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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. 5,401 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. 4,591 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. 4,443 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. 3,769 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. 3,763 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. 2,911 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. 2,577 views
evaluate the integral ofdx/square root of 9-8x-x^2
1. 3 answers
2. asked by Tracy
3. 2,250 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. 2,120 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. 1,789 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. 1,781 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. 1,721 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. 1,664 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. 1,525 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. 1,504 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. 1,445 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. 1,420 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. 1,356 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. 1,355 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. 1,351 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. 1,327 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. 1,296 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. 1,288 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. 1,246 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. 1,199 views
Show me how to calculate the mass of 20.0 moles of He?
1. 1 answer
2. asked by lupita
3. 1,198 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. 1,155 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. 1,141 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. 1,133 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. 1,103 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. 1,099 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. 1,081 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. 1,042 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. 1,013 views
a real gas would behave most like an ideal gas under conditions of
1. 2 answers
2. asked by tom
3. 1,010 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. 1,000 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. 990 views
-9-(-1) please help me solve with explanation
1. 1 answer
2. asked by Rocky
3. 972 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. 964 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. 958 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. 948 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. 947 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. 935 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. 923 views
why is NO equal to nitrogen oxideisn't the charge of N ion +3?
1. 4 answers
2. asked by anonymous
3. 915 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. 905 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. 904 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. 870 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. 857 views
Why are most fossils found in beds that were once the floors of shallow seas?
1. 0 answers
2. asked by Shirley
3. 849 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. 846 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. 838 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. 835 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. 818 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. 794 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. 769 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. 736 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. 723 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. 715 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. 712 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. 703 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. 695 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. 690 views
What were the causes of the French and Indian war?
1. 3 answers
2. asked by Lauryn
3. 683 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. 658 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. 655 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. 653 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. 651 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. 648 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. 641 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. 640 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. 636 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. 633 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. 633 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. 625 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. 623 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. 623 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. 621 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. 613 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. 612 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. 612 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. 610 views
Is 8th grade is hard?
1. 7 answers
2. asked by Laruen
3. 604 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. 603 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. 602 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. 601 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. 594 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. 591 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. 584 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. 584 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. 581 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. 577 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. 577 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. 571 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. 568 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. 560 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. 557 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. 552 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. 1 answer
2. asked by Aman
3. 544 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. 543 views

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