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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
2 answers
asked by
Angel
3,666 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 answer
asked by
Chris
3,588 views
Classify the variable as nominal, ordinal, discrete, or continuous, and explain:
Customer’s driver’s license number
2 answers
asked by
chris
3,055 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
3 answers
asked by
glenna
2,823 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 answer
asked by
ANN
2,573 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).
2 answers
asked by
Jessica
2,499 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 answer
asked by
Jane
2,424 views
A steel ball whose mass is 2.0 kg is rolling at a rate of 2.8 m/s. What is its momentum?
2 answers
asked by
Micah
1,960 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?
2 answers
asked by
Carlos
1,814 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?
3 answers
asked by
Micah
1,809 views
A object that has a mass of .25kg is moving with a momentum of 5 kg„ªm/s. What is its velocity?
1 answer
asked by
Micah
1,751 views
the distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inche and
1 answer
asked by
Tee
1,655 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
4 answers
asked by
Don
1,613 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
2 answers
asked by
Katie
1,513 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?
2 answers
asked by
Micah
1,512 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 answer
asked by
Chris
1,462 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 answer
asked by
Sarah
1,437 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 answer
asked by
Rick
1,312 views
Which pair of samples contains the same number of hydrogen atoms
two moles of NH3 and three moles of N2H4 two moles of NH3 and
3 answers
asked by
Brandon
1,294 views
could you see if i did these sentences right?
Sentence Correction and Changes in Writing Review the following sentences. Some of
5 answers
asked by
glenna
1,233 views
Calculate ph value of soft drink having hydrogen ion concentration equal to 3x10^-5.
1 answer
asked by
gagan
1,219 views
1. Which is a solution to the equation below? sin2xsecx=1
2. What is the exact value of cos15 degrees? 3. Which expression is
3 answers
asked by
kalakalikalakali
1,214 views
How many grams of KOH must be dissolved in one litre of solution to give it a pH value of 12?
2 answers
asked by
Sahil
1,172 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 answer
asked by
Chris
1,154 views
answer question Jane Kent is a licensed CPA. During the first nonth of operations of her business, the following events and
1 answer
asked by
Muna
1,141 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 answer
asked by
wendell
1,138 views
A 115 foot foot casts a 147 foot shadow, what is the degree of elevation to the sun
1 answer
asked by
mike
1,112 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 answer
asked by
Tim
1,055 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 answer
asked by
Jocelyn
1,051 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
2 answers
asked by
Jordan
1,044 views
1. The _____ Act mandated that at least some federal employees be chosen on the basis of merit instead of political connections.
8 answers
asked by
taylor
1,041 views
Can you please tell me which expressions are possible? Thank you.
1) Women had to provide an education to children Better: they
1 answer
asked by
Henry2
996 views
Which one of the following situations would have a graph that is a constant function? (5 points) (Points : 5)
The amount of money
0 answers
asked by
kalakalikalakali
994 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 answer
asked by
Vanessa
975 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 answer
asked by
Jeff
965 views
How much would be appropriate for wealthy countries to contribute to global health? Why should we do more than we do now?
1 answer
asked by
tamika
945 views
Ph of a sol. Containing 3.2 gm of hcl dissolved in 1 litre of water.
1 answer
asked by
Sahil
935 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 answer
asked by
lynn
920 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
0 answers
asked by
Jane
918 views
What hanging mass will stretch a 1.9-m-long, 0.54mm - diameter steel wire by 1.2mm ?
0 answers
asked by
Me
902 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 answer
asked by
Abby
873 views
Why do you think controlling greenhouse gases is such a difficult problem? List some of the technological, economic, political,
1 answer
asked by
tamika
864 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 answer
asked by
Terence
822 views
scientific processes
5 answers
asked by
Tosha
819 views
SIN 0=? O = 8 H = 16
0 answers
asked by
CURE
819 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
2 answers
asked by
traci
801 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 answer
asked by
Sarah
798 views
Determine the density of methane (CH4) in g/L at 21.9oC and 0.9 atm
1 answer
asked by
tony
798 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 answer
asked by
3nd3r
796 views
before ice can form on a lake, all the water must be cooled to?
