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Questions Asked on July 6, 2010

A -4.0-µC charge is located 0.30 m to the left of a +6.0-µC charge. What is the magnitude and direction of the electrostatic
1. 3 answers
2. asked by Marie
3. 5,299 views
A meter stick is balanced at the 50-cm mark. You tie a 20-N weight at the 20-cm mark. At which mark should a 30-N weight be
1. 1 answer
2. asked by Jen
3. 5,110 views
A stone is shown at rest on the ground. A. The vector shows the weight of the stone. Complete the vector diagram showing another
1. 2 answers
2. asked by Anonymous
3. 4,846 views
"An airplane is climbing at an angle of 15 degrees to the horizontal with the sun directly overhead. The shadow of the airplane
1. 1 answer
2. asked by Stuck
3. 3,980 views
put following terms in order from smallest to largestbiome biosphere community ecosystem single species population order 1
1. 2 answers
2. asked by Sherrie
3. 3,039 views
When magnesium is heated in air, it reacts with oxygen to form magnesium oxide.2Mg + O2 --> 2MgO If the mass of the magnesium
1. 4 answers
2. asked by Kristen
3. 2,941 views
Give an example in which carbon moves from the abiotic to the biotic part of an ecosystem.An example which shows that carbon
1. 2 answers
2. asked by Amanda
3. 2,903 views
a sprinter accelerates from rest to 10.0 m's in 1.35 s. what is her acceleration in m/s^2
1. 2 answers
2. asked by marj
3. 2,742 views
Explain how the phosphorus cycle differs from the carbon cycle.The phosphorus cycle differs from the carbon cycle by the
1. 6 answers
2. asked by Amanda
3. 2,599 views
how many moles of HCl are needed to react with 2.3 moles of Zn in the following reaction? 2HCl + Zn --> ZnCl2 + H2
1. 3 answers
2. asked by Anonymous
3. 2,318 views
How many grams of ammonia are formed when 1.34 grams of nitrogen react with an excess of hydrogen(3 H2 + N2 reacts to form 2
1. 1 answer
2. asked by derek
3. 2,135 views
Ruth carelessly parks her car on a steep hill, leaving the car in neutral and failing to engage the parking brake. The car roles
1. 1 answer
2. asked by Kristy
3. 2,076 views
Rolaids consumes 47 times its weight in excess stomach acid. Can this be tested using quantitative measurements?
1. 2 answers
2. asked by wesley
3. 2,015 views
"A diver springs upward with an initial speed of 1.8 m/s from a 3.0 m board. Find the velocity with which the diver strikes the
1. 3 answers
2. asked by Stuck
3. 1,553 views
Which is the area of a circle with a circumference of 37.68 units? (use 3.14 for pi)
1. 3 answers
2. asked by Superman
3. 1,447 views
If x=6y, which of the following is a multiple of x?a. 12y b. 9y c. 5y d. 4y e. 3y
1. 2 answers
2. asked by peter
3. 1,190 views
4.The Kb of ammonia, NH3, is 1.8x10^-5. What is the pH of a 2.000 millimolar solution of ammonia , to 3 significant digits.
1. 1 answer
2. asked by Samantha
3. 1,170 views
you are given two equations which are both true , and yiu are asked to solve for both x and y. you plane to solve this set of
1. 2 answers
2. asked by lee
3. 1,154 views
I need some help on 2 anwers 1)is the following set of numbers a perfect triple? 8, 10,and 12. 2)Which pair of fractions is
1. 1 answer
2. asked by Jerome
3. 1,143 views
how weathering releases phospahte from rock?i really don't know, any sites i could go on to to get the answer? no wikipedia, or
1. 5 answers
2. asked by Sherrie
3. 1,141 views
"An object is rolled up an incline. If the object is 2.75 m up the incline after 4.50s and rolling back down at a velocity of
1. 2 answers
2. asked by Stuck
3. 1,102 views
How do you make this sentence parallel?The next two sections of the manual discuss how to analyze the data, the conclusions that
1. 1 answer
2. asked by Jr.
