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2011
June

Questions Asked on June 29, 2011

A satellite explodes in outer space, far from any other body, sending thousands of pieces in all directions. How does the linear
1. 2 answers
2. asked by Angel
3. 3,644 views
What is the mole fraction of H2 in a mixture with the total pressure of 800 torr when the partial pressure of H2 is 90 torr?
1. 1 answer
2. asked by Chris
3. 3,574 views
Classify the variable as nominal, ordinal, discrete, or continuous, and explain:Customer’s driver’s license number
1. 2 answers
2. asked by chris
3. 3,036 views
Could you let me know if these are correct?Write 5 sentences in which you address changes in your writing: 1) Working with a
1. 3 answers
2. asked by glenna
3. 2,796 views
A 4.5-kg ham is thrown into a stationary 15-kg shopping cart. At what speed will the cart travel if the ham had an initial speed
1. 1 answer
2. asked by ANN
3. 2,548 views
The reaction for the metabolism of sucrose, C12H22O11, is the same as for its combustion in oxygen to yield CO2(g) and H2O(l).
1. 2 answers
2. asked by Jessica
3. 2,475 views
6. A tall bald student (height 2.1 meters and mass 93.1 kg) decides to try bungee jumping from a bridge. The bridge is 36.7
1. 1 answer
2. asked by Jane
3. 2,388 views
A steel ball whose mass is 2.0 kg is rolling at a rate of 2.8 m/s. What is its momentum?
1. 2 answers
2. asked by Micah
3. 1,938 views
Carlos does a chin-up in gym class and raises himself 0.8 m. If Carlos has a mass of 62 kg, how much work does he accomplish?
1. 2 answers
2. asked by Carlos
3. 1,800 views
A marble is rolling at a velocity of 1.5 m/s with a momentum of 0.10 kg m/s. What is its mass?
1. 3 answers
2. asked by Micah
3. 1,793 views
A object that has a mass of .25kg is moving with a momentum of 5 kg„ªm/s. What is its velocity?
1. 1 answer
2. asked by Micah
3. 1,727 views
the distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inche and
1. 1 answer
2. asked by Tee
3. 1,624 views
2. Then it should prompt the user for the input file name of the file containing the data to sort.3. If the program can't open
1. 4 answers
2. asked by Don
3. 1,583 views
Which has greater momentum, a 2.0kg hockey puck moving east at 2.5m/s or a 1.3kg hockey puck moving south at 3.0m/s?
1. 2 answers
2. asked by Micah
3. 1,494 views
The number of computers sold by BCC depends on the dollar amound,x, that they spend on advertising. How much must they spend to
1. 2 answers
2. asked by Katie
3. 1,491 views
In an experiment, 7.5 mol of a gas are held in a 3.5 L container at 39 c. What pressure does the gas exert if it is assumed to
1. 1 answer
2. asked by Chris
3. 1,452 views
A 0.55 kg object connected to a light spring with a force constant of 20.0 N/m oscillates on a frictionless horizontal surface.
1. 1 answer
2. asked by Sarah
3. 1,414 views
an object of mass 3 kg is moving in the positive x-direction with a speed of 10 m/s. A second object of mass 5 kg is moving in
1. 1 answer
2. asked by Rick
3. 1,301 views
Which pair of samples contains the same number of hydrogen atomstwo moles of NH3 and three moles of N2H4 two moles of NH3 and
1. 3 answers
2. asked by Brandon
3. 1,276 views
Calculate ph value of soft drink having hydrogen ion concentration equal to 3x10^-5.
1. 1 answer
2. asked by gagan
3. 1,206 views
could you see if i did these sentences right?Sentence Correction and Changes in Writing Review the following sentences. Some of
1. 5 answers
2. asked by glenna
3. 1,201 views
1. Which is a solution to the equation below? sin2xsecx=12. What is the exact value of cos15 degrees? 3. Which expression is
1. 3 answers
2. asked by kalakalikalakali
3. 1,194 views
How many grams of KOH must be dissolved in one litre of solution to give it a pH value of 12?
