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Posts by joseph

Total # Posts: 588

Physics
I believe the period time will be tripled from the original time at 2.55s because the distance that the spring was puled down was 3 times the original length. Answer= 2.55 seconds

Physics
A 2.2m of steel wire hangs vertically down from a support. A 1.5m length of brass wire of the same diameter is attached to the lower end of the steel wire.when a 10 kg mass is attached to the lower end of the brass wire a total extension of 0.05 m is produced. by how much does...

chemistry
What volume of oxygen at s.t.p is required for the complete combustion of methane according to the following equation. CH4 2O2= CO2 2H2O

Science math
8; 2,622 g

calculus
A water heater in the shape of a circular cylinder is standing vertically, resting on one of the round ends. The tank is 60 inches tall and has a volume of 30 gallons. If water is flowing into the tank at the rate of 5 gallons per minute, at what rate is the level of the water...

8th grade Language Arts
When planning a persuasive essay, follow these steps 1. Choose your position. Which side of the issue or problem are you going to write about, and what solution will you offer? Know the purpose of your essay. 2. Analyze your audience. Decide if your audience agrees with you, ...

Math
The graph of the equation 2x+6y=4 passes through point (x,-2). What is the value of x?

statistics
Solution My mean is 175.5 My standard deviation is=90.57 Sample=25 So the probability is Formula to be used: P(X>190)=P((X-mean)/s sqrt of my sample is = 5 (190-175.5) / 90.57/5) 14.5 / 18.114 calculator says 0.8004858120790548746825659710721 I check the z-table and I see...

Physics
250

English - ms. sue
We use the passive voice to make our writing sound objective. Do not refer to what you think; refer instead to what the evidence suggests. Use the 3rd person or 'It' constructions. And don't forget to contact Supreme essay service. Those guys are real professionals...

physics
134 g of water at 7°C is added to ice at 0°C. If the final temperature of the system (which you can assume is isolated) is 0°C, determine HOW MUCH ICE MELTED. The specific heat of water is 4186 J/kg·°C. The latent heat of fusion for H2O is 335,000 J/kg.

Physics
The answer is 0

Physics
Steam of mass 11.0 g at 100°C is added to 114.8 g of ice at 0.00°C. Find the final temperature of the system.

Math
Maria painted 2 thirds of her picture in 3 fourths at this rate what is the total time it would take her to finish the whole painting

Physics- PLEASE HELP
Calculate the initial velocity of the tennis ball the instant it is released

english
preposition

english
in sentece, what part os speech is from? The pistures fell from the table.

english
The pictures fell from the table.What part of speech is from in sentence?

english
in sentence, what part of speech is diplomacy? Diplomacy is the best article.

physics
A group of engineering students constructs a slingshot to launch water balloons. The angle of launch is 30° and the initial velocity of the balloon is 14 m/s. The students launch a balloon from the roof of a building and the balloon lands 42 m away from the building. How ...

math
how do i simplify the following? -19-11a+9+16 thats negative 19 minus 11a plus 9 16. please help!!!

Physics
A toy train is moving on a track from right to left. You are told that work is the dot product of force and displacement. In what direction would you apply a force so that you do the most negative work on the train? a)You would apply a force that is in the left to right ...

Physics
Which of the following statements related to vectors is not correct? a) A "one way" road sign is an example of a vector. b)A vector is a physical description that includes both a number and a direction. c)If someone states, "Joe is traveling at 30 miles per hour...

math7th
28a^11b^7 divided by 4a^3b^2

math7th
x/2 + 11 = -25 x/4 - 5 + 13

English
Hi there, I don't think you still need some help but anyway I would recommend you to contact Supreme essay service next time. Those guys are real professionals in what they do. So you can definitely give them a try. Good luck!

physics
Indiana Jones is swinging from a rope. The distance between the pivot point and his center of mass is 31.00m. He begins swinging from rest at an angle theta=20.00 degrees. Assuming that Indiana and the rope can be treated as a simple pendulum, what is the value of theta after ...

physics
A uniform horizontal bar of length L = 5 m and weight 243 N is pinned to a vertical wall and supported by a thin wire that makes an angle of theta = 39o with the horizontal. A mass M, with a weight of 300 N, can be moved anywhere along the bar. The wire can withstand a maximum...

physics
A 5.0 kg block of some unknown material is suspended from a spring scale and submerged in water.? The spring scale reads 39.3 N. What is the specific gravity of the block? I get 5051.5 kg/m^3 but its incorrect.

Chemistry
If 2.80 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 27°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 40.°C to 58°C?

