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Questions Asked on November 19, 2011

Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring
1. 1 answer
2. asked by meagan
3. 5,339 views
CH4 + 2O2 ---> CO2 + 2H2ODelta H H2O= -285.8 kJ/mole Delta H CO2= -393.3 kJ/mole What is the standard heat of formation of
1. 1 answer
2. asked by kc
3. 4,550 views
A hoop of mass M = 3 kg and radius R = 0.5 m rolls without slipping down a hill, as shown in the figure. The lack of slipping
1. 1 answer
2. asked by Nho Neim
3. 4,379 views
suppose a ball thrown downward with initial velocity 3 m/s instead of being droppeda)what then would be its position after 1s
1. 1 answer
2. asked by nour
3. 3,729 views
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass
1. 1 answer
2. asked by mje
3. 3,704 views
Suppose you know that f(x) is an odd functon on the domain of all real numbers and that the function is concave up on the
1. 2 answers
2. asked by Mishaka
3. 2,850 views
You are an astronaut in the space shuttle pursuing a satellite in need of repair. You are in a circular orbit of the same radius
1. 3 answers
2. asked by mje
3. 2,537 views
evaluate the integral ofdx/square root of 9-8x-x^2
1. 3 answers
2. asked by Tracy
3. 2,221 views
Tausonite, a mineral composed of Sr, O, and Ti, has the cubic unit cell and the chemical formula is SrTiO3.....Ti is coordinated
1. 2 answers
2. asked by kali mata
3. 2,076 views
a person throws a ball upward into the air with an initial velocity of 15 m/s calculatea)how high it goes? b)how long the ball
1. 1 answer
2. asked by nour
3. 1,750 views
Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ω0,
1. 1 answer
2. asked by Kayla
3. 1,737 views
Jim left his previous job as a sales manager and started his own sales consulting business. He previously earned $70,000 per
1. 2 answers
2. asked by Ace
3. 1,664 views
B is the midpoint of and D is the midpoint of . Solve for x, given BD = 3x + 5 and AE = 4x + 20.
1. 2 answers
2. asked by Anonymous
3. 1,635 views
Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical?The probability your
1. 1 answer
2. asked by Morris
3. 1,483 views
What word best fits this sentence? Que necesitas para la clase de ciencias naturales?________ un diccionario! (Necesitamos)
1. 3 answers
2. asked by Shawn
3. 1,471 views
Suppose that a random sample of adults has a mean score of on a standardized personality test, with a standard deviation of . (A
1. 1 answer
2. asked by Anonymous
3. 1,398 views
the regular price of a Zebra-FX skateboard is $180, but is on sale at a 25% discountA. How much is the discount? B. What is the
1. 1 answer
2. asked by sarah
3. 1,390 views
Blocks A, B, and C are placed as in the figure and connected by ropes of negligible mass. Both A and B weigh 27.5 each, and the
1. 0 answers
2. asked by Abdulla
3. 1,320 views
Explain the basic method(steps) for graphing a linear equation. Can you give an example of a linear equation and show me how to
1. 1 answer
2. asked by Sherrie
3. 1,316 views
A researcher is interested in whether students who attend private high schools have higher average SAT scores than students in
1. 1 answer
2. asked by Tony
3. 1,303 views
I have got an economics questions, and i did my personal revision by tying to work the question.here is the question: using
1. 4 answers
2. asked by Pallavi
3. 1,285 views
A thin uniform rod is rotating at an angular velocity of 7.70 rad/s about an axis that is perpendicular to the rod at its
1. 0 answers
2. asked by meagan
3. 1,253 views
Balance the following redox reaction occurring in acidic solution.H+ + Cr --> H2 + Cr3+ H+ --> H2 do I add H+ to this side since
1. 1 answer
2. asked by Monique
3. 1,248 views
Consider the following: The television network you addressed in Week 4 is asking you to compare the moods of groups that watch
1. 1 answer
2. asked by STELLA
3. 1,210 views
Show me how to calculate the mass of 20.0 moles of He?