1. 2 answers
2. asked by Sahil
3. 1,156 views
In an experiment, 25.0 ml of a gas with a pressure of 1. atm is contained in a balloon at 25.0 c. The Balloon is then cooled to
1. 1 answer
2. asked by Chris
3. 1,142 views
answer question Jane Kent is a licensed CPA. During the first nonth of operations of her business, the following events and
1. 1 answer
2. asked by Muna
3. 1,125 views
A game show contestant won a prize by pushing a bowling ball 20 m using her nose. The amount of work done was 1470 J. How much
1. 1 answer
2. asked by wendell
3. 1,115 views
A 115 foot foot casts a 147 foot shadow, what is the degree of elevation to the sun
1. 1 answer
2. asked by mike
3. 1,096 views
A 5 kg ball is initially at rest at the top of a hill 10m high. If it rolls down the hill (converting all of its potential
1. 2 answers
2. asked by Jordan
3. 1,028 views
At 36.4°C a sample of ammonia gas exerts a pressure of 6.8 atm. What is the pressure when the volume of the gas is reduced to
1. 1 answer
2. asked by Tim
3. 1,028 views
What is the angular momentum of the second hand on a clock if the clock has a length of 25cm, a mass of 20g, and is rotating
1. 1 answer
2. asked by Jocelyn
3. 1,019 views
1. The _____ Act mandated that at least some federal employees be chosen on the basis of merit instead of political connections.
1. 8 answers
2. asked by taylor
3. 1,013 views
Can you please tell me which expressions are possible? Thank you.1) Women had to provide an education to children Better: they
1. 1 answer
2. asked by Henry2
3. 977 views
Which one of the following situations would have a graph that is a constant function? (5 points) (Points : 5)The amount of money
1. 0 answers
2. asked by kalakalikalakali
3. 976 views
Each of my friends are known for extraordinary talents.Each of my friends is known for extraordinary talents. I believe it's the
1. 1 answer
2. asked by Vanessa
3. 966 views
A cone is filled w/ freshwater (w=62.4 lb/ft^3). Determine the total force on the inside of the cone. Height of 10 and base of
1. 1 answer
2. asked by Jeff
3. 947 views
How much would be appropriate for wealthy countries to contribute to global health? Why should we do more than we do now?
1. 1 answer
2. asked by tamika
3. 924 views
Ph of a sol. Containing 3.2 gm of hcl dissolved in 1 litre of water.
1. 1 answer
2. asked by Sahil
3. 918 views
1. A spring gun is made by compressing a spring ina tube and then altching the spring at the compressed position. A 4.97-g
1. 0 answers
2. asked by Jane
3. 892 views
What hanging mass will stretch a 1.9-m-long, 0.54mm - diameter steel wire by 1.2mm ?
1. 0 answers
2. asked by Me
3. 876 views
Lithium hydride reacts with water as follows.LiH(s) + H2O(l) -->LiOH(aq) + H2(g) During World War II, U.S. pilots carried LiH
1. 1 answer
2. asked by lynn
3. 873 views
Write a balanced net ionic equation for the oxidation of metallic copper to Cu(II) ion by hot concentrated H2SO4, in which the
1. 1 answer
2. asked by Abby
3. 862 views
Why do you think controlling greenhouse gases is such a difficult problem? List some of the technological, economic, political,
1. 1 answer
2. asked by tamika
3. 840 views
SIN 0=? O = 8 H = 16
1. 0 answers
2. asked by CURE
3. 806 views
Calculate how many milliliters of 0.100 M HCl must be added to 25.0 ml of a 0.200 M solution of NH3 to prepare a buffer that has
1. 1 answer
2. asked by Terence
3. 804 views
scientific processes
1. 5 answers
2. asked by Tosha
3. 799 views
Determine the density of methane (CH4) in g/L at 21.9oC and 0.9 atm
1. 1 answer
2. asked by tony
3. 775 views
Andrew factored the expression 20x^3-12x^2+8x as 4x (5x^2-12x^2+8x). But when Melissa applied the distributive law and
1. 2 answers
2. asked by traci
3. 772 views
Define the term equation and then explain what it means to solve an equation.Hi every time I try to explain it I get my words
1. 1 answer
2. asked by Sarah
3. 766 views
The question was:"Given that sin theta is -1/2 and theta is in quadrant IV, find the cos and tan of theta." I found 1/2 for
1. 1 answer
2. asked by 3nd3r
3. 765 views
before ice can form on a lake, all the water must be cooled to?
