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Questions Asked on February 6, 2008

A 40.0kg child is in a swing that is attached to ropes 2.00m long. Find the gravitational potential energy associated with the
1. 3 answers
2. asked by Robert
3. 6,677 views
two charged particles are projected into a magnetic field that is perpendicular to their velocities. if the particles are
1. 2 answers
2. asked by tina
3. 4,756 views
The seeds of the garden pea are either yellow or green. A certain cross between pea plants produces progeny in the ratio 3
1. 3 answers
2. asked by BETH
3. 3,747 views
NaCl crystallizes in face-centered cubic cell. what is the total number of ions(Na+ ions and Cr- ions) that lie withing a unit
1. 2 answers
2. asked by Lauren
3. 3,343 views
The unit cell with all sides the same length and all angles equal to 90 degrees that has lattice points only at the corners is
1. 2 answers
2. asked by Lauren
3. 3,174 views
Suppose you are going to roll a die 60 times and record the proportion of times that a 1 or 2 is showing, s. The sampling
1. 4 answers
2. asked by Belinda
3. 2,984 views
How many moles of ethylene glycol must be dissolved in 500 g of water (Kf = 1.86) to lower the freezing point to -5.00 0C?
1. 3 answers
2. asked by Mark
3. 2,273 views
What portion of the volume of each atom or ion on the face of a unit cell is actually within the unit cell1/2 1/4 3/4 all of it
1. 2 answers
2. asked by Lauren
3. 2,065 views
Cr2O3 + 3CCl4 ---> 2CrCl3 + 3CCl2OIn one experiment, 6.37 grams of Cr2O3 was treated wiht excess CCl4 and yielded 8.75 grams of
1. 3 answers
2. asked by Miley
3. 2,046 views
Use the activity series of metals to write a balanced chemical equation for each single-replacement reaction.Zn(s) + AgNO3 (aq)
1. 2 answers
2. asked by stacy
3. 1,912 views
What mass of PbI2 can be formed from 75.0 mL of 0.65 M NaI by adding excess Pb(NO3)2?Pb(NO3)2 + 2NaI ---> PbI + 2NaNO3
1. 1 answer
2. asked by Ken
3. 1,701 views
The denominator of a fraction is 2 less than twice the numberator. If the numerator is decreased by 2 and the denominator is
1. 1 answer
2. asked by bb
3. 1,597 views
3.) One method used in the eighteen century to generate hydrogen was to pass steam through red-hot steel tubes. The following
1. 7 answers
2. asked by mhaidar9108
3. 1,563 views
In a large population of adults, the mean IQ is 112 with a standard deviation of 20. Suppose 200 adults are randomly selected
1. 1 answer
2. asked by Belinda
3. 1,474 views
Which of the following numbers could notpossibly be probabilities? justify your answer a)0.124 b)1 c)-0.1142 d)0 e)2/7 f)6/5
1. 2 answers
2. asked by mary
3. 1,332 views
The weights of extra large eggs have a normal distribution with a mean of one ounce and a standard deviation of 0.1 ounces. The
1. 1 answer
2. asked by Hannah
3. 1,332 views
What items can be measured in kiloliters, hectoliters, decaliters, liters, deciliters, centiliters, and millimeters??
1. 5 answers
2. asked by Sam
3. 1,319 views
why aerosol cans have warning "Do not expose to high temperature and do not incinerate"?
1. 1 answer
2. asked by Jiann
3. 1,317 views
What items are measured in kiloliters, hectoliters, decaliters, deciliters, and centiliters.I need items that would be measured
1. 3 answers
2. asked by Sam
3. 1,301 views
What can be measured in hectometers??BTW about how old is everyone here? I cant answer most of the questions because their too
1. 4 answers
2. asked by Sam
3. 1,226 views
what problems were present in american life during the late 1880s and early 1990sThis all has to deal with the progressive era
1. 1 answer
2. asked by mike
3. 1,203 views
A NEW STATE LAW MANDATES THAT ALL EMPLOYERS MUST PORHIBIT SMOKING ON PRESMISES. THE LAW FURTHER PROVIDES THAT ANY EMPLOYER WHO
1. 6 answers
2. asked by Dee
3. 1,177 views
The brakes on a car permit it to decelerate at the rate of -8.0m/s^2. How much distance is required to stop this car when it is
1. 2 answers
2. asked by David
3. 1,139 views
1-What is a benefit of nuclear power?2-How does nuclear compare to coal? 3-What are some problems with nuclear power? 4-What
1. 1 answer
2. asked by Dicle
3. 1,113 views
Using calories, how much heat will 32 grams of water absorb when it is heated from 25 C to 80 C?
