Thursday
July 10, 2014

Posts by JAKE


Total # Posts: 1,725

Calculus/physics
Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

Calculus
Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

physics
explain the relationship between contours of constant potential and the electric field direction. why is the electric field a vector quantity while the electric potential is a scalar?

physics
help??

physics
how do equipotential lines differ in the patterns they make for different geometries?

calculus
Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

calculus
That's supposed to be a rectangular box, where the length is 8 m, the width is 4 m, and the height is 5 m.

calculus
Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

physics
false

math
if the perimter is 24 and each unit is 1 brick long. how many bricks will i need

Calculus
What is symmetric around the y-axis? This is confusing because I don't really know how to draw the solid. First it says the solid has the base of R. So does that mean R should be on the x-axis? But how do you find out the length of the side of the square? Is one side of th...

Calculus
R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find the volume of the sol...

Physics
amm i got an answer of 4.08 for the time in the air I divided 20/9.8=2.04x2=4.08 For the rise I do not multiply by 2 t right? I got answer of 20.4 I am very glad that you were able to help me with this problem

Physics
An arrow is shot straight up in the air with speed of 20m/s. How long is t in the air? How high will the arrow rise?

Physics
An arrow is shot straight up in the air with speed of 20m/s. How long is t in the air? How high will the arrow rise?

Calculus
R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find the volume of the sol...

Government
In a democracy, those who are accountable to the people for what is done in their name. Which form of government, presidential or parliamentary, comes closer to this idela? why?

Math 7th grade
34/6=(2x+1)/3

Trigonometry
You are stationed at a radar base in Warner Robins, GA and you observe an unidentified flying object at an altitude of 2000 m flying towards your radar base at an angle of 20 degrees. How far away from the radar base is that plane (hypotenuse)?

Trigonometry
Rapunzel is located in the highest room f a tower, and Prince Charming has come to save her is 100 m away from the base of the tower. If the Prince estimates that he is looking at Rapunzel's room at an exact 45 degree angle of elevation. How long must Rapunzel's hair b...

Trigonometry
so it's 2100 ft ?

Trigonometry
A preseason game Tennessee Titans punter A.J. Trapasso hit the giant HD TV screen suspended above the field at the new Cowboys stadium. At the time of the punt A.J. was 30 yards away from the edge of the tv screen (the tv screen starts at the 40 yard line, and AJ was at the 10...

Trigonometry
John is an Atlanta Hawks fan with seaon tickets for the past 5 years.John estimates that his seat is about 50 ft higher than the basketball court and he has calculated that he looks onto the court at an angle of depression of 20 degrees. How far away is the court from John'...

Math
thank you

Math
rewrite the equation so that y is a function of x 2-y/6=8x

Chemistry
does limiting reagents react wuth all the reacnats? Is the limiting reagent used to calculate the amount of products?

Chemistry
list in order from most ionic to most covalent kbr, Hcl, NaF, N2,

Chemistry
why is it still intact? is it because of the intermolecular forces

Chemistry
when does water after being ecaported turn to water vapor instead of H+ and O ions? is it becasue of the intermolecular forces

chemistry
what is the concentarion of hyrdoxide ions in 250ml 1.1mol/l of calcium hydroxide

biology
why does water after evaported not turn to H+ ions. is it be cause of the intermolecurar and intramolecuar forces?

Biology
does energy and matter cycle through an ecosystem

10th grade
find the slopes for all four side J(-4,-1) K(-7,-4) L(2,-10) M(5,-7)

chemistry
thanks.. i had probmels with the subscripts and coefficents. i didnt know you had to muliply it

chemistry
I need help finding the net and total ionic for this reation. i know the steps but i keep getting the wrong answer. Al2(SO4)3 (aq) + 6 NaOH (aq) ----> 2 Al(OH)3 (s) +3 Na2SO4 (aq) Category

7th grade
8)>>>Write a group of 3 rows for girl names and and 7 columns for colors Each girl chooses the same color (easiest) The only color they can choose is red. (1/4)^3=1/64 . 9)>>>> P(two girls choose the same color, and the third chooses a different color) for...

7th grade
8)>>>Write a group of 3 rows for girl names and and 7 columns for colors Each girl chooses the same color (easiest) The only color they can choose is red. (1/4)^3=1/64 . 9)>>>> P(two girls choose the same color, and the third chooses a different color) for...

1st grade
thanks this was very helpful

1st grade
then which is bigger 4/5 or 5/12

1st grade
2/3 or 8/9 what has the greatest value in the pair and what is the inequality that shows the relationship

Biology
At which of the capillary bed is the fluid pressure higher? 1)osmostic pressure- (25 mm Hg arteriolar end) ( 25 mm Hg venous end) 2)fluid pressure- 25 mm Hg arteriolar end) ( 15 mm Hg venous end) 3)absorption ( 10 mm Hg arteriolar end) ( 10 mm Hg Venous end)

English
thanks

English
these are my gueses Which watch not one another out of fear; For love all love of other sights controls, And makes one little room an everywhere.

