sam

Questions and answers by visitors named sam

Questions (1,761)

Which region was the center of Moorish culture on the Iberian Peninsula?A. Castile-León B. Aragon C. Majorca D. al-Andalus
1. 40 answers
2. asked by sam
3. 10,704 views
Which of the following technologies required the measurement of the stars for navigation?A. compass** B. lateen C. Mercator
1. 10 answers
2. 3,219 views
Which of the following was the purpose of the first British colony in Australia?A. to benefit from Australia's strategic
1. 7 answers
2. asked by sam
3. 2,539 views
Why did the growth of trade and industry weaken feudalism
1. 9 answers
2. 3,348 views
if it takes 31,500 joules of heat to warm 750g of water, what was the temperature change?My answer: Q = (M) (DeltaT) (c) Delta
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2. 6,056 views
An aircraft flies at an altitude of 30,000 feet. Determine the air temperature (in [K]), air pressure (in [Pa]) and air density
1. 6 answers
2. 4,282 views
Between 1860 and 1914, what was the destination of 90 percent of European emigrants?
1. 17 answers
2. asked by sam
3. 2,473 views
A total of 180 marbles (gray, white, and black) are placed in a line. If the first five are gray, followed by four, followed by
1. 4 answers
2. 1,153 views
A magnetic particle weighing 3.6 grams is pulled through a solenoid with an acceleration of6m/s2. Compute the force in pounds
1. 4 answers
2. 1,256 views
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299K. If I raise the temperature to 350K
1. 5 answers
2. 5,684 views
a hydrauli press has a ram of 30 cm diameter and plunger of 4.5cm diameter. find the the weight lifted by the hydraulic press
1. 7 answers
2. 9,681 views
what are the dimentions of three different rectangular prisms that each have a surface area of 72?
1. 4 answers
2. 578 views
during the takeoff roll, a boeing 747 jumbo jet is accelarating at 4m\s. it requires 40 s to reach takeoff speed. what is the
1. 4 answers
2. 2,027 views
In order to compare to function to determine which has the greater output for the input 0, which characteristic of the function
1. 5 answers
2. 1,319 views
How were the ideas of Enlightenment thinkers influenced by the Scientific Revolution?
1. 35 answers
2. 3,327 views
A small ball is set in horizontal motion by rolling it with a speed of 3.00 m/s across a room 12.0m long, between two walls.
1. 1 answer
2. 731 views
if the specifc heat of iron = 0.46J/g C,how much heat is needed to warm 50g of iron from 20C to 100C-- I do not know how to make
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2. 5,836 views
Thanks can you check one moreIf it takes 105 calories to warm 100g of aluminium from 20oC to 25oC, what is the specific heat of
1. 7 answers
2. 4,392 views
An unknown metal is found to have a density of 19.300 g/cm^3 and to crystallize in a body-centered cubic lattice. The edge of
1. 4 answers
2. 4,708 views
The Carsons are putting a rectangle swimming pool in their yard. It will measure 20ft by 12ft. They plan to have a cement
1. 5 answers
2. 610 views
Consider a window the shape of which is a rectangle of height h surmounted by a triangle having a height T that is 1.1 times the
1. 4 answers
2. 10,609 views
What mass of ice is needed to cool 60g of water from 43oC to 20oC
1. 4 answers
2. 1,229 views
A normal population has mean 100 and variance 25. How large must the random samplebe if we want the standard error of the sample
1. 5 answers
2. 5,304 views
When a 644 lb boat is moving at 10fps, the motor conks out. How much farther will the boatglide, assuming its resistance to
1. 5 answers
2. 1,942 views
Mr Badger buy 12 pens for $x each. The price of the pens have now increased by 15cents each. And he can only afford to buy 10
1. 3 answers
2. 266 views
A local shop sells two different types of tea. They know that the maximum number of cups of orange pekoe tea and chamomile tea
1. 2 answers
2. 253 views
what does frustrastion mean?excuss my spelling. Frustration is the feeling that you get when you try to do something and can't.
1. 2 answers
2. 606 views
A 145. drop tower. This is an evacuated vertical tower through which , among other possibilities, a 1m diameter sphere
1. 1 answer
2. 790 views
places that have the same, or common, characteristics ar referred to as....shires, traits, regions, or provinces? regions
1. 1 answer
2. 426 views
why is urine yellowit depends on what you ate or what color it was
1. 1 answer
2. 253 views
in a dictionary which are the guide words and which are the entry words?guide words are the words that are in the corners of the
1. 3 answers
2. 732 views
simplify 12b^-6/3a^0please specify parentheses please. it can be read so many ways and the answer changes each time.
1. 1 answer
2. 426 views
3 dimensional shapesWhat about them? Do you need examples? A sphere is one. You can think of others. 3D shapes are figures that
1. 1 answer
2. 1,177 views
please help meI want to know which is right: Does your father interested in sports. or: Is your father interested in sports.