1. 1 answer
2. asked by lupita
3. 1,162 views
I need help with the second question:A student is taking a multiple choice exam. There are five possible answers for each
1. 2 answers
2. asked by Tanya
3. 1,162 views
A firm is currently producing in the elastic portion of its demand curve. What course of action do you recommend for it assuming
1. 1 answer
2. asked by Ami
3. 1,115 views
In regard to the kidney, Why is everything dumped into the tubule? Why not dump only wastes and toxins like insects?
1. 0 answers
2. asked by Teddy
3. 1,111 views
Can someone please tell me whether or not these answers are correct. Thanks!1. Regarding the memory processes, incoming
1. 2 answers
2. asked by Marilyn
3. 1,093 views
how do you do this problem? perform indicated operation write answer as a fraction, simplify. 1/11+ 5/6
1. 1 answer
2. asked by melinda
3. 1,056 views
Two farmers use combines to harvest corn from their fields. One farmer has 600 acres of corn, and the other has 1000 acres of
1. 1 answer
2. asked by Jane
3. 1,052 views
Write the correct electronic configuration of Pd,Ag,Pt&Au. I think for (Pd)=1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^0 4d^10
1. 1 answer
2. asked by Meron
3. 1,051 views
a car accelerates along a straight road from the rest to 90 km/h in 5 s what is the magnitude of its average acceleration
1. 2 answers
2. asked by nour
3. 1,004 views
the centers of two 5000 kg blocks are separated by 1.13 m.What is the gravitational force between the two blocks? What must be
1. 2 answers
2. asked by mack
3. 983 views
a real gas would behave most like an ideal gas under conditions of
1. 2 answers
2. asked by tom
3. 981 views
Romeo and Juliet;Act 1 Scene 5 Chorus Now old desire doth in his death-bed lie, and young affection gapes to be his heir; That
1. 2 answers
2. asked by Cathy
3. 963 views
there are 7 red balloons and 4 fewer blue ballons. use cube trains to model the set of ballons.
1. 4 answers
2. asked by nancy
3. 956 views
-9-(-1) please help me solve with explanation
1. 1 answer
2. asked by Rocky
3. 941 views
Write a balanced net ionic equation for the following reactions in acid solnHydrogen Peroxide reacts w/an aqueos soln of sodium
1. 9 answers
2. asked by anonymous
3. 929 views
Suppose that an accounting firm does a study to determine the time needed to complete one person's tax forms. It randomly
1. 2 answers
2. asked by mayra
3. 925 views
Find the angles between the following pairs of vectors(1)3i+2j-6k,4i-3j+k (2)2i-3j+k,3i-j-2k
1. 0 answers
2. asked by Aman
3. 914 views
If you were a reform-minded person who, above all, loathed the social problems associated with alcohol, you would have been
1. 1 answer
2. asked by Anonymous
3. 899 views
why is NO equal to nitrogen oxideisn't the charge of N ion +3?
1. 4 answers
2. asked by anonymous
3. 889 views
A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in
1. 2 answers
2. asked by Tony
3. 875 views
1st Gradeparticipation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of
1. 8 answers
2. asked by Laruen
3. 861 views
A student is taking a multiple choice exam. There are five possible answers for each question.What is the probability the
1. 2 answers
2. asked by Tanya
3. 861 views
are the following statements, Ho:=10 and Ha:equal to or less than, a valid pair of null and alternative hypothesis?assume that
1. 1 answer
2. asked by Cynthia
3. 838 views
An organ pipe that is closed at one end has a fundamental frequency of 146 Hz. There is a leak in the church roof, and some
1. 1 answer
2. asked by Please Help!!
3. 833 views
Five different written driving tests are administered by the Motor Vehicle Department. One of these five tests is selected at
1. 1 answer
2. asked by Lorena
3. 817 views
Why are most fossils found in beds that were once the floors of shallow seas?
1. 0 answers
2. asked by Shirley
3. 815 views
Suppose we want to design a new placebo-controlled trial to evaluate an experimental medication to increase lung capacity. The
1. 0 answers
2. asked by Natasha
3. 815 views
What is the minimum diameter of a round stock necessary to make a square key 5 inches to each side?
