Friday

February 27, 2015

February 27, 2015

Total # Posts: 2,405

**physics -PLS HELP ASAP**

a bungee jumper is falling at a velocity of 2m/s [down] when the bungee cord just starts to stretch. after the cord stretches for 2.5s, the velocity is 11m [down]. assume that the acceleration is at constant. a) what is the acceleration of the jumper? b) what is the total time...
*February 22, 2015*

**Physics Urgent!!**

a bungee jumper is falling at a velocity of 2m/s [down] when the bungee cord just starts to stretch. after the cord stretches for 2.5s, the velocity is 11m [down]. assume that the acceleration is at constant. a) what is the acceleration of the jumper? b) what is the total time...
*February 22, 2015*

**Science**

What is the primary reason for the trend in atomic radius going from left to right across the periodic table? 1.All atoms in a given period of the table are the same size because the same main energy level is being filled. 2.There is no clear trend, the atoms all have ...
*February 13, 2015*

**science**

what happens when two objects of unequal masses collide?
*February 12, 2015*

**grammar**

Which is the subject of this sentence? Look in the index for a mention of this type of error. A. type B. index C. (you) D. mention
*February 11, 2015*

**Physics**

I had a problem with this too, though. For the first part I did basically g/4 ( M x g/4 = M x a) which should have been 2.45m/s^2 but apparently that's wrong, and I can't figure out why.
*February 10, 2015*

**Physics **

A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 23.7 minutes at an average speed of 6.31 m/s. During the second part, she rides for 25.0 minutes at an average speed of 4....
*February 9, 2015*

**Language Arts**

I am really confused, originally I thought the answer was A but now I see your opinions I'm confused. :)
*February 4, 2015*

**Phy **

A flat 1.0m^2 surface is vertical at x=2.0m and parallel to the yz-plane. What is the flux through the surface if it is located in a uniform electric field given by E= 26.0i + 42.0j + 62.0k N/C? Im having trouble understanding the question, I know how to do vectors but this ...
*February 3, 2015*

**physics**

A block of mass 3.17 kg is hanging from a rope. The tension in the rope is 12.9 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block?
*February 1, 2015*

**Physics**

Two point charges Q1=-6.80nC and Q2 = -5.80nC are separated by 33.0cm. What is potential energy of the pair? Answer in units of Joules.
*January 30, 2015*

**Language Arts**

Do you got Connections in 8th Grade?
*January 30, 2015*

**math**

Adam drew two same size rectangles and divided them into the same number of equal parts.He shaded one third of one rectangle and one forth of the other rectangle.What is the least number of parts into which both rectangles could be divided?
*January 29, 2015*

**Algebra**

Please solve using substitution method. 2n-11=m/4 n=m/-3
*January 29, 2015*

**Trig/ English**

I need an Acrostic poem for the word "Exponent"
*January 22, 2015*

**Physics help - Earths force**

Is the force of the earth’s gravity on the sun stronger, weaker, or the same as the force of the sun’s gravity on the earth? Explain why the sun’s attraction affects the motion of the earth more than the earth’s attraction affects the sun’s motion. So ...
*January 8, 2015*

**History**

How and why did the election of 1800 occur? How, and why did the judiciary act of 1801 established
*January 8, 2015*

**History**

Why and how was the judiciary act of 1800 passed? Who all was involved?
*January 7, 2015*

**math**

on a certain day the propellers complete 20 revolutions per minute and have a speed at of 45 m/s calculate the radius of a propeller to one decimal place using pie as 3.14 ?
*January 7, 2015*

**Physic~~~**

Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surface of Saturn compared to that on the Earth. So I was doing this and I got stuck here; gs = G*Ms/Rs² = G*(95Me)/(9²Re²) = ge*(95/...
*January 6, 2015*

**Math**

Use the digits 4'5'6'7' and 8 once each to write an odd five-digit number . Write it both in standard form and in word form
*December 11, 2014*

**math**

A total of 121 people came to the school science fair this year. This is 7 more than twice the number of people who came to last years science fair. How many people came last year?
*December 10, 2014*

**math**

PLASE HELP ME
*December 9, 2014*

**math**

alan, gil, and deb's point in a video game was in the ratio 2:3:4.deb scored 114400 points. how many points did gill score? how many points did they score in all PLEASE HELP but can you make your answer so that I can understand I am in 6th grade but I am not the that smart...
*December 9, 2014*

