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April 17, 2014

Homework Help: Social Studies: Law

Recent Homework Questions About Law

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physics
In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash
Sunday, November 4, 2012 at 5:44pm

Physics
Centripetal acceleration a=ω²•R=T/m R=T/m•ω² The law of conservation of angular momentum I• ω²=I₀•ω₀​² ω=(I₀/I)•ω₀&#​178;=(R₀²/R²)•ω​...
Sunday, November 4, 2012 at 4:28pm

Sociology
That a judge has to issue a warrant for a household search derives from ____________. a) probable cause b) substantive law c) procedural law d) mala en se law I believe the answer is (c)
Sunday, November 4, 2012 at 3:38pm

Healthcare Law & Ethics
You must be getting ready to write a book!! No one here will do your work for you, but if you ask specific questions about your assignment, someone may be able to help.
Sunday, November 4, 2012 at 8:14am

Healthcare Law & Ethics
why is the current health care system is in turmoil? Identify one or two major problems of health care and analyze the impact of the problem(s) on patients and the community. Describe the benefits and risks of national health insurance.
Sunday, November 4, 2012 at 4:23am

Physics B
Use Newton's law of gravity to calculate the two perpendicular forces acting on the object at the origin. Call them Fx and Fy The force in the +y direction is Fy = G*(1.5)*(3.4)/(1.8)^2 Write the equation for the other force, Fx, and then add Fx and Fy vectorially.
Sunday, November 4, 2012 at 2:36am

Astronomy
Goodness! Think! has gravitational force changed? Consider Newtons law of gravity.
Saturday, November 3, 2012 at 8:42pm

Chemistry
Part B: Use the result from part A, data in this chapter (Chapter 7:Periodic Properties of the Elements), and Hess's law to calculate the enthalpy of the above reaction. Part A is: Na(g)--> Na^(+)+e^(-) Cl(g)+ e^(-)--> Cl^(-)(g)
Saturday, November 3, 2012 at 4:19pm

Chemistry
Consider the gas-phase transfer of an electron from a sodium atom to a chlorine atom: Na(g)+Cl(g)-->Na^(+)(g)+Cl^(-)(g) I was able to write the reaction that relates to an ionization energy and that relates to an electron affinity. I broke it up into: Na(g)--> Na^(+)+e...
Saturday, November 3, 2012 at 3:54pm

physics
Alyssa, I suggest you draw a freebody diagram of the wagon and the handle. Youll notice that the handle has a force of magnitude 20N with a direction of 25 degrees above the horizontal. Now write your force summation using Newton's second law. Let Ft be the magnitude of ...
Saturday, November 3, 2012 at 1:26am

Chem Ideal Gas Law
N is not 1.05, that is the mass in grams. do this: PV=nRT PV/T=nR for ideal gasses, nR is a constant. At the second conditions, PV/T=nR Hmmm. One is lead immediatlely to the combined gas law P1V1/T1=P2V2/T2 solve for V2
Thursday, November 1, 2012 at 8:45pm

AP Chemistry
Combined gas law: P1V1/T1=P2V2/T2 temps in kelvins
Thursday, November 1, 2012 at 8:31pm

Chem Ideal Gas Law
A 1.05 g sample of an ideal gas occupies 1.045 L at 20.0°C and 0.975 atm. What will be its volume at -8.6°C and 0.5 atm? I used PV=nRT for this. substituted P for 0.5 then n for 1.05, R .0821 then T for 264.4 K After doing this I got .0219 but it is incorrect, what am ...
Thursday, November 1, 2012 at 6:58pm