1. 1 answer
2. asked by chelsea
3. 1,102 views
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds.how much force was exerted on
1. 1 answer
2. asked by lisa
3. 1,043 views
A NEW STATE LAW MANDATES THAT ALL EMPLOYERS MUST PORHIBIT SMOKING ON PRESMISES. THE LAW FURTHER PROVIDES THAT ANY EMPLOYER WHO
1. 2 answers
2. asked by DEE
3. 1,033 views
How was it determined that a circle is 360 degrees and all angles of a triangle equal 180 degrees?
1. 3 answers
2. asked by Alex
3. 977 views
Prove the identity and give its domain.4sinxcosx+sin4x=8sinxcos^3x
1. 1 answer
2. asked by Courtney
3. 936 views
A saturated solution of ammonium sulfate, (NH4)2SO4, in water at 30 0C contains 78.0 g (NH4)2SO4 per 100.0 g H2O. What is the
1. 1 answer
2. asked by robert
3. 921 views
when preparing to undergo an MRI scan, why are patients advised to remove eyeglasses, watches, jewelry, and other metal objects?
1. 1 answer
2. asked by tina
3. 881 views
What is the Japanese translation of this sentance:"I think that that woman is Mary's Japanese teacher" Could the answer pleased
1. 2 answers
2. asked by Joe
3. 820 views
Why would an Arctic ecosystem be more fragile than a southern forest ecosystem?
1. 1 answer
2. asked by Faye
3. 784 views
Doug Maltbee formed a lawn service business as a summer job. To start the business on May 1, he deposited $1,000 in a new bank
1. 1 answer
2. asked by Anonymous
3. 770 views
What is the Japanese translation of this sentance:"I think that that woman is Mary's Japanese teacher"
1. 1 answer
2. asked by Joe
3. 754 views
A piece of land measures 3 3/4 acres and is for sale at $60,000. What is the price per acre?How do I set this up? 3*4+1=15/4
1. 9 answers
2. asked by will
3. 738 views
A capacitor is made from two 1.2 cm diameter coins separated by a 0.18 mm thick piece of paper (K = 3.7). A 6 V battery is
1. 1 answer
2. asked by BLESSED
3. 734 views
Scenario:John is an 18-year-old freshman at New York University. John was the starting quarterback at his high school in a small
1. 1 answer
2. asked by Michelle
3. 730 views
what is the magnetic effect of placing two wires with equal but oppositely directed currents close together or twisted about
1. 1 answer
2. asked by tina
3. 729 views
can you please look over this essay I'm already late and need to turn this in today?Most people believe that America waged war
1. 1 answer
2. asked by kgram
3. 727 views
Answer questions positively using complete sentences1. Me afeite esta manana antes de ir al trabajo? 2. Nos ponemos los vestidos
1. 2 answers
2. asked by sam
3. 717 views
Assess America's contribution to the Allied victory in World War I. Do you think that the US's involvement was crucial to
1. 2 answers
2. asked by Christie
3. 692 views
Iodine-131 is used to treat hypo-thyroidism since it is preferentially absorbed by the thyroid and typically involves a total
1. 2 answers
2. asked by anonymous
3. 690 views
can anyone help me correct this please ?En mi colegio, las chicas llevan un jersey azulmarina, una falta negro y una camisa
1. 2 answers
2. asked by quick help please
3. 689 views
I am a co-op student in a Grade 1 class have been preparing lessons have to develop a language lesson on Valentine's Day
1. 7 answers
2. asked by Taunya
3. 687 views
A string of mass m=.1kg is stretched to where its length is L=20m. What is the tension force applied to the string if it takes a
1. 1 answer
2. asked by Andrea
3. 685 views
find the net force produced by a 40 newton force and a 50 newton force in each of the following cases:both forces act in the
1. 1 answer
2. asked by john
3. 681 views
Hi I hope you are feeling betterI have 4 sentences. answer the questions positively using complete sentences. Present -
1. 2 answers
2. asked by sam
3. 666 views
A family of 2 adults and 4 children visited Sentosa during the June holidays.An adult ticket cost $18.90 and a child ticket
1. 1 answer
2. asked by sally
3. 646 views
is this correctnosotros nos duchamos antes de entrar en la piscina not sure if I put in antes?