**English**

I need help annotating an essay that I got. I need help finding rhetorical devices, ethos, pathos, and logos appeals. I also need help explaining why, forexample, a line or passage reflects an ethos appeal and so on. This is for "Concerning the Dangers from Foreign Force ...
*December 9, 2014*

**English**

Can someone help me with this? Thank you! Prompt A: Compare and contrast the topics and themes of writers from the Americas and European writers. Include specific examples to support your statements.
*December 4, 2014*

**Math **

Evaluate log sqrt(5) 125sqrt(5).
*December 3, 2014*

**English**

I have an outline in my head. I was hoping we could bring one in for the final, but we are not allowed to have anything prior except a thesis statement. I'll adjust it prior to the final day. Thank you both for your advice! - I remember Bob Pursley being helpful way back ...
*December 3, 2014*

**English**

*finding ... :)
*December 3, 2014*

**English**

Thank you for your comments and suggestions. I only wish I could write the thesis statement after the essay, however, the instructor has mandated thesis statements be written prior to beginning the essay. This is our final which begins in just a few minutes. We will be given ...
*December 3, 2014*

**English**

Orrrrrrr .... A father-daughter relationship helps define who we are today as it helps to shape the way we see things and deal with life in general; yet not all relationships are storybook material and some travel the spectrum from sheer happiness to the pits of hell to ...
*December 3, 2014*

**English**

Dadgum comma splices get me every time!!! Unfortunately, we can only have one sentence for a thesis statement so I am desperately striving to make this work. - Would this be better? A father-daughter relationship helps define who we are today as it helps to shape the way we ...
*December 3, 2014*

**English**

Checking for grammatical correctness. Thank you, in advance!!! - This is a thesis statement: A father-daughter relationship helps define who we are today as it helps to shape the way we see things and deal with life in general, yet not all relationships are storybook material...
*December 3, 2014*

**ELA**

Thank you Ms. Sue
*December 1, 2014*

**ELA**

I don't know what the heck V/CV OR VC/V means. PLEASE HELP ME
*December 1, 2014*

**calculus**

I needed help with these FRQ in my APCalc course. Any help or walkthrough would be extremely helpful - thanks in advance. Let f be the function given by f(x)=3ln((x^2)+2)-2x with the domain [-2,4]. (a) Find the coordinate of each relative maximum point and each relative ...
*December 1, 2014*

**Math**

A document that is 30in x 40 in is redrawn 1 1/2 scale and redrawn again at a 1/2 scale. What are the final dimensions? On this i have no clue what to do.
*December 1, 2014*

**math!!**

mike and sam begin saving money at the same time. mike plans to save $3 a month and sam plans to save $8 a month. After how many months will sam have $25 more than mike?
*November 24, 2014*

**math**

change the following mixed numbers to a fraction in the forma/b were a and b are integers 3 5/6 ?
*November 24, 2014*

**math**

so is the correct way 0.7024 0.75 0.8315
*November 24, 2014*

**math**

arrange in order smallest to largest 0.8315, 0.75 ,0.7024 is this right 0.75 0.7024 0.8315
*November 24, 2014*

**chemistry**

Calculate the vapor pressure of a solution containing 28.7g of glycerin (C3H8O3) in 136mL of water at 30.0 ∘C. The vapor pressure of pure water at this temperature is 31.8 torr. Assume that glycerin is not volatile and dissolves molecularly (i.e., it is not ionic) and ...
*November 23, 2014*

**English**

Rochester says, "God pardon me!" and "Man, meddlee not with me" after Jane agrees to marry him because... Need to finish the sentence. This question is referring to the book, Jane Eyre.
*November 23, 2014*

**Business Communication**

Thanks
*November 19, 2014*

**Business Communication**

If the purpose of your message is to ask local businesses to sponsor your event, your desired outcome would most likely be__________. a.to inform them about your event. b. to promote understanding about your event's goal. c. to propose ways in which they could help. d. for...
*November 19, 2014*

**Business Communication**

When communicating a message, the best approach for a boss to take would likely be the ____________. a. state the main idea right away to get it over with. b. hint at the main idea and let the employees read between the lines. c. tell employees bad news first and then explain ...
*November 19, 2014*

**Business Communication**

In which of the following cases is the direct organization method most appropriate? a. asking your boss for an extension on an assignment. b. recommending a controversial change in departmental procedure to your boss, c . requesting a day off during your company's busy ...
*November 19, 2014*

**math**

Find the present value, using the present value formula. (Round your answer to the nearest cent.) Achieve $225,500 at 8.45% compounded continuously for 8 years, 145 days.
*November 12, 2014*