1. 1 answer
2. 342 views
the number of locust doubles every minute and the skies were full after one hour, when were the skies half full?
1. 1 answer
2. 374 views
how much dose smoking cost Ontario canada taxoayers because of health care? plz answer asap!Your exact answer is at the
1. 1 answer
2. 446 views
Does copper rust in the presence of water?No. In the olden days wooden ships were coated with copper metal to prevent wood
1. 1 answer
2. 369 views
how do the masses of elements relate?(similar/difference)Please clarify the question. Generally, the mass increases as we go
1. 1 answer
2. 867 views
Does anyone know what arguments could come from nuclear energy?An argument for nuclear energy is that it is more efficient than
1. 1 answer
2. 580 views
what is boredom??? and why do i have it doing homework???You can find the answer by tyoing my name in google :) The short answer
1. 1 answer
2. 428 views
what is the ngeometric mean of 4 and 4by definition, sqrt (4*4) or 4 how do you find the geometrical mean of a right triangle?
1. 1 answer
2. 331 views
Can anyone suggest to me any sources of research, like sites, books or magazines on global warming for my research paper?One
1. 1 answer
2. 620 views
I need an attention graber to start my paper off. It's on global warming and its effects on the environment. Any help?Here are
1. 1 answer
2. 483 views
-128 degrees has a reference angle of what?It depends. Where zero is is arbritary. In polar coordinates, and geographical
1. 1 answer
2. 448 views
When four people with a combined mass of 320 kg sit down in a car, they find that the car drops .80 cm lower on its springs.
1. 3 answers
2. 1,134 views
I am studying science at GCSE. I a working through a revision book and have come across a question which i am unsure of the
1. 1 answer
2. 1,242 views
Please could someone give me a link to a site that explains waht an alkali is? thanksI don't know of a site BUT I probably can
1. 1 answer
2. 631 views
please could someone give me a link for tectonic activity revision.Is this what you're looking for?
1. 1 answer
2. 538 views
any facts on animal testing and why it is bad is good (unless it is a stupid 1 like it just is then not that)One thing you can
1. 1 answer
2. 627 views
who invented the theory of relativity?Check this site. http://en.wikipedia.org/wiki/Theory_of_relativity thank you!
1. 1 answer
2. 526 views
why do skin cells need protection from ultraviolet radiation? please could someone help me.http://www.ccohs.ca/oshanswers/diseas
1. 1 answer
2. 372 views
i do not understand this question please will someome help me!'The ion that makes solutions acidic is... H+ or NH4+ or NO3- or
1. 1 answer
2. 433 views
a security camera in a bank is mounted on the wall 6.2 ft above the level of the counter and 9.4ft behind the front edge of the
1. 1 answer
2. 1,081 views
a cliff is 125ft high. the angle of depression of a ship from the top of the cliff is 14.6 degrees. determine the distance of
1. 1 answer
2. 662 views
In the product F(vector)=q(V(vector)xB(vector), take q = 4,V(vector)= 2.0i + 4.0j + 6.0k and F(vector)= 136i -176j + 72k. What
1. 1 answer
2. 1,135 views
In unit-vector notation, what is the net torque about the origin on a flea located at coordinates (-2.0, 4.0 m, -1.0 m) when
1. 3 answers
2. 1,539 views
Posted by sam on Wednesday, March 28, 2007 at 7:32pm.In unit-vector notation, what is the net torque about the origin on a flea
1. 1 answer
2. 1,018 views
In the product F = qv · B , take q = 4,= 2.0i + 4.0j + 6.0k and = 136i -176j + 72k. What then is in unit-vector notation if Bx
1. 3 answers
2. 2,622 views
n the product F = qv · B , take q = 4,= 2.0i + 4.0j + 6.0k and = 136i -176j + 72k. What then is in unit-vector notation if Bx =
1. 1 answer
2. 722 views
In the product F = qv · B , take q = 4,v = 2.0i + 4.0j + 6.0k and F= 136i -176j + 72k. What then is in unit-vector notation if
1. 1 answer
2. 420 views
Figure 1 shows a snowmobile accident
1. 1 answer
2. 398 views
A police officer arrives at the scene of the collision of the two snowmobiles (Figure 1) to find both drivers unconscious. When
1. 3 answers
2. 570 views
A police officer arrives at the scene of the collision of the two snowmobiles (Figure 1) to find both drivers unconscious. When
1. 1 answer
2. 492 views
40 divided by 85 8+8=16 16+8=24 24+8=32 32+8=40 Count the eights...and you get five. Get it?
1. 1 answer
2. 327 views
describe the diffrence between:a) A beam bridge and a suspension bridge; b)an arch bridge and a cantilever bridge; c)a truss
1. 1 answer
2. 675 views
How will the osmotic pressure of an aqueous solution change as evaporation occurs?does it even change? or does it increase?