English
What are three qualities of love does Donnie asserts true love has in this stanza? And now good morrow to our waking souls, Which watch not one another out of fear; For love all love of other sights controls, And makes one little room an everywhere. Let sea discovers to new wo...

Poetry
i need help translating this poem into modern english. it is by John Donne I wonder, by my troth, what thou and I Did, till we loved?were we not weaned till then, But sucked on country pleasures, childishly? Or snorted we in the seven sleepers' den? Twas so; but this, all ...

Poetry
i need help translating this poem into modern english. it is by John Donne I wonder, by my troth, what thou and I Did, till we loved?were we not weaned till then, But sucked on country pleasures, childishly? Or snorted we in the seven sleepers' den? Twas so; but this, all ...

math/physics
An electron moving through an electric field experiences an acceleration of 6.1 multiplied by 103 m/s2. (a) Find the electric force acting on the electron. (b) What is the strength of the electric field?

math/physics
A Van de Graaff generator is charged so that the magnitude of the electric field at its surface is 3.0 multiplied by 104 N/C. (a) What is the magnitude of the electric force on a proton released at the surface of the generator? (b) Find the proton's acceleration at this in...

math/physics
A Van de Graaff generator is charged so that the magnitude of the electric field at its surface is 3.0 multiplied by 104 N/C. (a) What is the magnitude of the electric force on a proton released at the surface of the generator? (b) Find the proton's acceleration at this in...

English
i need this journal entry edited please? I Want It Undone Journal Entry: What I did to Jack should be unforgivable. Today I might have ruined Jack’s entire high school life. Part way through period one class, I asked to go use the washroom. I went to the south west washro...

math
L=26 w=31 h= 15

English
what are some goals of most empires

English
What are some ultranationalistic empires that lost their culture and religon through their expansion...like coverting

English
a goal of some empires is to expand right? aren't their some empires that got the negative affect?

English
can you give me an example of empires which lost some of it culture and relgion be expanding

English
What cultures and relgion affected the ottoman empire during its expansion? did people from the ottoman empire convert and practiced religions and cultures from the areas they expanded to.

religion
Hi, I have a couple questions on Buddhism. Where is Buddhism growing the most, today? What types of diffusion and geographic patterns of spread did it have? How has Buddhism changed through diffusion? Help much appreciated.

English
it is an argumentative essay

English
Need help proofreading and editing this body paragraph this is the last body paragraph for my essay, we are supposed to write about solutions other than building empires. The Ultra-nationalism of building an empire is not the right way to preserve and expand a nation’s cu...

English
for the essay we got a source we were supposed to talk about the good and bad points for building empires and then pick a side

English
this is an intro for an argumentative essay, the thesis for the essay is supposed to be that empires are bad..i need help in bringing that out better ( will be forever happy if it rewritten) empires are needed and inevitable. These people would be considered ultra-nationalist....

English
thank you guru blue

English
i require assistance in proofreading and editing this paragrpah please: Some people believe that empire expansion is another way to protect a nations culture and religion by expanding, oppressing other cultures. But by expanding you leave your culture and religion vulnerable b...

lore
thanks

lore
During the Moors invasion into Spain, did some of the Moors convert to some Spanish religions? what were some of these religons

English
this is the start of my second body paragraph, how can i expand it by putting examples? Some people believe that empire expansion is another way to protect a nations culture and religion by expanding, oppressing other cultures. But by expanding you leave your culture and relig...

English
i read 2 of the articles... do you think this argument would be good. Some people believe that empire expansion is another way to protect a nations culture and religion by expanding, oppressing other cultures. But by expanding you leave your culture and religion vulnerable by ...

English
i understand some benefits like showing superiority and gaining territories for natural resources i just need more examples of why they would do that and how it can be argued is being bad

English
what are some bad points about building an empire? i need some points for my essay about what people who support empire building would say and an example of why this is bad. i got (securing natural resource by expansion leading to war), as a point already.

English
sorry for not telling you, but i was not don't yet.... i am sorry

English
for our essay body paragraphs we are supposed to talk about the what the other side argues and then trash it

English
i need this essay proofread please thesis is that the building of empires is bad

English
Imperialism can benefit one’s country. Empires can be built by securing resources; however, the building of empires has essentially led to many wars throughout history. Some believe that empires are needed and inevitable. These people would be considered ultra-nationalis...

English
i need this body paragraph edited please Various people believe that the building of an empire provides secure natural resources due to taking over territories owned by other countries. This ultra-nationalism can actually create a war due to an attempt of trying to take over a...

