain the force T exerted by the ...
Wednesday, March 28, 2007 at 12:52pm

Statistics
3 students will represent your school at a conference at the state capital. A drawing will be held to select the 3 representatives from a group of 5 finalsts. If you and your friend are both finalists, what are the chances that both of your names will be drawn? Is it 2 out of ...
Wednesday, March 28, 2007 at 10:23am

Animal Art
1. Which of the following statements regarding the use of pastels with other mediums is true? A. Pastels should never be used for accents in a watercolor painting. B. An artist can effectively add charcoal over a pastel rendering. C. Pastel tends to deaden the appearance of ...
Tuesday, March 27, 2007 at 4:01pm

A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 88 kg. A person pushes on the outer edge of one pane with a force of F = 53 N that is directed perpendicular to the pane. Determine the magnitude of the door's ...
Monday, March 26, 2007 at 12:53am

Math
At a fair run by a local charity organization, it costs 50 cents to try one’s luck in drawing an ace from a deck of 52 playing cards. What is the expected profit per customer, if they pay \$4 if and only if a person draws an ace? I answered the identical question for ...
Sunday, March 25, 2007 at 9:49am

Math
At a fair run by a local charity organization, it costs 50 cents to try one’s luck in drawing an ace from a deck of 52 playing cards. What is the expected profit per customer, if they pay \$4 if and only if a person draws an ace? The probability of drawing an ace is 4/52 ...
Saturday, March 24, 2007 at 9:18pm

Physics
I have no idea of how to solve this problem. Please help. lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.200 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0....
Thursday, March 22, 2007 at 10:17pm

Physics
Can someone please give me some insight on how to work this problem? A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 85 kg. A person pushes on the outer edge of one pane with a force of F = 63 N that is directed ...
Wednesday, March 21, 2007 at 7:59pm

Physics
Equate the increase in potential energy at the higher elevation, M g H, to the decrease in kinetic energy. Make sure you include the kinetic energy of rotation, which is (1/2) I w^2. For a sphere of radius R, V = R w and I =(2/5) I R^2 Therefore KE(rotational) = (1/2)(2/5)M R^...
Wednesday, March 21, 2007 at 12:24pm

Physics
A bowling ball encounters a 0.76m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. If the translational speed of the ball is 3.80m/s at the bottom of the rise, ...
Wednesday, March 21, 2007 at 11:34am

Physics
A uniform plank of length 5.5 m and weight 219 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 447 N walk on the overhanging part of the plank before it just begins to ...
Wednesday, March 21, 2007 at 9:40am

Chemistry
Please help! Complete equation by drawing structural formula(e) of the product(s). CH2=CH-CH-OH + CH3-CH-CH2-C =O CH3 CH3 -OH You will have to imagine the bonds as I can't draw vertical or diagonal lines! There are too many possibilities to imagine what you are trying to ...
Tuesday, March 13, 2007 at 9:09pm

Chem
Reaction 1 ............................O ...........................// CH2=CH-CH-OH + CH3-CH-CH2-C ........|...........|......\ .......CH3.........CH3......OH Left of the "+" is COMPOUND 1 and the right is COMPOUND 2. a) Identify the Functional groups in compounds 1 ...
Monday, March 12, 2007 at 2:36pm

Chemistry s103 Q5
struggling to get this to come out right: Compound 1 CH2=CH-CH-OH | CH3 + Compound 2 O || CH3-CH-CH2-C | OH | | ? (i) identify any functional groups in compounds 1 & 2 by circling them and naming them clearly. (ii) complete the equation for reaction 1 by drawing the ...
Thursday, March 8, 2007 at 3:12pm

Chemistry
Compound 1 Compound 2 O || CH2=CH-CH-OH + CH3-CH-CH2-C | | | CH3 CH3 OH | | ? (i) identify any functional groups in compounds 1 & 2 by circling them and naming them clearly. (ii) complete the equation for reaction 1 by drawing the abbreviated structural formula(e) of the ...
Thursday, March 8, 2007 at 3:09pm

chemistry
I'm drawing a Lewis structure for hydrogen cyanide using nitrogen with a valency of 3. Would I still need 2 dots after the N or would this represent nitrogen valency 5? You need the two extra electrons for N at the end. Only the electrons involved BETWEEN the elements are ...
Thursday, March 8, 2007 at 9:22am

s103
Reaction 1 O ll CH2=CH-CH-OH + CH3-CH-CH2-C l l l CH3 CH3 OH compound 1 compound 2 Products? identify any functional groups in compounds 1&2, circle them and name them clearly? complete the equation for reation 1 by drawing the abbreviated structural formula, of the products, ...
Wednesday, March 7, 2007 at 5:16am

s103
Reactants O ll CH2 = CH - CH - OH + CH3 - CH - CH2 - C l l l CH3 CH3 OH compound 1 compound 2 Products? identify any functional groups in compounds 1&2, circle them and name them clearly? complete the equation for reation 1 by drawing the abbreviated structural formula, of ...
Wednesday, March 7, 2007 at 5:13am

Chemistry
Compound 1 / Compound 2 / O " CH2 = CH - CH - OH + CH3 - CH - CH2 - C ' ' ' CH3 CH3 OH i) Identify any functional groups in Compounds 1 and 2 and name them. ii) Complete the equation for reaction 1 by drawing the abbreviated structural formula(e) of the ...
Monday, March 5, 2007 at 1:32pm