**Language Arts 8**

This is a Language Arts 8 A. I haven't ever done this but this is a big grade and Language Arts is my worst subject. I don't know if you've read the book The Trouble with Television there is a like below. Please Help!!! 1. What is the Main Point MacNeil is making ...
*November 11, 2014*

**math**

1+1=2
*November 8, 2014*

**math**

case 1
*November 8, 2014*

**Organice Chem**

Could you use acetone as a solvent to recrystallize acetanilide? Justify
*November 6, 2014*

**physics**

Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 72.7 N, Jill pulls with 79.9 N in the northeast direction, and Jane pulls to the southeast with 103 N. (Since the donkey is involved with such uncoordinated people, who can blame it for ...
*November 3, 2014*

**geometry**

the area of a pool is 12 square units and the area of the walkway around the pool is 60 square units, what is the perimeter of the walkway?
*October 30, 2014*

**Algebra 2 & trig **

joanna invested $7500, part at a 5.5% and the remainder at a 6% annual rate of interest. if she collected a total of 435 in interest at the end of one year, how much money was invested at each rate?
*October 28, 2014*

**Physics**

There is a block resting on a table attached to a hanging mass around a pulley. Assume a value of g = 10 m/s2. If there is no friction, and the mass on the table has a value of 5.0 kg and the hanging mass has a value of 1.0 kg, what is the value of the kinetic friction ...
*October 28, 2014*

**science**

i think the answer is d
*October 22, 2014*

**physic**

A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30 m C) What is the...
*October 21, 2014*

**Algebra **

a guy has $4.40 of nickels, dimes and quarters. he has twice as many dimes then quarters. how many nickels does he have?
*October 21, 2014*

**math**

Find three consecutive positive even integers such that four times the first decreased by the second is 12 more than twice the third.
*October 15, 2014*

**Math (Ms. Sue! Someone help)**

Hi I really need help. I don't know even how to figure these two questions out so if you could help me, please. Is (–4, 10) a solution to the equation 10 – 5x = y? Explain your answer. Describe the pattern in the table using an equation. x|y 1|15 2|25 3|35 4|45 ...
*October 15, 2014*

**English**

Yay I passed!! Thank you so much!!!!
*October 13, 2014*

**English**

Its studying were
*October 13, 2014*

**English**

Ok I think I got it its A right?
*October 13, 2014*

**English**

Please I am on the last question If I get it right I pass!
*October 13, 2014*

**English**

I am do not know which is obviously correct. Can you please tell me. I just missed the question and I had to redo the test already so many times. And I am on the question right now. I already missed one wrong. I'm guessing its A?
*October 13, 2014*

**English**

If you copy the question and paste it into google and click the first link its open study someone posted the picture of the diagram and the same question.
*October 13, 2014*

**English**

Sara |\ _______ |\ | \ José | \ _______ |and> ____|_were\_____|studying___\ | / \ \for Kenny | / \_together \___test__ _______ |/ \ \the Sara |\ _______ |\ | \ José | \ _______ |and> ____|_were\_____|studying___\ | / \ \the Kenny | / \_together \___test__ ...
*October 13, 2014*

**English**

Ok is there a way for me to post a picture of the diagrams?
*October 13, 2014*

**English**

It is just a picture of the diagram not a website.
*October 13, 2014*

**English **

I have a question its which diagram correctly represents this sentence? Sara, José, and Kenny were studying together for the test. How can I post a link to show you the diagrams?
*October 13, 2014*

**physics**

Four forces are acting on an object. Force 1 has a magnitude of 5N at an angle of 70° above the +x-axis; force 2 has a magnitude of 8N at an angle of 35° above the +x-axis; force 3 has a magnitude of 4N at an angle of 20° above the -x-axis; force 4 has a magnitude ...
*October 11, 2014*

**physics**

An object has three component velocities: 5mi/hr toward the east, 12mi/hr toward the south, and 8mi/hr toward the northwest. Find the resultant velocity of the object. For resultant velocity, I got 6mi/hr I don't understand how to find the direction angle and direction (ex...
*October 11, 2014*

**physics**

An airplane whose speed is 150km/hr climbs from a runway at an angle of 20° above the horizontal. What is its altitude two minutes after takeoff? How many kilometers does it travel in a horizontal direction during this two minute period? Find the altitude and horizontal ...
*October 11, 2014*

**physics**

The coefficient of static friction between the floor of a truck and a box resting on it is 0.370. The truck is travelling at 80.1 km/h. What is the least distance in which the driver can stop the truck and ensure that the box does not slide?
*October 8, 2014*