1. 2 answers
2. asked by sam
3. 642 views
a MAGNET CAN EXERT A FORCE ON A MOVING CHARGED PARTICLE, BUT IT CAN NOT CHANGE THE PARTICLE'S KINETIC ENERGY. WHY?
1. 1 answer
2. asked by tina
3. 629 views
what is it mean to "foil" in math
1. 1 answer
2. asked by kitty
3. 625 views
If an air mass from the gulf of mexico is pushing north into pittsburgh which has been under the influence of a canadian air
1. 2 answers
2. asked by Connor
3. 625 views
3.) One method used in the eighteen century to generate hydrogen was to pass steam through red-hot steel tubes. The following
1. 2 answers
2. asked by mhaidar9108
3. 617 views
I need help interpreting a paragraph in the federalist papers. It is Federalist No. 10 the paragraph is."It is in vain to say,
1. 1 answer
2. asked by Jay
3. 615 views
How do i solve these problems:1. 2(-5y^3)^2+(-3y^3)^3 2. Lemon juice is 10^2 times as acidic as tomato juice. Tomato juice is
1. 2 answers
2. asked by Jaylin
3. 613 views
I'm doing a Map of the Month, and i'm almost done. I just have to locate and lable 3 rivers. (Helmand River, Amu Darya River and
1. 1 answer
2. asked by Dawn
3. 591 views
Could you please review my work and see what i'm doing incorrectly? Thank youGiven this information: CxHyOz (s) + O2 (g) ---->
1. 2 answers
2. asked by Jake
3. 587 views
Is this correct?subtract (4a^3+2b^3)-(6a^3+5a^2b-2ab^2+2b^3) answer: -2a^3-5a^2b+2ab^2
1. 3 answers
2. asked by bb
3. 583 views
Why do you think newspaper publishers use telemarketing to develop a customer base?
1. 2 answers
2. asked by candy
3. 578 views
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 secondshow much force did the puck
1. 1 answer
2. asked by john
3. 577 views
antonym of unusual and against
1. 1 answer
2. asked by Brandon
3. 572 views
I do not understand how to set up this problem so i can solve it.Jeff Bagwell of the Houston Astros has 104 hits in 325 times at
1. 8 answers
2. asked by will
3. 563 views
How would you approach a question like There are 6.02x 10 to the power of 23 atoms in one mol of atoms, how many atoms are there
1. 1 answer
2. asked by Katrina
3. 559 views
explain The British mercantile system and its purpose and significant consequences
1. 2 answers
2. asked by Jackson
3. 552 views
Was Maltbee's summer work successful? Give the reason for your answer. What are the steps in the accounting cycle?
1. 3 answers
2. asked by Anonymous
3. 549 views
Find the instantaneous velocity of a pendulum at the instant when its bob is at the height equal to half of its maximum height
1. 1 answer
2. asked by Andrea
3. 546 views
using literary elements, compare and contrast Abigail Adams' letter to her daughter with Jan de Crevecoeur's Letters from an
1. 1 answer
2. asked by Winter
3. 540 views
I want to be a plastic surgeon, is going to a community college for my general eds going to affect me?
1. 3 answers
2. asked by Ashlee
3. 536 views
what would leryec be unscrambled
1. 4 answers
2. asked by becca
3. 536 views
delta T = Kf*molalityPlug in 5.00 C for delta T, 1.86 for Kf and calculate molality. Then molality x kg solvent x molar mass =
1. 3 answers
2. asked by Mark
3. 535 views
Can someone give me a website about segregation facts that is still happening now?