Algebra
ok I believe this is now correct 0 = (m_M r^2)/m_E - r^2 + 2(3.84403 E 8 m)r - (3.84403 E8 m)^2 how do I solve this algebraically where r^2 is the only unkown the physics problem h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 1 6 1 9 5 9 2

physics
sorry again 0 = (m_M r^2)/m_E + r^2 + 2(3.84403 E 8 m)r - (3.84403 E8 m)^2 sorry about that

physics
sorry 0 = (m_M r^2)/m_E + r^2 + 2(3.84403 m)r - (3.84403E9 m)^2

physics
I believed this is correct after noticing my mistake Ok I'm here what do I do now 0 = (m_M r^2)/m_E + r^2 + 2(3.84403 m)r - (3.84403E9 m)2

physics
i posted this earlier but am now stuck on getting through the algebra 1. The problem statement, all variables and given/known data 13) (II) At what distance from the Earth will a spacecraft on the way to the Moon experiance zero net force due to these two bodies becasue the Ea...

Physics
I'm not sure how to go about solving this problem the algebra gets very messy... At what distance formt he EArth will a spacecraft on the way to the Moon experiance zero net force due to there two bodies because the Earth and Moon pull with equal and opposite force? THANKS

math
A pottery factory needs to connect with the main gas pipe line. This pipeline is on the other side of a stream. A gas line must be run from the main line junction to the factory at the lowest possible cost. It costs $12.50 per foot to run pipe under water and $9.00 per foot to...

calculus
Optimization At 1:00 PM ship A is 30 miles due south of ship B and is sailing north at a rate of 15mph. If ship B is sailing due west at a rate of 10mph, at what time will the distance between the two ships be minimal? will the come within 18 miles of each other? The answer is...

Physics
A car can decelerate at -4.80 m/s^2 without skidding when coming to rest on a level road. What would its deceleration be if the road were inclined at 13 degrees uphill? Assume the same static friction force. Supposively the answer is -7.00 m/s^2 but I keep on getting -2.47 m/s...

Physics
for some reason I keep on getting 1.2 seconds for (b) and .86 m for (a) The back of the book has the same answers for (a) but has 1.5 seconds for (b) i do not see what I'm doing wrong. Can someone confirm that I'm wrong or right??? A blcok is given an intial speed of 3...

Physics
those are subscripts by the way F_fr_k is the force of kinetic friction and the all capital letters are greek leters

Physics
thanks for answering the question I got another one... A 15.0 kg box is released on a 30 degree incline and accelerates down the incline at .30 m/s^2. Find the firctiopn force impeding its motion. What is the coefficient of kinetic friction? SIGMA F_x = m a_x = F_g_x - F_fr_k ...

Physics
When presented 1/4 N as data in a problem is this considered to be one significan figure becasue it is presented in the form of a fraction were there's only one significant figure. I'm asking this becasue if you converted it to a decimal you would have .25 N which woul...

English
i am trying to say that building empires are wrong

English
but am supposed to talk about the arguments the other side makes and try to trash it

English
i need the body paragraph below edited and proofread please, i am trying to prove that empires are wrong. Some people believe that the building of empire provides a secure natural resource due to taking over territories owned by other countries. This ultranatilsm can actual cr...

English
i need the intro paragrpah below proofread, i am trying to prove that building empires is ultrantionalist and that it is wrong: Imperialism can benefit one’s country. Empires can be built by securing resources; however, the building of empires has essential led to many wa...

English
can you help me re write the paragraph because i don't know what to do..... I needed to come up with an issue from the source below; which is if empires are wright or wrong Empire demands discipline, the coordination of all forces and a deeply felt sense of duty and sacrif...

English
i am trying to prove that empires are wrong

English
I need intro paragraph proofread and edited please source used for intro paragraph : empire demands discipline, the coordination of all forces and a deeply felt sense of duty and sacrifice: this fact explains many aspects of the practical working of the regime, the character o...

Pre Calc
nvr mind i just figured it out. its eight. thanks!

Pre Calc
*now

Pre Calc
sigh...sorry I'm so lost...we are not actually going over this know in school, this is just a practice problem, so yeah if you could please explain again? thnaks

Pre Calc
for how many integers x is the value of -6/(x+1) an integer?

world issues
i need some ideas, examples of arguments against the source below on the building of empires being wright or wrong. empire demands discipline, the coordination of all forces and a deeply felt sense of duty and sacrifice: this fact explains many aspects of the practical working...

English
i need he script below edited please Scene: Jacob and Mary arrive at Jerome’s House and are about to return the engagement ring. Setting-The house shows age, broken windows on both sides of the house and a large porch. Jacob: All right Mary, were here. Mary: (Scared face...

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