**Km/h**

A cyclist travels 3 km in 10 mins . Find his speed in km/h
*October 6, 2014*

**English**

Use the correct pronoun. I wanted Sue to ask Bob and ______ to the meeting. he, his, or him?
*October 6, 2014*

**Physics **

A velodrome is built for use in the Olympics (see the figure below). The radius of curvature of the surface is 15.9 m. At what angel should the surface be banked for cyclists moving at 15.0 m/s? Choose an angle so that no frictional force is needed to keep the cyclists in ...
*September 30, 2014*

**Pre-Cal**

The total cost (in thousands of dollars) of a machine manufacturing unit is given by the function T(x) = 300 + 5x, where x is the number of machines produced. What is the average cost (in thousands of dollars) of manufacturing 200 machines? (Average cost is the ratio of total ...
*September 30, 2014*

**Earth Science**

Explain how you could measure the density of a mineral with an exact amount of water and a scale .
*September 29, 2014*

**Economics**

There are two brothers, Joe and Marc who both like candy. When Joe shops he always spends $10 on candy When Marc shops he always buys 10 pieces of candy. What is Joe's elasticity of demand for candy? Why? What is Marc's elasticity of demand for candy? Why?
*September 28, 2014*

**physics**

The barrel of a rifle has a length of 0.97m. A bullet leaves the muzzle of a rifle with a speed of 601m/s. What is the acceleration of the bullet while in the barrel?
*September 27, 2014*

**algebra**

to pass a course with an A grade, a student ,must have an average of 90 or higher. A students grades on three tests are 93,92 and 83. What is the score the student must get on the nest test to get an A average?
*September 23, 2014*

**Biology**

Why is it necessary to match the donors blood and the recipients blood before a transfusion is given
*September 21, 2014*

**Biology**

A patient has type AB blood. If they received a transfusion of type B blood, predict and explain what would happen
*September 18, 2014*

**Currculum**

The gravitational theory could be the best. As you could just drop items and explain how this is gravity and how it works.
*September 17, 2014*

**Physics **

vector A has a magnitude of 45.0 cm and makes an angle of 125 degrees with positive a –axis. What are the x- and y- components of this vector?
*September 17, 2014*

**Physics**

A motor scooter rounds a curve on the highway at a constant speed of 25.0 m/s. The original direction of the scooter was due east; after rounding the curve the scooter is heading 28 degrees north of east. The radius of curvature of the road at the location of the curve is 160 ...
*September 15, 2014*

**Physics**

16. A Nile cruise ship takes 21. 0 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.8 h to make the return trip downstream. Assuming the ship’s speed relative to the water is the same in both cases, calculate the average speed of the current in the Nile...
*September 15, 2014*

**Math**

Clue 1: When you divide me by 5, the remainder is 4. Clue 2: I have two digits. Both digits are odd. Clue 3: The sum of my digits is 10.
*September 10, 2014*

**math**

544.6 divide by 1.75
*September 10, 2014*

**World history**

what were benefits and negatives of transitioning from a nomadic society to an agricultural ?
*September 10, 2014*

**Physics**

This is based off of the paper "Scaling -- The Physics of Lilliput", but I think the following questions can be answered out of context: 1. Based on the Lilliputian reading: A) A rectangular water tank is supported above the ground by 4 pillars 5.0 cm long whose ...
*September 9, 2014*

**History**

How do they know what the Native American peoples experienced?
*September 5, 2014*

**Sorry for all these questions..**

How do historians and archaeologists know what the explorers experienced?
*September 5, 2014*

**American History**

Why was it difficult for European explorers of the 15th and 16th centuries to understand the diversity of the native peoples who lived in the Americas?
*September 5, 2014*

**Chemistry**

What will be the freezing point of a solution made by dissolving 5.25 g of naphthalene (C10H8) in 100.0 g benzene (C6H6?). The normal freezing point of benzene is 5.5°C and K f (benzene) is 5.12°C / m.
*September 4, 2014*

**algebra**

Step 1. Get common denominator (10 in this case) 2/5 is the same as 4/10. orange is now 4/10 and purple is 3/10 and white is x/10. 2. Find x (xis white) 3. 10/10 - (3/10 + 4/10) 4. 10/10 - 7/10 = 3/10 3/10 is the answer
*September 3, 2014*

**math**

7.5 x 10^2 With scientific notation you have to have a number (less than 10 and higher than zero) multiplied by 10^...
*September 3, 2014*

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