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2012
January

Questions Asked on January 22, 2012

I urgently need to write a short email to a scholar specialized in Comenius projects.After presenting myself and the school I'd
1. 1 answer
2. asked by Henry2
3. 557 views
The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to
1. 0 answers
2. asked by Thuy Nguyen
3. 975 views
The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to
1. 1 answer
2. asked by ThuyD
3. 1,715 views
A 95 g tennis ball is traveling at 106 km/h when it bounces of a wall and travels in the opposite direction it came from at a
1. 0 answers
2. asked by Fatima
3. 497 views
A 95 g tennis ball is traveling at 106 km/h when it bounces of a wall and travels in the opposite direction it came from at a
1. 1 answer
2. asked by Fatima
3. 429 views
how wind influence tides
1. 1 answer
2. asked by arvindra
3. 398 views
A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.20km,1.20km), and 1.16s later
1. 3 answers
2. asked by AaA
3. 612 views
What is the concentration of SO3^2- in a 0.043 M solution of Sulfurous acid (H2SO3) in water? The value of Ka1 for H2SO3 is
1. 1 answer
2. asked by Summer
3. 1,142 views
6) A sub has a volume of 20 m3 and a density of 1500 kg/m3. It sinks to a depth of 40 meters. The density of sea water is 1025
1. 0 answers
2. asked by Kat
3. 467 views
A car stops for a red ligth. The light turns green and the car moves for 3 seconds at a steadily increasing speed. During this
1. 1 answer
2. asked by Anna
3. 1,343 views
In 35s, Samsonite lifts his 8kg case from the floor to .8m above the ground (in his arms), carries it 24m across the room ( at
1. 0 answers
2. asked by Tiana
3. 622 views
President Obama has set up a slide for his young children so they( and he) can slide into the pool behind the White House. The
1. 2 answers
2. asked by Tiana
3. 528 views
A boy throws the ball vertically upwards with an initial velocity of 15m\s,what is the magnitude and direction of the ball
1. 1 answer
2. asked by soul
3. 715 views
If a nuclear power plant can buy 86% enriched fuel for $21000/lb and can buy cheaper less enriched uranium that is 80% pure and
1. 1 answer
2. asked by Mika
3. 498 views
Investigate the effect of the mass of an object on its motion and the relationship between an object’s mass and weight
1. 0 answers
2. asked by cassand
3. 331 views
In reaching her destination, a backpacker walks with an average velocity of 1.20 m/s, due west. This average velocity results,
1. 0 answers
2. asked by Alex
3. 488 views
What are three myths about the New World and the Indians (Virgin land, inferior, Noble savage)
1. 1 answer
2. asked by lou
3. 338 views
A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 19 feet
1. 1 answer
2. asked by Tarisha
3. 1,336 views
Two flat metal plates of area 2.8 m2 are placed parallel to each other and both are then charged, one with +10 µC and the other
1. 0 answers
2. asked by Johnny
3. 464 views
Thank you writeacher. I hope that one of your science experts on Jiskha can help me with finding the vocabulary.Here are some
1. 1 answer
2. asked by Henry2
3. 461 views
what does refrain mean when dealing with language arts/speeches?
1. 4 answers
2. asked by Brianna
3. 560 views
How would you make 100mL of tartrate buffer, pH 3.5, from 0.100 M tartaric acid, 1M NaOH and deionized and distilled H2O? You
1. 0 answers
2. asked by Elle
3. 561 views
in all but what way does lightning shape our perspective
1. 1 answer
2. asked by vanessa
3. 700 views
Determine whether the point (1, 4) is a solution of the system6x + 9y = 42 5x + 0y = 5 by substituting the point into each
1. 2 answers
2. asked by Nesha
3. 359 views
Writeacher, its me again i just wanted to know if the experiment of the math test and music is enough for the multitasking
1. 3 answers
2. asked by sandy
3. 442 views
Over a time interval of 2.15 years, the velocity of a planet orbiting a distant star reverses direction, changing from +18.9
1. 1 answer
2. asked by Isaac
3. 600 views
What is gun control exactly?