1. 1 answer
2. asked by j2j
3. 808 views
study the Crack is Wack mural.( u can google it)Then, write a 500-word paper using the following guidelines. In the first part
1. 3 answers
2. asked by anonymous
3. 786 views
In the election of 1860, the _______ won the electoral votes of all the free states, except a fraction of the New Jersey votes.A
1. 9 answers
2. asked by Anonymous
3. 779 views
I said D for the following question but I got it wrong, I know it's not B though because the disease isn't sex-linked and not C
1. 1 answer
2. asked by Jon
3. 764 views
Fe2+ + MnO-4 --> Fe3+ + Mn2+Fe2+ = +2 Mn = +7 O-4 = 4(-2) = -8 Fe3+ = 3+ Mn2+ = 2+ ok so next I gave 8H to MnO-4 and 4 H20 to
1. 1 answer
2. asked by Monique
3. 725 views
A student is taking a multiple choice exam. There are five possible answers for each question.What is the probability the
1. 1 answer
2. asked by Tanya
3. 690 views
Please show me how to solve:Hannah took a survey of 500 students at her school to find out whether they liked baseball or
1. 4 answers
2. asked by Jane
3. 687 views
I need help with this!A recent controversy in the media surrounded the complaints of serious physical symptoms in veterans
1. 1 answer
2. asked by Marilyn
3. 680 views
Suppose you devised a training program to raise student scores on a standardized test, such as ACT, or AIMS (like in Arizona).
1. 1 answer
2. asked by Hamilton
3. 676 views
calculate the half-life of a first- order reaction if the concentration of the reactant is 0.0396 M at 12 seconds after the
1. 1 answer
2. asked by saud
3. 664 views
What were the causes of the French and Indian war?
1. 3 answers
2. asked by Lauryn
3. 657 views
How long would it take for the concentration of the reactant to drop to one-forurth its initial value?initial concentration of
1. 1 answer
2. asked by saud
3. 654 views
10.)Among the legislative acts passed during Franklin Roosevelt's first 100 days, which one gave relief to artists, actors, and
1. 1 answer
2. asked by Anonymous
3. 652 views
A 3.7 m diameter merry-go-round is rotating freely with an angular velocity of 0.63 rad/s. Its total moment of inertia is 1600
1. 1 answer
2. asked by David colon
3. 626 views
In mediation What is a conflict of interest generally under the Texas ADR statute and/or the Ethical guidelines?
1. 0 answers
2. asked by R.T.
3. 616 views
What is my grades for the first quarter? I didn't get my report card because my parents didn't go to the parents teacher
1. 5 answers
2. asked by Laruen
3. 616 views
Describe how you might design a community health campaign. In your description, consider both risky behaviors and health
1. 4 answers
2. asked by Marilyn
3. 615 views
Where do subduction zones occur? What happens at them? What becomes of a subducted plate edge?
1. 0 answers
2. asked by Shirley
3. 610 views
calculate the half-life of a first- order reaction if the concentration of the reactant is 0.0396 M at 12 seconds after the
1. 1 answer
2. asked by saud
3. 610 views
can someone please explain to me in english how to form the passe simple, conditionnel anterieur and the futur anterieur?