Physics
In each case the current is I = V/R V = 4.7 Volts R is the given resistance Get to know Ohm's law. Do the numbers.
Thursday, November 1, 2012 at 6:01am

business law
Appraise the following separate and independent situations. Question 1 (a) ​Phing, the 17-year-old daughter of a wealthy businessman is currently studying at a University College at Kelana Jaya. (i) Last January she bought a luxury car, Audi R8, worth RM 900, 000. The ...
Thursday, November 1, 2012 at 5:56am

statistik and probability
a. Assuming that medical and law schools are also graduate schools, 110/250 = ? b. 10/250 = ? c. 50/250 = ?
Wednesday, October 31, 2012 at 12:55pm

physics
State keplers law of planetary motion
Wednesday, October 31, 2012 at 10:33am

physics
State law of orbit?
Wednesday, October 31, 2012 at 10:32am

Physics
b. First law of motion - All material objects will remain in rest or motion in a straight line unless compelled by an unbalanced force. Its direction is changing = new force.
Tuesday, October 30, 2012 at 7:00pm

Physics
An object turns without changing its speed. Which of the following is true? a) No net force was necessarily acting on the object b) A new force must have been acting on the object. c) Both of the answers above are possible I'm thinking that the answer is b) because of the ...
Tuesday, October 30, 2012 at 6:57pm

history
If you were a reform-minded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the A. evangelical efforts of Dwight L. Moody. B. Comstock Law. C. WCTU. D. Mugwumps.
Tuesday, October 30, 2012 at 3:29pm

Physics
(a) The law of conservation of energy: PE=KE mgh =mv²/2 v=sqrt(2gh) = sqrt(2•9.8•5) = 9.9 m/s m1==> v1 =+9.9 m/s m2 ==> v2 = - 9.8 m/s (b) the law of conservation of linear momentum: After elastic collision u1 = [(m1 - m2)/(m1 + m2)]•v1 + [ 2 •m2...
Monday, October 29, 2012 at 4:10pm

chemistry
the rate law choices are: 1. rate in respect to net=k[NO][H2] 2. rate net=k[NO]^2[H2]^2 3. rate net=k([H2]^2[NO]^2)/[H2O] 4. rate net=k[NO]^2[H2] 5.rate net=k([N2][H2O]^2[H2]^2)/[NO]^2 please help! :)
Monday, October 29, 2012 at 2:22am

Chemistry
Graham's Law predicts that the ratio of the rate of effusion of gas X to the rate of gas Y equals the square root of the INVERTED ratio of their molar masses: Rate of X/Rate of Y = SQRT(My/Mx) What is the ratio of rate of effusion of Helium to Nitrogen gas? Enter your ...
Sunday, October 28, 2012 at 8:20pm

Chemistry
I am having trouble trying to figure out what formula I can use to determine the partial pressure of each. Is it Boyle's Law?
Sunday, October 28, 2012 at 5:08pm

Physics
The acceleration should be seperated not averaged. The correct answer for part be is 2548N and this is how: Fnet= F2+F1 in order to find F1 and F2, use F=ma. The acceleration for F1 is gravity as it's the part where the diver hits the water. Mass is 65kg. F1= 65kg*9.8m/s^2...
Sunday, October 28, 2012 at 3:19pm

tri
I assume you made the correct diagram. First let's find angle B sinB/318 = sin48.8/523 sinB = 318sin48.8/523 once you have angle B, we can find angle C then using the sine law again AB/sinC = 523/sin48.8 AB = 523sinC /sin48.5 I will leave the button pushing up to you (I ...
Saturday, October 27, 2012 at 11:32pm

physics
Use coulombs law.
Saturday, October 27, 2012 at 9:38pm

chem
How Graham's Law can be used to predict the ring of gases that will occur in the glas tube.
Saturday, October 27, 2012 at 11:53am

Gas Law Chemistry
#1. P1V1 = P2V2 #2. P1V1 = k1 P2V2 = k2
Friday, October 26, 2012 at 12:07am

math URGENT!!
1. label the points A(1,1) , B(4,3) , C(3,5) Find the length of AB, let that be our base AB = √( (4-1)^2 + (3-1)^2 ) = √13 now we need the height, that is, the distance from C to AB equation for AB: slope AB = 2/3 equation for AB: 2x - 3y + C = 0 (1,1) lies on it 2...
Thursday, October 25, 2012 at 6:22pm