1. 1 answer
2. asked by astrid
3. 523 views
In the U.S. 42% of the population has type A blood. Consider taking a sample size 4. Let y denote the number of persons in the
1. 1 answer
2. asked by alice
3. 521 views
is this correct grammar -si, ponemos nuestra los vestidos en la habitacion del hotel?
1. 2 answers
2. asked by sam
3. 521 views
is this right?Divide and check: 12x^3y^2/2x^5y^2 answer: 6x^-2
1. 0 answers
2. asked by bb
3. 518 views
What article in the constitution does it state Who has the power to settle disputes involving the United States?
1. 1 answer
2. asked by Spencer
3. 512 views
http://www.jiskha.com/display.cgi?id=1202238583Just in case you missed this below ...
1. 0 answers
2. asked by Writeacher
3. 504 views
Hi, I am studying energy movements in ecosystems. Could you help me with this question:What type of food would be consumed by a
1. 1 answer
2. asked by Faye
3. 499 views
I need to find a way to measure protein concentration.It's for part of my infection and immunity lab report. We've done about
1. 0 answers
2. asked by Abbie
3. 494 views
rewrite using radicals and rational numbersCos 3(pi)/8
1. 1 answer
2. asked by Lindsay
3. 493 views
(-7x+3)+(4x^2+1/2x-10)Simplify answer - -14x^2+8x^2-13 over denominator of 2?
1. 0 answers
2. asked by becky
3. 492 views
find the two equations of lines that are parallel and perpindicular to the lines with this eqaution. y=3x+9 how do u do this
1. 3 answers
2. asked by amp
3. 492 views
f(x)= {kx-3 if x is less than or = to 1{x^2+k if x is greater than 1 find k such that lim f(x) (x to 1) exists
1. 0 answers
2. asked by morgan
3. 490 views
The surname of the king who claimed the throne in 1066 ?
1. 1 answer
2. asked by Grace
3. 488 views
I have no idea what to do for a project can you help me?
1. 2 answers
2. asked by anymous
3. 486 views
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds how much force was exerted on
1. 1 answer
2. asked by john
3. 485 views
how do you add fractions with uncommon denominators?
1. 2 answers
2. asked by chase
3. 484 views
What would be some creative writing prompts I could write about? Sci-Fi related or anime or something like that?
1. 1 answer
2. asked by Tommy
3. 471 views
I need to write an essay about Elvis Presley. When I look online, these biographies are too long. Help!
1. 2 answers
2. asked by Binh-An
3. 468 views
What type of a social scientist would research "where does the most crime happen in the world"?
1. 3 answers
2. asked by as
3. 466 views
Choose the correct greatest common factor of 75, 195, and 325.
1. 3 answers
2. asked by will
3. 466 views
aLTERNATIVES FOR GABAPENTIN, LESS SIDE EFFECTS. NEURONTIN ORIGINALLY PRESCRIBED FOR NEUROPATHY, POST BONE MARROW TRANSPLANT.
1. 1 answer
2. asked by JANE
3. 462 views
i need information on my atom project, my atomic number is 73
1. 2 answers
2. asked by chrystal
3. 461 views
how do i make a number period if i am given a grid and a number of different numbers to work with?
1. 1 answer
2. asked by alexa
3. 460 views
What are the United States agricultural imports?
1. 1 answer
2. asked by twila
3. 459 views
can anyone please explain to me how to simplify this exponential expression??I got no idea...THANKS A LOT![(-8x^6)/(y^-6)]^2/3
1. 1 answer
2. asked by Kelly
3. 456 views
A swing is 2m long. how often do you need to push it to increase its swing's amplitude the most?L=2m When amplitude is the most
1. 1 answer
2. asked by Andrea
3. 449 views
It was 47F today. How many degrees above freezing is this?Number Sentence____________________ Answer____________
1. 2 answers
2. asked by Justin
3. 447 views
Factorc^2+3c-54 v^2-4v-21
1. 3 answers
2. asked by bb
3. 441 views
how is possible that we can get esters of carbon acid anhydrides but of esters we can't make anhidrous acids?
1. 0 answers
2. asked by black
3. 439 views

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