S103 - Discovering Science
Is anyone Studying S103-Discovering Science. On TMA 6 blocks 7-8, having a little trouble can anyone Help Rather than using abbreviations, could you give us more details about your problem? This would help us to help you. I hope this helps a little. Thanks for asking. a) ...
Monday, March 5, 2007 at 12:31pm

chemistry
I require assistance with the drawing of the lewis structures for hydrogen cyanide and cyanogen. I have already drawn the structured molecular formulas and am now stuck. H:C:::N: :N:::C:C:::N:
Monday, March 5, 2007 at 12:20pm

polymerization of alchohol
CH2=CH-CH-OH | CH3 when the above compound undergo polymerizaing What is the polymer and the structure of the polymer obtained drawing should show three monomer unit. also include what type of polymerization involved in forming this polymer
Thursday, March 1, 2007 at 12:51pm

The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.021 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.041 kg and is initially at rest. The collision is not head-...
Wednesday, February 28, 2007 at 11:55pm

Physics, still don't get it!
The drawing shows a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at its end, which is h = 0.52 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
Wednesday, February 28, 2007 at 7:39pm

Physics
The drawing shows a plane diving towards the ground and then climbing back upward. During each of these motions, the lift force L acts perpendicular to the dispacement s, which has the same magnitude of 2.8 103 m in each case. The engines of the plane exert a thrust T, which ...
Tuesday, February 27, 2007 at 10:37pm

Physics
The drawing shows a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at its end, which is h = 0.52 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
Saturday, February 24, 2007 at 12:37am

Math
1) Which of the following ingegers can not represent the lengths of the sides of a triangle? (9,10,11) (4.7,9) (4,8,12) & (6,6,11) Try drawing the 4,8,12 triangle. Have fun. any two sides must be longer than the third. Example with set 1. 9+10>11 10+11>9 11+9>10
Friday, February 23, 2007 at 1:21pm

Chemistry
How would I draw the abbreviated structural formulae of the products of the complete hydrolosis of this compound, CH3 O (=) N - C - CH - NH2 (-) (-) H CH3 CH3 Sorry about the drawing, the bonds in brackets should be vertical, thanks. We simply can't draw structures on the ...
Wednesday, February 21, 2007 at 4:02pm

color theory
1. The range of dark and light blue in the sky refers to the _______ of this color. A. value B. color temperature C. intensity D. hue 2. In the summer, you're assigned to take a photograph of a lighthouse. It's essential that the color temperature of this photograph ...
Wednesday, February 21, 2007 at 1:49am

MATH
For the floor plans given in exercise27, determine whether the side through the points (2, 3) and (11, 6) is perpendicular to the side through the points (2, 3) and (-3, 18). Compute the slopes of the two lines. If the product of the slopes is -1, then te lines are ...
Wednesday, February 14, 2007 at 8:58pm

At a fair run by a local charity organization, it costs 50 cents to try one's luck in drawing an ace from a deck of 52 playing cards. What is the expected profit per customer if they pay \$4 if and only if a person draws an ace. I presume that the drawn card is replaced ...
Wednesday, February 14, 2007 at 8:11am

algebra 1 scale drawing
On a scale drawing of steps with the base being 1 3/4 inches and the steps going up 1/4 inch each on the drawing.Which scale was used for the drawing if the actual height of each step is 6 inches? A. 1/8 = 1 foot, 10 ines the are hard as heck 2 its hard and yet my teacher isn...
Tuesday, February 13, 2007 at 9:33pm

Probability
At a fair run by a local charity organization, it costs 50 cents to try one's luck in drawing an ace from a deck of 52 playing cards. What is the expected profit per customer if they pay \$4 if and only if a person draws an ace. I am sorry that nobody has responded to your ...
Tuesday, February 13, 2007 at 2:04pm

ALGEBRA 1
FOUR OF THE ANGLES OF A PENTAGON HAVE THE MEASURE 30,70, 120, AND 165. TO FIND THE MEASURE OF THE FIFTH I ADD THE FOUR MEASURES WHICH IS 385 AND SUBTRACT IT FROM 540 WHICH IS 540-385=135 WOULD THIS BE CORRECT. IS THERE A FOMULA THAT I NEED TO USE TO ARRIVE AT MY ANSWER ? ...
Monday, February 12, 2007 at 12:48am

Science
COMPOUND 1 CH2=CH-CH-OH ________| _______CH3 COMPOUND 2 _____________O ____________// CH3-CH-CH2-C _____|______\ ____CH3______OH *Now, I must: Identify any functional groups in these compounds and name them. The functional group in 1 is the OH which makes it an alcohol. (It is...
Wednesday, February 7, 2007 at 4:40pm

CHEMISTRY
Given assumed valencies: H=1, N=3, & C=4 i am now required to draw the structural formulae of HYDROGEN CYANIDE and CYANOGEN. H:C:::N is the Lewis electron dot structure. If you want to use "sticks" as a bond instead of two electrons, one stick stands for two ...
Wednesday, February 7, 2007 at 10:20am

chemistry
I need help in drawing a structual formula for hydrogen cyanide(HCN)and cyanogen(CN)2, the drawing has to bear in mind the valencies of hydrogen(1),nitrogen(3) and carbon (4), any help appreciated H:C:::N: :N:::C:C:::N: Check my thinking. The previous one, too.
Tuesday, February 6, 2007 at 2:22pm

chemistry
help needed in drawing the diagram to show how hydrogen has numerous spectral lines I also need help with this question.... ---------------- ---------------- ---------------- ---------------- ---------------- -------------------- Each line above represents an energy level for ...
Tuesday, February 6, 2007 at 6:06am

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