Gas Law Chemistry
I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure is increased to 8....
Thursday, October 25, 2012 at 4:56pm

Physics
Initial heights of the blocks: m1 -> H; m2 -> h Initial energy of the “two blocks” system is E1 = m1•g•H+m2•g•h When the blocks covered s=0.9 m the energy of ”two blocks+spring” system is E2= m1•g(H-s•sinα) +m1•...
Thursday, October 25, 2012 at 2:54pm

Statistics
a city law-enforcement official has stated that 20% of the items sold by pawn shops within the city have been stole. Ralph has just purchased 4 items from one of the city's pawn shops. Assuming that the official is correct, and for x = the number of ralph's purchases ...
Wednesday, October 24, 2012 at 9:15pm

Chemistry
false. it decrease the vapor pressure. See Daltons law.
Wednesday, October 24, 2012 at 8:17pm

eco365
Write a paper of no more than 1,750 words analyzing the current market conditions of the organization or industry you selected. Address the following topics: • Market structure • Effect of new companies entering the market • Prices • Technology • ...
Wednesday, October 24, 2012 at 2:18pm

law
More than what? What company?
Wednesday, October 24, 2012 at 8:24am

law
Do you think design rights add more value for the company?
Wednesday, October 24, 2012 at 7:50am

CHEMISTRY
Are you always solving for final volume in the combined gas law?
Tuesday, October 23, 2012 at 8:44pm

CHEMISTRY
the heat capacities are given in units of moles and Kelvins, so you'll have to convert everything to these units The weight of one mole of H2O = 1.008*2 + 15.999 = 18.015 g 17.68 g ice = 17.68g * (1 m / 18.015 g ) = .981 moles ice = .981 mole H20 54.05 g water = 3 moles ...
Tuesday, October 23, 2012 at 4:04pm

LATIN
"obey" and "tell" are the verbs, and they need to be in imperative form. Have you identified the Latin verbs you want to use for these parts of the sentence? "law" and "truth" are nouns that need to be in the accusative case because they...
Tuesday, October 23, 2012 at 3:32pm

Physiology and Health
http://cyber.law.harvard.edu/evidence99/​marijuana/Health_1.html http://www.webmd.com/mental-health/marij​uana-use-and-its-effects http://www.csmonitor.com/Commentary/the-​monitors-view/2011/1216/Why-teens-need-t​o-know-risks-of-marijuana
Tuesday, October 23, 2012 at 2:23pm

LATIN
Obey the divine law and tell us the truth now! I need help translating these into Latin please
Tuesday, October 23, 2012 at 12:06pm

phi 103
"If that wasn't illegal, then it wouldn't be against the law" may commit which fallacy?
Tuesday, October 23, 2012 at 11:23am

Physics
Change of the horizontal component of the stone’s linear momentum is Δp(x) = m•v(0x) – (-mv(1x)} = m{v(ox)+v(1x)} = m{v(0) •cos15 +v1•cos12} For the boat Δp=p2-p1 = M•u – 0 = M•u. Thje law of conservation of linear momentum &#...
Tuesday, October 23, 2012 at 10:31am

College Chemistry
Using the molar volume (STP) or the ideal gas law equation, determine the molar mass,g/mole, of each of the following. A: 11.2g of a gas that has a volume of 1.50Lat STP? B: .0710g of a gas that has a volume 825ml at 1 atm
Sunday, October 21, 2012 at 2:41pm

physics ..PLEASE HELP ASSIGN DUE SOON :(
k =9•10^9 N•m²/C² r=0.037m F13=k•q1•q3/r², F23=k•q2•q3/r², Cosine law for forces: F=sqrt[F13²+F23²- 2•F13•23•cos120°]
Friday, October 19, 2012 at 2:17pm

business law
http://en.wikipedia.org/wiki/Seal_(contr​act_law)
Friday, October 19, 2012 at 1:27pm

business law
The initials "L.S." at the end of a document mean?
Friday, October 19, 2012 at 11:51am