1. 3 answers
2. asked by Anonymous
3. 381 views
what does hook mean in a speech? what is used to grab the audiences attention? persuasion or hook?
1. 3 answers
2. asked by 12-year-old-poet
3. 531 views
when did the republican party endorse women's right to vote
1. 3 answers
2. asked by 12-year-old-poet
3. 435 views
Given the hypotenuse of a right triangle is 600, and the length of all three sides is 1400, what are the lengths of the legs?
1. 1 answer
2. asked by Cori
3. 771 views
the cost of building lawn xmetre long varies partly as x and partly as xsquare.The lawn cost #180 if it 30metre long and #280 if
1. 1 answer
2. asked by adeyeni
3. 763 views
You are making a scale drawing of a sailboat using the scale 1 inch: 3 feet. The length of nthe sailboat at its longest point is
1. 1 answer
2. asked by Sarah
3. 690 views
what are some modern day myths?
1. 1 answer
2. asked by kelly
3. 437 views
What did the king of England do that made the colonist upset?
1. 1 answer
2. asked by ffgtf
3. 415 views
is the effect of trade on the economic growth is it an example of macroeconomic
1. 0 answers
2. asked by at
3. 299 views
label a point f inside the curve. why is this an inefficient point? label a point g outside the curve. why is this point
1. 0 answers
2. asked by patricia
3. 490 views
i have 2 questionsstoichiometry loss of CO2 1. record the amount of CO2 produced vs the amount of Na2CO3. I did 7 beakers with
1. 4 answers
2. asked by janey
3. 786 views
label a point f inside the curve. why is this an inefficient point? label a point g outside the curve. why is this point
1. 0 answers
2. asked by patricia
3. 552 views
Given that a sample is approximately bell-shaped with a mean of 60 and a standard deviation of 3, the approximate percentage of
1. 1 answer
2. asked by Dawn
3. 2,803 views
A mass of 3.4kg sliding along a frictionless floor at 1.5 m/s strikes and compresses a spring of constant k=295 N/m. The spring
1. 0 answers
2. asked by Sasha
3. 515 views
A cup of teat containing 400g of liquid at 20 degrees celsius was heated. If 58.5 kj of heat was absorbed by the tea, what would
1. 6 answers
2. asked by Hannah
3. 944 views
For the reactionAl(s) + 3 HCl(aq)->AlCl3(s) +3/2 H2(g) it was observed that when 4.00g of aluminum reacted with excess HCl,
1. 4 answers
2. asked by Hannah
3. 595 views
find the limit: lim of f(x) as x approaches 1 if f(x) = x^2 + 4, x is not equal to one and 2, x = 1.What is the answer and why?
1. 0 answers
2. asked by Anonymous
3. 343 views
A rocket moves straight upward, starting from rest with an acceleration of +25.5 m/s2. It runs out of fuel at the end of 4.26 s
1. 1 answer
2. asked by john
3. 737 views
Using the FIFO method of inventory pricing, what is the dollar value ending inventory if there were 300 units on hand December
1. 0 answers
2. asked by Terry
3. 603 views
Name two organic compounds that cannot be extracted effectively from an aqueous solution by means of an immiscible organic
1. 1 answer
2. asked by Leesa
3. 516 views
a rectangle fixed at 30 cm what will make the permiter greater than 78cm
1. 2 answers
2. asked by Clenisford J
3. 303 views
my friend and i have been trying to figure out this question but we cant come to an agreement. i think its "a" and she thinks
1. 1 answer
2. asked by Brianna
3. 515 views
A speedboat starts from rest and accelerates at +1.98 m/s2 for 8.25 s. At the end of this time, the boat continues for an
1. 1 answer
2. asked by Robert
3. 1,679 views
What did George Kennan mean by “containment”? Why did he think it would be a successful strategy?