3. 1,088 views
IF XYZ AUTO CO SOLD 23,000 VEHICLES IN 1999, HOW MANY WERE SUV'S?IF 7,650 TRUCKS WERE SOLD IN 1999,HOW MANY TOTAL VEHICLES WERE
1. 1 answer
2. asked by ANNA
3. 1,044 views
What is a doctor’s responsibility if a patient requests restrictions on the use of his orher PHI? A. The doctor must comply
1. 1 answer
2. asked by Jessica
3. 1,018 views
The electric field across a cellular membrane is 1.0x10^7 N/C directed into the cell. What is the magnitude of the electric
1. 2 answers
2. asked by mrs. austin
3. 1,006 views
Suppose a car door lock has a five-button keypad. Each of the buttons includes two digits.How many different five-button patters
1. 2 answers
2. asked by Lola
3. 973 views
0.37 moles of xenon gas (Xe) are captured in a 1.0-L container at 25 degrees celcius. Given the van der Waals constants for Xe,
1. 1 answer
2. asked by Jordan
3. 936 views
Why is it that biochemists often remember the pKa of weak acids, rather than Ka?
1. 2 answers
2. asked by Juan
3. 919 views
A scientist wants to combine two metal alloys into 20 kg of a third alloy which is 60% aluminum. He plans to use one alloy with
1. 1 answer
2. asked by jay
3. 907 views
If we suppose that Kw = 1.0x10^-14 at 25C, would it be larger or smaller at 100C? What is the value of K for the reaction 8H +
1. 1 answer
2. asked by Juan
3. 906 views
describe the role of critical thinking and language/language diversity in persuasion.
1. 1 answer
2. asked by Denise
3. 899 views
A food web contains green plants, rebbts, squirrels, mice, seed-eating birds, hawks, and owls.Which organisms in this food web
1. 1 answer
2. asked by Amanda
3. 884 views
If 7y+9 represents an odd integer, which of the following represents the next smallest odd integer?a. 7(y-2)+1 b. 7(y-2) c.
1. 1 answer
2. asked by Anna
3. 874 views
Create a Topic Sentence where the blank space is.__________________________________________________________________. The goal of
1. 2 answers
2. asked by Jr.
3. 825 views
2. Discussion Question 1• Due Date: Day 2 (Main forum) • View the Vacuum Sales digital story located on the Materials tab of
1. 1 answer
2. asked by axia
3. 816 views
8/30=x/75solve for x
1. 2 answers
2. asked by Tiffany
3. 805 views
If chocolate is found to have positive health benefits, would this lead to a shift in the demand curve or a movement along the
1. 0 answers
2. asked by Anonymous
3. 776 views
I want to say D. Not sure hereWhich of the following is true in regard to limited data sets? A. Patients must authorize the use
1. 1 answer
2. asked by james
3. 759 views
KK I know that the Nitrogen cycle is the way that nitrogen in nature is changed into many different forms that are used by
1. 2 answers
2. asked by Amanda
3. 749 views
Calculate the volume of a sphere with a radius of 4.0 cm. Use pi=3.14 in your calculations. Assume the units are cm3 and do not
1. 2 answers
2. asked by moe
3. 748 views
if it takes 8 quarts of ice cream to feed 30 people, how many quarts will it take to feed 75 people?
1. 2 answers
2. asked by Tiffany
3. 732 views
Hi, I have a formula for modelling the variation in population density in terms of distance from a town centre;y= -3x^2 +6x+9
1. 2 answers
2. asked by Mario
3. 722 views
let i = the square root of -1 with i to the 1st power =i, i to the 2nd power= -1, i to the 3rd power =-i , i to the 4th power=1
1. 1 answer
2. asked by kate
3. 699 views
You are trapped in a room with two doors. One is to death and other lds to freedom. You don't know whic 1. There are two robots
1. 1 answer
2. asked by evaa
3. 689 views
A train traveling at 460 watts from England by the circumference of the city of Wisconsin Rapids terminating an airspeed to
1. 4 answers
2. asked by Alan Zamora
3. 682 views
I have two different questions I can't figure out.1) Projectile motion: At what initial speed must the basketball player throw
1. 1 answer
2. asked by Pat
3. 677 views
I Feel its B. Or D. Trcky questionAccording to the AMA, what is a key reason behind a physician’s duty of confidentiality to a
1. 2 answers
2. asked by cindy
3. 676 views