1. 3 answers
2. asked by Rebecca
3. 604 views
Evaluate the integral sin4x cos^2 4x dxA. cos^3 4x/3 +C B. - cos^3 4x/3 +C C. cos^3 4x/12 +C D. -cos^3 4x/12 +C
1. 2 answers
2. asked by Tracy
3. 603 views
This is application question.Bacterial Control. If t days after treatment the bacteria count per cubic centimeter in a body of
1. 3 answers
2. asked by Stacy
3. 600 views
Give some background information on your hypothetical observational study - describe the setting that you would use for your
1. 1 answer
2. asked by STELLA
3. 599 views
Can someone please help me with this psychology question asap?Describe how you might design a community health campaign. In your
1. 1 answer
2. asked by Marilyn
3. 590 views
Which of the following was the primary cause of the Balkan Wars conducted during the Clinton administration?A. The rise to power
1. 6 answers
2. asked by Anonymous
3. 588 views
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below.35 said they
1. 1 answer
2. asked by matt
3. 587 views
suppose you want to design an air bag system that can protect the driver at a speed of 100 km/h if the car hits a brik wall
1. 0 answers
2. asked by nour
3. 586 views
Since ethanol is cheaper than gasoline , today's gasoline's contain varying amonts of ethanol to keep prices lower. given that
1. 2 answers
2. asked by Devin Boutte
3. 581 views
the company is concerned that a simple random sample of 2000 owners would include fewer than 12 owners of model d or fewer than
1. 0 answers
2. asked by Anonymous
3. 580 views
1. Jodie biycles 5km/h faster than Predup. In the same time it takes Predup to bicycle 60km, Jodie can bicycle 75km. How fast
1. 1 answer
2. asked by lisa
3. 576 views
A ball weighing 1.78 N is shot through a launcher, achieving a speed ( from rest) of 41 m/s in 0.28 s.A) What is the mass of the
1. 2 answers
2. asked by mack
3. 573 views
Calculate the pH of an aqueous solution containing 1.6 x 10-2 M HCl, 2.0 x 10-2 M H2SO4, and 1.8 x 10-2 M HCN.
1. 1 answer
2. asked by alyssa
3. 571 views
Is 8th grade is hard?
1. 7 answers
2. asked by Laruen
3. 570 views
4. The physics class is having a tug of war – the men against the women. For a long time the two teams are pulling with equal
1. 0 answers
2. asked by aishah
3. 568 views
Lets say you need to put a quote with several sentences into an essay, how (in format) you would you quote this?
1. 1 answer
2. asked by Andy
3. 560 views
What strategy did Buddhist and Christian missionaries employ to spread their faith that Muslims didn't?A. Forceful conversion of
1. 1 answer
2. asked by firedup
3. 558 views
1. Find the LCM of (8+7), (64-49v^2), and (8-7v)2. Find the LCM of 14x^7 and 98x^5 3. Find all numbers for which the rational
1. 1 answer
2. asked by lisa
3. 553 views
A series of legislative acts passed under the Grant administration in 1870 and 1871 authorized federal protection for black
1. 5 answers
2. asked by Anonymous
3. 550 views
Please show me how to work this problem:Fran makes a rectangular tablecloth that has an area of 5 ft squared. Her mother makes a
1. 1 answer
2. asked by Jane
3. 549 views
After Hitler came to power in 1933, he blamed Germany's defeat in World War I onA. Communists and Socialists. B. Jews and
1. 2 answers
2. asked by Anonymous
3. 549 views
#4. Rain is falling at a velocity of 10,0 m/s at an angle of 30* towards the west. At what velocity and direction does a
1. 1 answer
2. asked by Jim
3. 546 views
In 1866, the Sioux Chief Red Cloud ambushed and massacred Union soldiers in an incident that would be referred to as the _______
1. 4 answers
2. asked by Anonymous
3. 543 views
What strategy did Buddhist and Christian missionaries employ to spread their faith that Muslims didn't?A. Forceful conversion of
1. 2 answers
2. asked by firedup
3. 532 views
the ratio of cube to sphere in a geometry box is 16 to 9. If there are 225 cubes and spheres in the geometry box altogether.
1. 1 answer
2. asked by dashawn
3. 531 views
Is there any website that is for free and not making a account something like Jiskha to ask questions besides homework.
1. 3 answers
2. asked by Laruen
3. 523 views
Whta is a verctorican (srry i can't spell that) award when the 8th graders get one?????
1. 6 answers
2. asked by Laruen
3. 523 views
A guy playing basket-ball needs to make the penalty shot for his team to win. Given that the ball is thrown from a height of 2
1. 4 answers
2. asked by Brian
3. 519 views
Which of the following is true of President G. W. Bush?A. He accepted the United States' role in the International Criminal
1. 5 answers
2. asked by Anonymous
3. 518 views
Taking into account the "Second Law of thermodynaics", what is the maximum percentage of heat at 700 C that can be converted
1. 0 answers
2. asked by Devin Boutte
3. 511 views

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