Algebra 2
I'll do p; you can do q. assuming p=(-4.39,-0.948), pq = √((3+4.39)^2 + (8.31+0.948)^2) = 11.845 pr = √((4.21+4.39)^2 + (6.54+0.948)^2) = 11.403 qr = √((4.21-3.03)^2 + (6.54-8.31)^2) = 2.172 so, using the law of cosines, 2.172^2 = 11.845^2 + 11.403^2 - 2(...
Friday, October 19, 2012 at 11:25am

math
Hooke's law states that the distance an object is stretched varied directly with the force exerted on the object. Suppose the force exerted by 7-kg mass stretches a certain spring 5 cm. To the nearest 0.1 cm. how far will the spring be stretched by the force of an 11-kg ...
Thursday, October 18, 2012 at 5:52pm

algebra
Hooke's law states that the distance an object is stretched varied directly with the force exerted on the object. Suppose the force exerted by 7-kg mass stretches a certain spring 5 cm. To the nearest 0.1 cm. how far will the spring be stretched by the force of an 11-kg mass?
Thursday, October 18, 2012 at 4:50pm

Maths
you give |<QPR|= 43°, then ask for |<QPR|. assuming you want to know the rest of the values for the triangle, use the law of sines: sin43°/5 = sinR/7 R = 72.7° so, angle Q = 180-(43+72.7) = 64.3° all we have left is side q, so back to the law of sines: q/...
Thursday, October 18, 2012 at 3:41pm

English
Hello. I'll be grateful for your help. Is it possible to use -ing forms after the verbs "ban", "prohibit" and "forbid", for example: 1)The government bans funding such organizations. 2)The state prohibits using such technologies. 3)French law ...
Thursday, October 18, 2012 at 1:59pm

English 11
In English we are reading the crucible and we have to find modern day witch hunt examples.witch hunt being people who are guilty in the opinion of public opinion, but is actually innocent in the court of law. Some examples he and some others gave were Lance Armstrong, Michale ...
Thursday, October 18, 2012 at 12:37pm

Writing Sentences & Paragraphs
The tone of your writing is somewhat submissive, in my opinion. I am not certain a medical office is looking in that in a person who is sending out bills to collect income. I recommend more assertiveness. Why do you want this job? Why is is perfect for you (what do you expect ...
Thursday, October 18, 2012 at 11:30am

Writing Sentences & Paragraphs
Please help! I have this assignment and really don’t know where to begin! Please let me know all my mistakes like grammar, spelling, punctuation, sentences and any other mistakes which you think I have made. Thank you all so very much in advance!!! I would really ...
Wednesday, October 17, 2012 at 11:20pm

English
Once order had been restored the leaders of the opposition called for the (revocation keepsake) of martial law revocation? At times it is quite natural to feel afraid and it is certainly no (discredit mortal) to anyone to admit it discredit? While the actors were busy ...
Wednesday, October 17, 2012 at 9:31pm

Math
you can save some work by recognizing that the smallest angle is opposite the shortest side (law of sines)
Wednesday, October 17, 2012 at 4:32pm

Physics
m1=66.1 kg, v1=2.29 m/s m2=0.046 kg, v2= 31.7 m/s m3=60.5 kg, v3=0 u1=? u3=? The law of conservation of linear momentum (m1+m2) •v1 =m1•u1 +m2•v2 u1= [(m1+m2) •v1- m2•v2]/m1 = =[(66.1+0.046) •2.29 – 0.046•31.7]/66.1 = 2.269 m/s m2•...
Wednesday, October 17, 2012 at 3:01pm

Health
Why are federal & state law enforcement agencies responsible for executing search warrants? In a healthcare scenario, how would you handle this if presented one in the HIM department?
Wednesday, October 17, 2012 at 11:36am