The line y=0.15x+0.79represents an estimate of the average cost of gasoline each year. The line 0.11x-y=-0.85 estimates the
1. 3 answers
2. asked by Michelle
3. 658 views
Explain why x^2 +5x + 8 is prime(not factorable) How do you know?Give 2 examples of a prime polynomial(can't be both binomials)
1. 2 answers
2. asked by Jaz
3. 651 views
What is the primary claim made by those who oppose hate crimes legislation?a)There is no way to catch all perpetrators of hate
1. 1 answer
2. asked by Ariel
3. 650 views
Give a reasonable sketch, on the axes provided, of the graph of thefunction x/(x^2-1)^1/2 showing all characteristics. Use the
1. 0 answers
2. asked by Anonymous
3. 648 views
A stone is shown at rest on the ground. A. The vector shows the weight of the stone. Complete the vector diagram showing another
1. 2 answers
2. asked by Anonymous
3. 640 views
When 0.668 L of Ar at 1.20 atm and 227°C is mixed with 0.258 L of O2 at 501 torr and 127°C in a 400 mL flask at 27°C, what is
1. 1 answer
2. asked by Casey
3. 624 views
A ball bearing assembly firm wants to set up an assembly line which must have an output of 60 units per hour. The work elements
1. 0 answers
2. asked by Special
3. 620 views
please explaing reversing the digits. Find the product of 2 two digit numbers and reverse the digits and find the product. The
1. 2 answers
2. asked by Robin
3. 613 views
how to solve for radius of horizontal curve with coordinates(NE) for points A,B, C on the curve
1. 2 answers
2. asked by Stacey Graham
3. 604 views
how is Gauss's Law use in determining the electric field anywhere around a point charge and how is this related to Coulomb's
1. 1 answer
2. asked by alex
3. 598 views
my first question still requires assistance, i need help with the first question i posted onto here. i will be grateful of your
1. 6 answers
2. asked by Sherrie
3. 596 views
3.The solubility product for silver (I) chloride is 1.6x10^-10 while that for sliver (I) iodide is 8.5x10^-17. Suppose 5g of
1. 2 answers
2. asked by Cindy
3. 585 views
2.Glycolic acid is often used in “facial peels” and has a Ka of 1.5x10^-4. If a movie star is to have a solution of pH 2.1
1. 2 answers
2. asked by GWM
3. 578 views
A stone is shown at rest on the ground. A. The vector shows the weight of the stone. Complete the vector diagram showing another
1. 1 answer
2. asked by Anonymous
3. 574 views
Solve by elimination method3x - 6y =4 3x - 6y =5 is the answer x=9 and I think it is inconsistant and not consistant
1. 2 answers
2. asked by Christy
3. 560 views
any ideas on how i can make a food chain in a pond ecosystem. i guess i can include fish, sharks, polar bear and stuff, but can
1. 4 answers
2. asked by Sherrie
3. 559 views
what r 2 major ways in which nitrogen is fixed in ecosystems?i don't get what they mean by "major" ways? also wikipedia uses
1. 2 answers
2. asked by Sherrie
3. 557 views
If an object weighs 39.2 N on Earth, what is its mass?
1. 2 answers
2. asked by Anonymous
3. 557 views
What is the primary purpose and functions of a contract?
1. 1 answer
2. asked by kisha
3. 552 views
Why is it more significant to write in the present tense when describing a person in comparison to writing in the past?
1. 1 answer
2. asked by CL
3. 548 views
a man walks 12 m due noth , 4 m due east and finally climbs up a vertical pole up to a height of 3 m . find his displacement.
1. 2 answers
2. asked by rucha
3. 543 views
IN NEED OF HELP. I HAVE A FIVE PAGE ESSAY TO WRITE ON ANTIGONE AND I HAVE NO CLUE WHAT THIS POEM IS TALKING ABOUT. CAN SOMEONE
1. 1 answer
2. asked by TIFFANY
3. 538 views
Uranium hexafloride is a solid at room temperature, but it boils at 56C. Determine the density of uranium hexafloride at 60C and
1. 1 answer
2. asked by Victoria
3. 538 views
This can be C. OR D. couldn't it be? A second hand statement? Dang! or even B.Keep running this through my head Which one of the
1. 2 answers
2. asked by Jessica
3. 537 views
Graph and state domain and range: f(x)=[x] (greatest integer function)
1. 1 answer
2. asked by Leila
3. 533 views
soilbean meal is 18% protein, cornemeal is 9% protein ow many pounds o each should be mixed together in oder to get 360lbs.