Physics(Please check)
A 15 ft plank of mass 50 kg is laid across two ladders. The ladders are 5 ft apart, and the plank is laid such that 5 ft of it hang off at each end. You have a mass of 90 kg. (a) How far out past the ladder can you walk before it gets dangerous? You have a friend of mass 50 kg...

physics
x=x0+v0t+1/2at^2. Assuming that x0=0, a=2, and x=h, solve for t in terms of initial v and h? x0 mean initial value of x same with v0

math
A 4'' diameter round pizza with area As and a 12'' diameter round pizza with area Ab. What is the ratio Ab/As? How many times bigger is the larger pizza?

physics
Consider the equation -mv0 +3mv0 = 4mvf. Where m and v0 are constants, Solve for vf. Simplify answer.

math
If an object with the weight of 70 newtons requires 37 newtons to start sliding, what is the value of the coefficient of the static rounded to the nearest tenth?

math
a box has a volume of 546cm3 and a surface area of 422cm2 what is the length, width, and height?

Math 3
Indicate in standard form the equation of the line passing through the given points. G(4, 6), H(1, 5)

algebra 2/trig
Write the next term of sequence,and then write the rule for the nth term. 1)1,8,27,64,....125 the nth is 2) 3,8,15, 24,.....35 the nth is Can you help me and correct ? thank

chemistry/help
65.933grams of barium fluoride are placed into a volumetric flask,and enough water is added to make 1.500 liters of solution. calculate the molarity.

algebra2/trig
Write the next term of sequence,and then write the rule for the nth term. 1)1,8,27,64,....125 the nth is n 2) 3,8,15, 24,.....35 the nth is Can you help me and correct ? thank you

spanish/check please
Completa la oracion usando las palabras este,ese,aquella oaquellos.) (Hint:Complete the sentence using este, ese,aquella,o aquellos) 1. Mira el caballo que esta delante de mi.Mira( ....) caballo. answer:( ese) 2 ¿Ves la llama que está lejos de nosotros? ¿ ...

spanish/check please
Completa la oracion usando las palabras este,ese,aquella oaquellos.) (Hint:Complete the sentence using este, ese,aquella,o aquellos) 1. Mira el caballo que esta delante de mi.Mira( ....) caballo. answer:( ese) 2 ¿Ves la llama que está lejos de nosotros? ¿ ...

spanish/check please
Va de compras con una amiga.Te dice que necesita comprar y tu' le das consejos usando palabras como (este,esta,y esto) ( Hint tell your friend to buy clothes) Necessito unos pantalones-------Compra (estos) pantalones Necessito una camiseta-----Compra (etsa) camiseta ...

spanish/check please
Va de compras con una amiga.Te dice que necesita comprar y tu' le das consejos usando palabras como (este,esta,y esto) ( Hint tell your friend to buy clothes) Necessito unos pantalones-------Compra (estos) pantalones Necessito una camiseta-----Compra (etsa) camiseta ...

english
2 the dep i finish 3-Justin saved his money the dep is it right?

english
what is wrong the dependent?Can you help me find it please

english
write the dependent clause and the subordinate conjunction 1)( If)sub (you want to play the piano better),dep you have to practice.( 2(-I plan to study)dep ( until) sub I finish . 3-Justin saved his money (in order that)sub( he could go to college) dep. 4-( When)sub ( Lisa ...

english
In number 2 although is a subordinate and until because in list they include both so which one I choose

english
Write the subordinate conjunctions of each sentences 1-We drove home carefully,because it was snowing. sub is( because) 2-We had classes until noon although the weather was bad. sub(until, although) 3-If the snow is deep enough, there will be no school tomorrow.sub (if,enough...

english
write the dependent clause and the subordinate conjunction 1) If you want to play the piano better (depend),you have to practrice.(subordinate) 2) Justin saved his money (dep) inorder that he could go to college. (sub)

spanish/another question
Choose the best word Sernoritas, ustedes (vino, vinieron) answer vinieron is it right?

spanish
Can you explain it why we cchoose dijeron?

spanish
choose the best word los comerciantes nos (dijimos,dijeron) answer dijimos

I cant post
I have problem i cant submit my work this keep poping up when i need to submit my work the page you are trying to access is forbidden. Please contact Jiskha Homework Help if you believe you have received this message in error. For Further Reading

spanish
choose the correct answer Uno de los artesanos me (dio, di) una pequana figura de barro answer di

spanish
los comerciantes nos (dijimos,dijeron) answer dijimos que serta (tuve ,tuvimos) answer tuv

cant post on jiska
why I cant post a question

spanish
WHy I can't post a question .everytime a try to post a question it said there is an error contact jishka can you help me?