Physics
Roller Coaster Cart Mass = 200kg String Compressed by 5m Initial Velocity 25 m/s PE = 2,500 J KE = 62,500 J Use the law of conservation of mechanical energy to find the maximum radius the loop can have before the cart falls off
Wednesday, October 17, 2012 at 11:33am

Physics
The law of conservation of linear momentum for the inelastic collision x: m1•v1=(m1+m2) •v• cos30° y: m2•v2=(m1+m2) •v• sin30° v1=2•v• cos30° v2=2•v• sin30° (m1+m2) •a=F(fr) a= F(fr)/(m1+m2)=F(fr)/2m=10000/...
Wednesday, October 17, 2012 at 5:15am

Physics HELP!!
k =9•10^9 N•m²/C² r=0.037m F13=k•q1•q3/r², F23=k•q2•q3/r², Cosine law for forces: F=sqrt[F13²+F23²- 2•F13•23•cos120°]
Wednesday, October 17, 2012 at 4:34am

physics
(a) PE=mgh=mgL KE = mv²/2 Law of conservation of energy PE =KE mgL= mv²/2 v=sqrt(2gL)=... (b) Law of conservation of linear momentum mv= (m+m1)u u= m•v/(m+m1)=... (c) Law of conservation of energy KE1=PE1 (m+m1) •u²/2 =(m+m1) •g•h1 h1=(m+m1...
Wednesday, October 17, 2012 at 3:50am

Physics- Elena please help!
Law of conservation of energy KE =PE (m1+m2) •u²/2 =kx²/2 u=sqrt{kx²/(m1+m2)}=..... Law of conservation og linear momentum m1v + 0= (m1+m2)u v=(m1+m2)u/m1 =....
Wednesday, October 17, 2012 at 3:48am

Trig
Don't know. I supplied both solutions, one using the pythagorean theorem, and one using the law of cosines. pick one, and tell me the first place you get stuck. I'll try to walk you through it. I prefer the law of cosines, since it's for a trig class. If you don&#...
Tuesday, October 16, 2012 at 6:35pm

history
Loyalists believed Patriots were breaking the law. should return to England. should support British taxation. were too aristocratic. i think its c im not sure
Tuesday, October 16, 2012 at 4:00pm

Physics- Elena please help!
(a) PE=mgh=mgL KE = mv²/2 Law of conservation of energy PE =KE mgL= mv²/2 v=sqrt(2gL0=sqrt(2•9.8•2.05)=6​.34 m/s. (b) Law of conservation og linear momentum mv= (m+m1)u u= m•v/(m+m1)=80•6.34/(80+47)=4 m/s (c) Law of conservation of energy ...
Tuesday, October 16, 2012 at 11:41am

Law and Ethics
When a patient walks into any healthcare institution for treatment,if that institution accepts that patient, they have also accepted protecting every thing that belongs to that patient including his/her medical records.
Tuesday, October 16, 2012 at 10:56am

Law and Ethics
When a patient walks into any healthcare institution for treatment,if that institution accepts that patient, they have also accepted protecting every thing that belongs to that patient including his/her medical records.
Tuesday, October 16, 2012 at 10:53am

us history
the eisenhower administration's major domestic legislative accomplishment in the 1950s was the passage of a law ____?
Tuesday, October 16, 2012 at 10:03am

chemistry
Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with water (answer must be in kJ/mol Zn): Zn(s) + 2 H2O(l) ----> Zn^2+(aq) + 2 OH-(aq) + H2(g) (ΔHrxn = ?) H+(aq) + OH-(aq) ----> H2O(l) (&#...
Tuesday, October 16, 2012 at 12:05am

chem
Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with water (answer must be in kJ/mol Zn): Zn(s) + 2 H2O(l) ----> Zn^2+(aq) + 2 OH-(aq) + H2(g) (ΔHrxn = ?) H+(aq) + OH-(aq) ----> H2O(l) (&#...
Monday, October 15, 2012 at 11:51pm