1. 1 answer
2. asked by tonya
3. 721 views
A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child to push the cart down an aisle with a
1. 1 answer
2. asked by pat
3. 698 views
What is the volume of a gas that exerts a pressure of 457 mm Hg, if it excerted a pressure of 250 atm when its volume was 25.0
1. 2 answers
2. asked by Chris
3. 689 views
solve system graphically. be sure to check your solution. if a system has infinite number of solutions, use set builder notation
1. 1 answer
2. asked by Anonymous
3. 682 views
How do I solve the following problems??1. Factor: 4x^2-100y^2 2. Factor: 3x^2+27 3. Solve 3x^2+9x=0 4. Solve 12^2+30x=-12 5.
1. 1 answer
2. asked by Nicole
3. 678 views
A Baloon is filled with 3.00 L of helium at a pressure of 765 Torr. What is the volume of the baloon at an altitude where the
1. 1 answer
2. asked by Chris
3. 664 views
How is a case study written? I have to write a 3-4 page case study on the following:With annual revenue of $430 billion, 2
1. 1 answer
2. asked by Dawn
3. 654 views
A 6-kg bowling ball rolling at 5 m/s strikes a stationary 4-kg bowling ball. If Ball #1 is moving forward at 2 m/s after the
1. 0 answers
2. asked by ANN
3. 653 views
Calculate the ratio (pure number) of the kinetic energy to the potential energy of asimple harmonic oscillator when its
1. 1 answer
2. asked by olivia ware
3. 652 views
How do you calculate the number of moles of NaOH to add to a liter of 1M NH4CL (pka of NH4+ = 9.25 ) to produce a solution
1. 2 answers
2. asked by Lauren
3. 647 views
When you are driving a golf ball, a good follow-through helps to increase the distance of the drive. A good follow-through means
1. 1 answer
2. asked by Micah
3. 634 views
Calculate ph value of soft drink having hydrogen ion concentration equal to 3x10^-5.
1. 1 answer
2. asked by gagan
3. 631 views
Which of the following contains the most mechanical energy?A 10 kg ball at the top of a hill 10 meters high A 5 kg ball rolling
1. 1 answer
2. asked by Jordan
3. 630 views
which kingdom controlled caravan trade routes in A.D.900?
1. 1 answer
2. asked by samantha
3. 623 views
Consider a debate over whether prayer should be allowed in public schools. Explain what logic can and cannot do. In other words,
1. 2 answers
2. asked by Anonymous
3. 621 views
Could anybody check my English essays?I'm looking for native English teacher who is willing to help me with improving my written
1. 1 answer
2. asked by Max
3. 619 views
Describe the plant life, animal life, and geology of the ecosystem in the area in which you live. I live in Northern Illinois.Wh
1. 1 answer
2. asked by pk
3. 617 views
When you are driving a golf ball, a good follow-through helps to increase the distance of the drive. A good follow-through means
1. 0 answers
2. asked by Micah
3. 609 views
A system consists of 3.2 mol of the monatomic gas neon (which may be treated asan ideal gas). Initially the system has a
1. 0 answers
2. asked by olivia ware
3. 589 views
Find the probability of the following if there are 30 students in the class who have been numbered and you use a calculator to
1. 2 answers
2. asked by Mike
3. 588 views
Am I right so far?G(x)=e^x sqrt(1+x^2) =e^x(1+x^2)^1/2 =e^x(1/2)(1+x^2)^-1/2(2x) + e^x(1+x^2)^1/2 So I used product rule, chain
1. 1 answer
2. asked by Steff
3. 587 views
Lauren and mark obtained a 20 year 120,000 conventional mortgage at 10.5% on a house selling 150,000. their monthly mortgage
1. 1 answer
2. asked by nichole
3. 587 views
perform the indicated operation6√45 - 8√125
1. 2 answers
2. asked by nichole
3. 585 views
A parachute reaches terminal velocity.F drag Fg=850N what is the value of F drag? What is the net force? What is the
1. 1 answer
2. asked by Kayla
3. 581 views
• Write a 200- to 300-word response to the following: Identify and explain the scientific process (unsystematic observation,
1. 1 answer
2. asked by Stacy
3. 577 views
In the United States we are fortunate to have an abundant supply of food, and much of this is due to our agricultural
1. 1 answer
2. asked by tamika
3. 576 views
Can you check these few sentences, please?1) Wait! I'll help you with your shopping. I'll take the shopping for you. 2) Do you
1. 2 answers
2. asked by Henry2
3. 568 views
abcd is a rectangle such that ab=-3 radical sign 48+2 radical sign 75+4radical sign108 and Bc=4 radical sign 27 +radical sign
1. 0 answers
2. asked by omar
3. 554 views
what pressure (atm) is exerted by a column of ethanol 86.0 cm high? the density of ethanol is 0.789 g/cm3 and 9.8 m/s2 as your
1. 1 answer
2. asked by cindy
3. 551 views
Should there be any limitations on linking. If not, why not? If so, which limitations should be in place and why?