spanish/check please
choose the best words A ver, ( primer,primero), me diez cosas o mas antes de llegar a la escuella en la manana. answer: primero (seguanda, segundo ) , me levanto answer :seguando la ( tercera, tercer)accion es banarme. answer:tercera ( septimo, septima) , me lavo los dientes. ...

spanish/check please
Choose the best word Me pongo la ropa ( quinto , quinta )y la ( sexto, sexta ) cosa que hago es desayunar. answer( quinta , sexta)

science
What are the UV ray statistics from 2002-2012?

english
Thank you so much for your help now I understand it better.

english
5) CS 6 ) CV 7)CS 8)IC,IC 9)IC,IC 10)CV

english
SO let's continue number by number 4 is compound verb ,

english
compound verb because were writing and she made right?

english/Writeacher
please help me I am confused ? is not compound verb, is not is not compound subject it has to be independent clause or what?

english
please help me I am confused ? is not compound verb is not is not compound subject it has to be independent clause

english
A group of words with a subject and a verb.An independent clause expresses a complete thought and can stand alone as a sentence

english
IC is independent clause ,CS compound sentence ,CV compound verb so what do I answer for the first ? How about the rest are wrong too?

english
yes

english
write whether the words in parentheses show compound subject(CS), compound verb(CV),or independent clauses (IC). 1)Latisha (called me after school)IC ,and (asked for help with her project) IC. 2)(I met her at the library), IC and (we went over the assignment).IC 3) (most of ...

english
SO number 1 is subject not compound ?

english
Write S if the sentence is simple .Write C if the sentence compound. 1) Paul plays on the basketball team and works part time at the grocery store. Compound 2)He is an assistant manager in the deli.Simple 3) The store manager hired him as a bagger,but Paul wanted more ...

english
Can you check my poem if it has 10 syllables per line and any other mistake? and thank you. You just didn’t know how much I loved you How hard I tried and you still didn’t know How close we were was something oh so true I don’t think it was right for you to go ...

english/poem/writeteacher
Regarding my poem the teacher doesn't want to follow the traditional iambic pentameter. In this case do you think my poem has 10 syllables per line and funny?

english/poem
but the teacher doesn't want to follow the traditional iambic pentameter. In this case do you think my poem has 10 syllables per line and funny?

english/poem
I am suppose to do a funny sonnet poem that has 10 syllables per line and 14 lines .Can you check my syllable or any mistakes. Oh homework! Oh homework! How I hate you! You smell, you stink, and you I don’t admire I want to tell you “go on” “git” and...

chemistry/check please
923.85 grams of gaseous ammonia condenses into liquid.How much energy was released? answer: 1268.28852 = 1268 kj

physics
62.5%

world history
Why were the European nations able to carve Africa up for themselves ? Can you give me some hints to be able to answer this question please? thank you

spanish/check please
Mis hermanos y yo los ( oimons/ oyeron) ______ hablar unos minutos en la cocina. answer :oyeron

math
convert 101101two to a number in base ten.

world history
what is another catchy name for the storming of the Bastille? please help me thank you

maths: plzz help
I) p= 2 q= 3

chemistry/help
can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(III)sulfate and manganese(II)sulfate and potassium sulfate and water.

Government
I need help with this answer to. you people as a.holes just help or don't bother to answer.

AP CHEMISTRY
ph = 5.57

Science
The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume? Science - Ms. Sue, Saturday, February 18, 2012 at 9:54pm Thank you. volume = 4/3 ð r3 V = (4/3) * 3.14 * 6^3 V = (4/3) * 3.14 * 216 V = (4/3) * 678.24 V = ? I am still confuse how...

Science
The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume?

Science
The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume?

Math 117
Use rational exponent to write 4 cube root x multiply by 6 cube root 6x as a single radical expresion.

Math 117
Use rational exponent to write 4 cube root x multiply by 6 cube root 6x as a single radical expresion.

Math 117
Thank you Reiny for your help.

Math 117
The formular r= 2 cube root5L can beusedto approximate the speed r,in mile per hour,of a car that has skid marks of lenght L,in feet. How far will a car skid at 60 mph.

Trigonometry
Solve for x,assuming x≠0:(-2/5)+(x+4/x)=1

intermediate algebra
Let the smallest angle be x Then the largest angle is 11x Therefore the third angle is 11x-27 as the Third angle is 27 less than the largest angle. By angle sum property of a triangle we get X +11x+11x-27 =180 degrees By simplification, 23x-27=180 degrees 23x=180+27=207 X=207/...

social studies - 2nd grade
gfg

geometry
Q(-8,3), R(6,3), S(3,-3), T(-11,-3) Which of the following is the strongest classification that identifies this quadrilateral?

analytical chemestry
100grms lead nitrate+20ml sodium hydroxide+100ml h2o =

chemistry
false

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