1. 4 answers
2. asked by Kiana
3. 597 views
a photograph is 5.5 in. long and 3.2 in. wide. it must be enlarged so that both dimensions are 1.8 times greater. how long will
1. 2 answers
2. asked by andreya
3. 780 views
Three point charges are fixed in place in a right triangle. What is the electric force on the q = -0.63 µC charge due to the
1. 1 answer
2. asked by john
3. 1,432 views
To write a paragraph explaining Lincoln's vision of the united states. Make at least 2 references to specific details of the
1. 1 answer
2. asked by Mike
3. 439 views
Suppose you wanted to heat a mug of water (250 mL) from room temperature 25 C to 100 C to make a cup of tea. How much energy (in
1. 7 answers
2. asked by David
3. 2,875 views
Thank you very much. Here is the second part I'd like you to check.1) From his place Winston can read the three slogans of the
1. 1 answer
2. asked by Henry2
3. 584 views
Can someone please help me to understand the steps in the process of scientific inquiry?
1. 2 answers
2. asked by Patiance
3. 620 views
I am doing my application form for a university, it asks for my job informationJob Title: I work at Mcdonalds part-time and work
1. 2 answers
2. asked by Matthew
3. 575 views
If the block slides down the incline at a constant speed, what is the force of friction between the block and the plane?
1. 0 answers
2. asked by Katherinee
3. 371 views
Why is a pizza cutter handle a lever?
1. 1 answer
2. asked by Annie
3. 633 views
calculate the energy, in joules and caloriesrequired to heat 25.0g of water form 12.5 deg. celcius to 25.7 deg. celcius i know
1. 1 answer
2. asked by shaun
3. 2,904 views
How many moles of atoms are in one mole of AlPO4?
1. 1 answer
2. asked by Diana
3. 2,492 views
What are some issues today about gun control? I know that there are a lot of crimes that occur due to illegal gun users.
1. 10 answers
2. asked by Anonymous
3. 544 views
Instead of laying off workers, a company cut all employees hours from 40 hours to 3 hours a week. By what percent were employee
1. 3 answers
2. asked by Anonymous
3. 427 views
a .300 kg baseball is thrown at a speed of 6.5m/s. the batter hits the ball and it flies into the outfield at a speed of 19.2
1. 2 answers
2. asked by jay
3. 1,290 views
looking at all the averages on the front board, give at least three possible reasons for the values being different. classroom
1. 1 answer
2. asked by xavier
3. 482 views
A lightyear is a unit of length equal to the distance that light travels in 1 year. What is 1lightyear expressed in units of
1. 1 answer
2. asked by Cynthia
3. 596 views
The atmospheric pressure P in pounds per square inch (psi) is given by the formula below, where a is the altitude above sea
1. 1 answer
2. asked by Anonymous
3. 598 views
A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.20km,1.20km), and 1.16s later
1. 0 answers
2. asked by Amy
3. 453 views
Are we affected more by nature or nurture growing up?Nature being a person’s genes determining their physical and behavioral
1. 10 answers
2. asked by Rebecca
3. 784 views
An artifact was found and tested for its carbon-14 content. If 76% of the original carbon-14 was still present, what is its
1. 1 answer
2. asked by Anonymous
3. 651 views
Why must the limiting reactant be used to determine the theoretical yield?