Chemistry
Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with water (answer must be in kJ/mol Zn): Zn(s) + 2 H2O(l) ----> Zn^2+(aq) + 2 OH-(aq) + H2(g) (ΔHrxn = ?) H+(aq) + OH-(aq) ----> H2O(l) (&#...
Monday, October 15, 2012 at 10:42pm

Newton's law
7. A uniform flexible chain of length l, with weight per unit length lamba, passes over a small, frictionless, massless pulley. It is released from a rest position with a length of chain x hanging from one side and a length l-x from the other side. Find the acceleration a as a...
Monday, October 15, 2012 at 4:28pm

Physics URGENT!!!
Let v(g) and v(p) be the velocity of the girl and the plank relative to the ice surface. Then v(g)-v(p) is the velocity of the girl relative to the plank, so that v(g)-v(p) = 1.4 From the law of conservation of linear momentum m(g)v(g) +m(p)v(p) =0 41.8v(g) +142v(p) = 0 v(g...
Monday, October 15, 2012 at 4:17pm

earth
The global-mean surface temperature of the earth is about 288 degrees Kelvin. Use the Stefan-Boltzman law to calculate the radiative flux corresponding to an object with this temperature. [hint: use σT4 with σ = 5.67x10-8 Wm-2K-4 ]
Monday, October 15, 2012 at 3:09pm

physics
The speed of sound is proportional to the square root of the absolute temperature, T, and the formula is V = sqrt(gamma*R*T) where gamma is the specific heat ratio (1.4 for air) and R is the gas law constant. If you are not very far from "room temperature", it is ...
Monday, October 15, 2012 at 5:59am

Social Studies 9
i did my chart and i have filled almost everything but 3 questions. Please help me on these 3 questions. 1. What is the role of law for a republic? 2. What is the role of law for an absolute monarchy? 3. What is the role of law for constititional monarchy? Thanks:)
Monday, October 15, 2012 at 12:21am

social studies 9
Make an organizer to compare government under a republic (the commonwealth), an abcolute monarchy, and a constitutional monarchy. Use the following headings: the ruler, the role of law, and the rights of people.
Sunday, October 14, 2012 at 11:48pm

SOCIAL STUDIES PLEESE HELP ME
THE ANSWERS ARE NOT IN MY BOOK, MS SUE AND IF THEY WERE THEN I WOULDN'T ASK FOR HELP Make an organizer to compare government under a republic (the commonwealth), an abcolute monarchy, and a constitutional monarchy. Use the following headings: the ruler, the role of law, ...
Sunday, October 14, 2012 at 10:31pm

Chemistry
Dalton's law says pressures are based on mole ratios. 14 total "moles' total pressure= 14/3 * .390= you do it. pressure blue: 6/14 * total pressure pressure orange: 5/14 *(total pressure) and of course, the sum of the three partial pressures should equal total ...
Sunday, October 14, 2012 at 9:36pm

SOCIAL STUDIES 9
I really need help on this question so please help me. Make an organizer to compare government under a republic (the commonwealth), an abcolute monarchy, and a constitutional monarchy. Use the following headings: the ruler, the role of law, and the rights of people.
Sunday, October 14, 2012 at 9:27pm

newton's law
thanks but my instrutor dont want me to use energy to solve the problem since we havnt learn it yet, can you do it using newton's law?
Sunday, October 14, 2012 at 6:47pm