1. 1 answer
2. 512 views
15029 What is the hydronium ion (aka H+) concentration for a solution that is 2.50 x 10-4M in hydroxide.what do i do here? The
1. 1 answer
2. 656 views
MF015 59 What is the acid dissociation constant for HA if pH = 2.74? [HA] = 0.020M?MF12063: What is the minimum energy barrier
1. 1 answer
2. 410 views
give one example of two elements that would be placed incorrecty if they were in order of their relative atomic masses. and
1. 1 answer
2. 455 views
if 20.2g of zn react with and equal amount of magnesium chloride to form magnesium and zinc chloride[zn+mgcl2>mg+zncl2] a.what
1. 1 answer
2. 637 views
dale placed six cARDS IN A BAG.QONE CARD IS LABELD 1,TWO CARDS ARE LABELD2,AND RTHREE CARDS ARE LABELD 3.FIND THE PROBABILITY
1. 1 answer
2. 341 views
dale placed six cARDS IN A BAG.QONE CARD IS LABELD 1,TWO CARDS ARE LABELD2,AND RTHREE CARDS ARE LABELD 3.FIND THE PROBABILITY
1. 1 answer
2. 453 views
why does a soda explode in a cold car?How do you define "cold"? What type of container are you referring to? Were you in the act
1. 2 answers
2. 536 views
how does the atmosphere change at high altitudes?Since this is not my area of expertise, I searched Google under the key words
1. 1 answer
2. 473 views
how can you prove that there are air molecules in an inflated football?why do mechanics tell you to check your car tires in the
1. 1 answer
2. 367 views
name three ways to increase the pressure inside an oxgen tankWhat do you think? Heat the tank? Add oxygen? Add another gas?
1. 1 answer
2. 392 views
why do rabbits keep turning thier ig,sound-collecting ears?compare and contrast the information of an evaporite rock to one of
1. 1 answer
2. 446 views
How may new data affect the flood-frequency curve?Thank you for using the Jiskha Homework Help Forum. Just look at all the
1. 1 answer
2. 386 views
A silver-copper alloy had a mass of 0.1264g. When the alloy was dissolved in nitric acid and the silver precipitated as silver
1. 4 answers
2. 1,977 views
f(x)=x+1/x g(x)=x+1/x+2f of g? g of f? f of f? g of g?
1. 1 answer
2. 273 views
draw a glycogen that contains alpha 1,4 and alpha 1,6 glycosidic bonds.please could someone point me in the right direction.
1. 3 answers
2. 487 views
describe and explain the atmospheric processes that influence global climateplease could somebody point me in the right
1. 1 answer
2. 328 views
Cash Flow and Profits: On-Line Retailer Temps CustomersStatement; "Buy Now Pay 2008 - Why Wait? With absolutely nothing to pay
1. 1 answer
2. 467 views
how do u find the inverse of2^-t/4
1. 3 answers
2. 342 views
what might occur if the following happend:1. A company delays paying its suppliers 2. Workers don't get paid 3. Bills are unpaid
1. 1 answer
2. 356 views
what might occur if the following happend:1. A company delays paying its suppliers 2. Workers don't get paid 3. Bills are unpaid
1. 1 answer
2. 344 views
What is the relationship between the size of mammals and their surface area:volume ratio?please could someone help me!!
1. 3 answers
2. 523 views
insulin is formed by which type of monomer?please could somebody help me! thank you!
1. 1 answer
2. 298 views
With a confidence level of .95 and a confident interval of 5 and apopulation of 20,000 what is the sample size? With a
1. 1 answer
2. 741 views
please could someone give me good websites which so a fully labled ventilation system of a fish and gills
1. 1 answer
2. 326 views
who invinted the v2 rocket
1. 4 answers
2. 342 views
I am stuck on a question that asks for the resultant force(magnitude + direction)question says : A rope is strung between a car
1. 1 answer
2. 502 views
I am stuck on a question that asks for the resultant force(magnitude + direction)question says : A rope is strung between a car
1. 3 answers
2. 835 views
question:algo mas grande que un elefante answer: unos casas son mas grandes que un elefante are words and plurals correct in
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2. 476 views
questionalgo mas delgado que una serpiente answer Unas papas fritas son mas que una serpiente is this correct
1. 3 answers
2. 547 views
Questionalgo mas feo que una cucaracha answer unos camarones son mas feo que una curarcha is this correct
1. 3 answers
2. 547 views
questionalquien mas famoso que el presidente answer alquien Goerge Washington son mas famous que el presidente is this correct
1. 3 answers
2. 407 views
Question:algo mas dificil que un examen de espanol Answer: unas Ingles son mas dificil que un examen de espanol Is this correct
1. 3 answers
2. 579 views
all instruction says is come up with thigns that fit following description. our school is closed today & tommorrow b/c of fires
1. 1 answer
2. 409 views
question: algo mas grande que un elefanteanswer: unas casas son mas grande que un elefante I think i got it right but why use
1. 1 answer
2. 458 views