1. 1 answer
2. asked by Ann
3. 437 views
help me solve system of equationx+7y=9 (1) x=4-7y (2)
1. 1 answer
2. asked by Clenisford J
3. 325 views
The half-life of 234U, uranium-234, is 2.52 105 yr. If 98.3% of the uranium in the original sample is present, what length of
1. 0 answers
2. asked by Anonymous
3. 590 views
Here is the second part. Thank you very much. Hopefully you can have a look at it, too.1) The Ministry of Truth, which exercises
1. 0 answers
2. asked by Henry2
3. 407 views
Thank you very, very much. Here are some more sentences on the summary of Orwell's 1984. I referred to the websites you
1. 1 answer
2. asked by Henry2
3. 433 views
a 43.7 kg student runs down the sidewalk and jumps with a horizontal speed of 4.48 m/s onto a stationary skateboard. the student
1. 1 answer
2. asked by annonymous
3. 799 views
a 43.7 kg student runs down the sidewalk and jumps with a horizontal speed of 4.48 m/s onto a stationary skateboard. the student
1. 0 answers
2. asked by annonymous
3. 616 views
a 43.7 kg student runs down the sidewalk and jumps with a horizontal speed of 4.48 m/s onto a stationary skateboard. the student
1. 0 answers
2. asked by annonymous
3. 708 views
Shown below are the data giving the length of life of lights in an underground tunnel.9.0 months 7.0 months 8.2 months 8.3
1. 1 answer
2. asked by Joy
3. 626 views
A 42.5 kg student runs down the sidewalk andjumps with a horizontal speed of 4.16 m/s onto a stationary skateboard. The student
1. 1 answer
2. asked by Angel
3. 877 views
A 1.46 × 104 kg railroad car moving at 7.05 m/s to the north collides with and sticks toanother railroad car of the same mass
1. 0 answers
2. asked by Angel
3. 512 views
I am needing several opions on this subject. Your opinion would be great!!Do you think the reconstruction was a success or
1. 3 answers
2. asked by Jaxon
3. 427 views
A 1500 kg car traveling at 17.6 m/s to thesouth collides with a 5000 kg truck that is initially at rest at a stoplight. The car
1. 5 answers
2. asked by Angel
3. 1,332 views
How did the cold war end?
1. 1 answer
2. asked by Anonymous
3. 476 views
How long has the gun control law been going on in the USA??
1. 5 answers
2. asked by Anonymous
3. 335 views
A chemical reaction is run in which 132 joules of work is done by the system amd the internal energy changes by 469 joules.
1. 2 answers
2. asked by Hannah
3. 2,889 views
how do you make the following sentence in a if...ans then statement?if you multitask the result won't be as good as you not
1. 1 answer
2. asked by sandy
3. 266 views
In November and December 2011, Gee Company, a newly organized magazine publisher, received $36,000 for 1,000 three-year
1. 0 answers
2. asked by shante
3. 538 views
how do you solve this.prove: cos2A plus cosA divided by sin2A minus sinA equal to cos2A plus 1 divided by sinA
1. 1 answer
2. asked by lungisile ntobela
3. 1,135 views
how can the concept of specific heat capacity of water be used to explain the heating and cooling patterns of oceans and climate
1. 1 answer
2. asked by Skye
3. 1,239 views
The heat of vaporization of bromine at its boiling point (59.6 °C) at 1.00 atm is 29.54 kJ/mol. Calculate the vapor pressure of
1. 1 answer
2. asked by WLP
3. 2,054 views
In 1-2 paragraphs answer the following:What was the Truman Doctrine and how did it come about?
1. 1 answer
2. asked by Diesel
3. 976 views
Please explain how you got this answer as well!A shape has a perimeter of 3.00 M. Is it possible that one side's length is only
1. 7 answers
2. asked by I need a answer to this ASAP please help
3. 1,381 views
A ball of mass 0,2kg travels towards a hockey player at 10 m.s-1.A force of 350N is exerted on the ball when she hits it so that
1. 0 answers
2. asked by Mluleki
3. 447 views
maybe making them pat thier head and rub their stomachor hear a lecture and draw while youre hearing it and then answer
1. 0 answers
2. asked by sandy
3. 401 views
a mass being held by a string moves with speed v on a circular path of radius r, and has a period of revolution T. if it was
1. 0 answers
2. asked by Becky
3. 512 views
Ella reports that the height of a tree in her school yard is 3.8m. If ella measured the tree to the nearest hundredth of a
1. 7 answers
2. asked by Anonymous
3. 2,363 views
View the results for a hypothetical psychology test psychology test. Then, create a report with the following:The mean score for
1. 3 answers
2. asked by p
3. 603 views
An object of mass 1,5 kg,is pulled along a rough horizontal surface by a horizontal force F.calculate the value of F if the
1. 0 answers
2. asked by Mluleki
3. 448 views
A 2.7 kg ball strikes a wall with a velocity of7.6 m/s to the left. The ball bounces oﬀ with a velocity of 5.2 m/s to the
1. 1 answer
2. asked by Angel
3. 550 views

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