Physics
Assume that the blocks accelerate to the right with acceleration ‘a’ F1 is the force acting on the block 2 by block 1, and the same force (according to the 3 Newton's Law) acts on the block 1 by the block 2. (A) m1=m2=4.8 kg m1•a=-F1 m2•a=F1-F(fr). ...
Sunday, October 14, 2012 at 11:38am

newton's law
kinetic energy at bottom = (1/2) M Vo^2 = potential energy at to when it stops = m g h = M g (x sin theta) so (1/2) M Vo^2 = M g x sin thets x = Vo^2/(2 g sin theta) average speed = Vo/2 time = distance/average speed = Vo^2/(2 g sin theta)] / [ Vo/2)] = Vo/(g sin theta)
Saturday, October 13, 2012 at 8:01pm

newton's law
A block of mass M is projected up a frictionless inclined plane with a speed VO. The angle of incline is given as theta. a. How far up the plane does it go? b. How much time does it take to get there? I was stuck after Fg(cos(theta+90)= Ma_x gcos(90+theta)/M = a_x can someone ...
Saturday, October 13, 2012 at 5:57pm

newton's law
I do think you've set a record! Nine posts in two minutes!! Well, once you're ready to include what YOU THINK about each of your assigned problems, please repost with YOUR THOUGHTS included.
Saturday, October 13, 2012 at 4:24pm

newton's law
Find the acceleration and tension in an Atwood's machine. Two different masses connected by a string over a pulley which is at rest.
Saturday, October 13, 2012 at 4:19pm

physics 100
m1=60 kg, m2=0.8 kg, v=26m/s, s=1 m (a). a=v²/2s =26²/2•1=338 m/s² F=m1•a=60•338=20280 N (inhumanly large force... I believe that velocity has to be 2.6 m/s .... check your given data) (b)The law of conservation of linear momentum 0= m1•v1-m2...
Saturday, October 13, 2012 at 11:18am

Chem
Hello! A 22.0 L cylinder containing helium gas at a pressure of 28.1 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. What is the final pressure (in atm) in the cylinder after a 101 L balloon is filled to a pressure of 1.23 atm. I found ...
Friday, October 12, 2012 at 7:16pm

physics
Hooke's law describes a certain light spring of unstretched length 32.0 cm. When one end is attached to the top of a door frame and a 5.40-kg object is hung from the other end, the length of the spring is 46.5 cm. (a) Find its spring constant. kN/m (b) The load and the ...
Friday, October 12, 2012 at 2:00pm

Physics
Try using the famous Newton's-second-law equation F = M a where M is the mass and a is the acceleration. The product (F) will be in Newtons.
Friday, October 12, 2012 at 11:18am

Chem
Boyle's law. P2V2=P1V1 V2=2*3/3.524 liters.
Thursday, October 11, 2012 at 4:57pm

physics
The path of a sattelite around the Earth is elliptical. The perigee is the point where the satellite is nearest to the earth, and the apogee is the point where it is farthest from the earth. Let R(p) and R(a) be the respective distances of these points from the centre of the ...
Thursday, October 11, 2012 at 3:47pm

Physics
s1=v •t1=44•42/60 =30.8 km s2 =v•t2 = 44•17/60 = 12.5 km s3 = v•t3 = 44•51/60=37.4 km Cosine Law: displacement d= sqrt[(s2² +(s3-s1)²-2•s2•(s3-s1) •cos135] = 17.8 km ave velocity = d/time taken = 17.8• 60/(42+17+51) =...
Wednesday, October 10, 2012 at 3:32pm

chemistry
For this question you must fallow the 2 main rules of mechanisms. 1)The slowest elementary (RDS)step must match the rate law of the given rate law. 2)The mechanisms must match the given reaction after crossing out the intermediates of the reactions in the mechanisms.
Wednesday, October 10, 2012 at 11:47am

english
I am writing a dialogue between two characters in "Groom Service", I don't know if I am on the right track. I will appreciate it if you culd help me to read through this conversation nad make suggestions. I really appreciate our contributuion. After Martha and ...
Wednesday, October 10, 2012 at 11:07am

science
draw the figure. For wind speed, use the law of cosines: speed^2=200^2+220^2-2*200*220Cos20 make certain from your diagram you understand that. Now, the hard part, the direction. Label the diagram, ABC, where A is at the origin, and you go CLOCKWISE around the triangle. You ...
Wednesday, October 10, 2012 at 8:09am

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