1. 1 answer
2. asked by Louren
3. 522 views
Which Amendment extended voting rights to women?19th
1. 1 answer
2. asked by Ariel
3. 513 views
I am a bit confused about this question, can someone help please!What is unusual about a case involving res ipsa loquitor? A.
1. 1 answer
2. asked by linda
3. 512 views
soilbean meal is 18% protein, cornemeal is 9% protein ow many pounds o each should be mixed together in oder to get 360lbs.
1. 1 answer
2. asked by Louren
3. 499 views
1.0 mol of nitrogen oxide NO and 1.0 mol of oxygen were mixed in a container and heated to 450 oC. At equilibrium the number of
1. 1 answer
2. asked by jemy
3. 499 views
Need simple interest rate (rounded to hundreths) on a loan of $3500 which in two months the maturity value was $3583. What is
1. 1 answer
2. asked by Lisa
3. 490 views
Is the following set of numbers a perfect triple? 8, 10, 12. (2)Add -3/5+(8/35) (3).Which of the following are not like terms?
1. 1 answer
2. asked by Jerome
3. 489 views
What are examples of Irresponsible Persuasion? Other than peer pressure
1. 0 answers
2. asked by Jr.
3. 488 views
i have to make a project on safer construction practises for flood help me but want only 10 questions on this topic
1. 0 answers
2. asked by saima
3. 484 views
Which expression represents the sum of the following?(5)/ (2t + 1) + (-1) / (4t^2 + 4t + 1) a) 10t + 4 / (2t + 1)^2 b) 4 / (2t +
1. 2 answers
2. asked by sean
3. 481 views
Victoria has two tea sets that are similar in size. The larger teapot is 12in tall and 6in wide. if the smaller teapot is 8in
1. 1 answer
2. asked by Tiffany
3. 473 views
in triangle abc angle b is 3 times angle a and angle c is 8degrees less than 6 times angle a?
1. 1 answer
2. asked by dj
3. 473 views
If Joseph decided that he wanted to have $300,000 accumulated in 30 years by making an annual payment at the end of each year
1. 1 answer
2. asked by Lisa
3. 472 views
How do you convert the square-root of 2 into a decimal? The question states:"write the numbers in increasing order" The numbers
1. 1 answer
2. asked by Alisa
3. 463 views
The state legislature where Brighton was governor passed a statute giving him the power to nullify the Bill of Rights of the
1. 1 answer
2. asked by Kristy
3. 462 views
Which is the area of a circle with a radius of 5 units? (use 3.14 for ) answer in square units.
1. 1 answer
2. asked by Superman
3. 455 views
Victoria has 2 tea sets that are similar in size. the larger teapot is 12in tall and 6in wide. if the smaller teapot is 8in
1. 1 answer
2. asked by Tiffany
3. 453 views
ms. sue i have another question for the food chain and i posted it on that post.
1. 3 answers
2. asked by Sherrie
3. 450 views
What do you think was Lance Armstrongs purpose in writing his book Its Not About The Bike?
1. 1 answer
2. asked by Luke
3. 438 views
How do perform the indicated operation.15/13-13/15
1. 1 answer
2. asked by Jerome
3. 430 views
Imagine if Flight 93 landed safely on the ground during Sep. 11. What would have happened to the passengers and hijackers?
1. 2 answers
2. asked by AL 92
3. 430 views
I can not get a handle on this one.Jerome is 66 inches tall, what weights will keep his BMI between 18-27 ? I= 700w/h2 I think
1. 1 answer
2. asked by Christy
3. 426 views
1. He ate lots of red bean sherbet.2. He ate lots of it. (Can we use #2? It refers to red bean sherbet. What does 'lots'
1. 7 answers
2. asked by rfvv
3. 417 views
What are the differences between legislation and regulation?
1. 2 answers
2. asked by kisha
3. 416 views
i want to make an project on safer construction practises for tsunami only want 10questions on this topic
1. 2 answers
2. asked by saima
3. 403 views
In what year did Congress pass a law prohibiting employment discrimination against people with disabilities?1965
1. 1 answer
2. asked by Ariel
3. 401 views
ms.sue, how would you solve the square-root of two manually, without a calculator?
1. 3 answers
2. asked by Alisa
3. 401 views
A weak monoprotic acid was calculated, using the usual formula for Ka, to give a pH of 7.4 at a certain concentration. The
1. 0 answers
2. asked by Robert
3. 394 views

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