1. 0 answers
2. asked by liz
3. 540 views
what are the roles of the special forces in the movie Black Hawk Down??please give examples!!!
1. 1 answer
2. asked by Una
3. 529 views
What was the nature and extent of the Umayyad Empire?
1. 1 answer
2. asked by Anonymous
3. 524 views
Dr. Kyle shared the newspaper clipping with his class. "This is an unusual case, but I believe the punishment phase of the trial
1. 9 answers
2. asked by Shawn
3. 515 views
CSC - COS X COT = SIN
1. 1 answer
2. asked by AGNES
3. 508 views
In "Some Moral Minima," Lenn Goodman argues that there are certain things that are simply wrong. Do you think Goodman is right?
1. 1 answer
2. asked by kim
3. 497 views
A block is executing simple harmonic motion on a frictionless surface with an amplitude of .100m. At a point 0.060m away from
1. 1 answer
2. asked by Jocelyn
3. 495 views
How do c3, c4, and CAM plants survive under dry conditions?
1. 0 answers
2. asked by akim
3. 491 views
Find the strength of 2.45 gm of (H2SO4) in 250 ml of the sol.
1. 1 answer
2. asked by Sahil
3. 491 views
Is an airplane flying round trip at a constant speed an example of uniform circular motion or is a record player rotating at a
1. 1 answer
2. asked by Jordan
3. 487 views
Can you please check these sentences? Thank you.1)How does Eveline earn a living? What is she like? She is submissive, tired,
1. 1 answer
2. asked by Henry2
3. 487 views
C5H602+O2 ---> CO2+H2Owhat is the coefficient of O2?
1. 1 answer
2. asked by Lily
3. 487 views
Use the Midpoint Rule to approximate the integral (–10x+7x^2) from 10 to 17 with n=3
1. 1 answer
2. asked by Mitch
3. 481 views
convert the following base 10 number to the number in the indicated base.43 to base 4
1. 1 answer
2. asked by Anonymous
3. 468 views
Calculate [H+], [OH-] & ph of strong acids strong base.
1. 1 answer
2. asked by Sahil
3. 466 views
Describe the leadership principles and skills needed to develop a health promotion project.
1. 1 answer
2. asked by Stephanie
3. 465 views
A 1,200-kg car runs into the rear of an 1,800-kg minivan that was moving at 6 m/s. The two vehicles are locked together after
1. 0 answers
2. asked by m
3. 462 views
Find the 30th term of the arithmetic sequence: an = 7 + (n – 1)(2)
1. 1 answer
2. asked by rowlo
3. 459 views
how can i solve this question- disney has 2 clocks.unfortunately both of them are faulty.1 of them loose 2 mintues every hour
1. 1 answer
2. asked by suprita
3. 456 views
is energy considered a chemical reaction that is important to a healthcare professional
1. 1 answer
2. asked by kathyann
3. 451 views
How could a teacher introduce additional science activities or materials related to children own spontaneous play.
1. 1 answer
2. asked by Tisha
3. 450 views
covert the number to decimal notation.6 6.70 x 10
1. 2 answers
2. asked by nichole
3. 440 views

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