1 answer
asked by
tonya
739 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 answer
asked by
pat
726 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 answer
asked by
Nicole
712 views
solve system graphically. be sure to check your solution. if a system has infinite number of solutions, use set builder notation
1 answer
asked by
Anonymous
705 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
2 answers
asked by
Chris
701 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 answer
asked by
Dawn
685 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
0 answers
asked by
ANN
681 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 answer
asked by
Chris
680 views
Calculate the ratio (pure number) of the kinetic energy to the potential energy of a
simple harmonic oscillator when its
1 answer
asked by
olivia ware
679 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
2 answers
asked by
Lauren
669 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 answer
asked by
Micah
667 views
Consider a debate over whether prayer should be allowed in public schools. Explain what logic can and cannot do. In other words,
2 answers
asked by
Anonymous
647 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 answer
asked by
Jordan
645 views
Calculate ph value of soft drink having hydrogen ion concentration equal to 3x10^-5.
1 answer
asked by
gagan
643 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 answer
asked by
Max
641 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 answer
asked by
pk
638 views
which kingdom controlled caravan trade routes in A.D.900?
1 answer
asked by
samantha
635 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
0 answers
asked by
Micah
633 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 answer
asked by
nichole
616 views
A system consists of 3.2 mol of the monatomic gas neon (which may be treated as
an ideal gas). Initially the system has a
0 answers
asked by
olivia ware
611 views
perform the indicated operation
6√45 - 8√125
2 answers
asked by
nichole
609 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
2 answers
asked by
Mike
604 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 answer
asked by
Steff
604 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 answer
asked by
Kayla
602 views
• Write a 200- to 300-word response to the following: Identify and explain the scientific process (unsystematic observation,
1 answer
asked by
Stacy
601 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 answer
asked by
tamika
601 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
2 answers
asked by
Henry2
600 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
0 answers
asked by
omar
580 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 answer
asked by
cindy
569 views
Should there be any limitations on linking. If not, why not? If so, which limitations should be in place and why?
0 answers
asked by
liz
562 views
What was the nature and extent of the Umayyad Empire?
1 answer
asked by
Anonymous
546 views
what are the roles of the special forces in the movie Black Hawk Down??
please give examples!!!
1 answer
asked by
Una
545 views
Dr. Kyle shared the newspaper clipping with his class. "This is an unusual case, but I believe the punishment phase of the trial
9 answers
asked by
Shawn
532 views
In "Some Moral Minima," Lenn Goodman argues that there are certain things that are simply wrong. Do you think Goodman is right?
1 answer
asked by
kim
525 views
CSC - COS X COT = SIN
1 answer
asked by
AGNES
517 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 answer
asked by
Jocelyn
514 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 answer
asked by
Jordan
513 views
Find the strength of 2.45 gm of (H2SO4) in 250 ml of the sol.
1 answer
asked by
Sahil
508 views
How do c3, c4, and CAM plants survive under dry conditions?
0 answers
asked by
akim
507 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 answer
asked by
Henry2
507 views
C5H602+O2 ---> CO2+H2O
what is the coefficient of O2?
1 answer
asked by
Lily
503 views
Use the Midpoint Rule to approximate the integral (–10x+7x^2) from 10 to 17 with n=3
1 answer
asked by
Mitch
495 views
Calculate [H+], [OH-] & ph of strong acids strong base.
1 answer
asked by
Sahil
482 views
convert the following base 10 number to the number in the indicated base.
43 to base 4
1 answer
asked by
Anonymous
480 views
Describe the leadership principles and skills needed to develop a health promotion project.
1 answer
asked by
Stephanie
480 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 answer
asked by
suprita
479 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
0 answers
asked by
m
477 views
Find the 30th term of the arithmetic sequence: an = 7 + (n – 1)(2)
1 answer
asked by
rowlo
477 views
How could a teacher introduce additional science activities or materials related to children own spontaneous play.
1 answer
asked by
Tisha
467 views
is energy considered a chemical reaction that is important to a healthcare professional
1 answer
asked by
kathyann
464 views
The beauty and splendor of Gatsby's parties masked the innate corruption within the heart of the Roaring Twenties. Jazz-Age
1 answer
asked by
micheal
459 views
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