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Questions Asked on March 17, 2010

Two 72.0-kg hockey players skating at 7.00 m/s collide and stick together. If the angle between their initial directions was 130
1. 1 answer
2. asked by Kyle
3. 9,807 views
This is my essay on fossil fuels. Can This is my essay on fossil fuels. Can someone please check to see if there are any
1. 16 answers
2. asked by mysterychicken
3. 4,706 views
a 500.0 mL gas sample at STP is compressed to a volume of 300.0 ml and the temperature is increased to 35.0 C. What is the new
1. 6 answers
2. asked by catherine
3. 4,581 views
A 24L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if
1. 3 answers
2. asked by catherine
3. 3,431 views
HELP PLEASEFind the minimum distance from the point (4, 2) to the parabola y^2=8x
1. 6 answers
2. asked by John
3. 3,254 views
find the missing length of the right triangle 17 and 15
1. 8 answers
2. asked by Lynn
3. 3,198 views
You are holding a shopping basket at the grocery store with two 0.69-kg cartons of cereal at the left end of the basket. The
1. 1 answer
2. asked by Kyle
3. 3,139 views
When a0.269g sample of a barium compound was treated with excess H2SO4, 0.0891g of BaSO4 formed. What is the percentage of
1. 4 answers
2. asked by London
3. 3,016 views
An electric utility is required to run a cable from a transformer station on the shore of a lake to an island. The island is 6
1. 2 answers
2. asked by John
3. 2,939 views
Identify the precipitate formed when solutions of these compounds are mixed.H2SO4 + BaCl2 ==> So when you do the double
1. 2 answers
2. asked by Jack
3. 2,791 views
The traditional method of analyzing the amount of chloride ion present in a sample was to dissolve the sample in water and then
1. 6 answers
2. asked by James
3. 2,532 views
Bill got 52 correct answers on an 80-question test. Whatpercent of the questions did he answer incorrectly?
1. 1 answer
2. asked by kirk
3. 2,417 views
A common laboratory system to study Boyle's law uses a gas trapped in a syringe. The pressure in the system is changed by adding
1. 1 answer
2. asked by catherine
3. 2,378 views
Two extension ladders are leaning at the same angle against a verticl wall. The 3-m ladder reaches 2.4m up the wall. How much
1. 5 answers
2. asked by Anonymous
3. 2,095 views
Impure sample of table salt that weighed 0.8421g, when dissolved in water and treated with excess AgNO3, formed 2.044g of AgCl.
1. 1 answer
2. asked by London
3. 2,035 views
Sam built a ramp to a loading dock. The ramp has a vertical support 2 m from the base of the loading dock and 3m from the base
1. 2 answers
2. asked by Anonymous
3. 2,023 views
how many atoms of C are in 2 moles of sucrose C12H22O11?please help
1. 1 answer
2. asked by suzie
3. 1,906 views
A 22cm diameter bowling ball has a terminal speed of 77 m/s. What is the balls mass. I need to get the answer in kg. I can`t
1. 2 answers
2. asked by norm
3. 1,792 views
A sample of silver at 20.0 °C is heated to 100 °C when 1000 cal is added. What is the mass of the silver? (csilver = 0.056
1. 1 answer
2. asked by Anonymous
3. 1,779 views
1. why is phosphoric acid needed in the synthesis of aspirin?2.what would happen if the phosphoric acid is left out?
1. 2 answers
2. asked by 10ch
3. 1,710 views
In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = -0.50. Find
1. 1 answer
2. asked by Teresa
3. 1,619 views
A buffer solution of volume 100.0 mL is 0.150 M Na2HPO4(aq) and 0.100 M KH2PO4(aq). Refer to table 1.(a) What are the pH and the
1. 4 answers
2. asked by Trixie
3. 1,569 views
Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant
1. 2 answers
2. asked by dan
3. 1,534 views
A sample of argon gas occupies a volume of 950 mL at 25.0C. What volume will the gas occupy at 50.0C if the pressure remains
1. 1 answer
2. asked by catherine
3. 1,521 views
Find the local and absolute extreme values of the function on the given interval. f(x)=x^3-6x^2+9x+1, [2,4]?
1. 1 answer
2. asked by jeffery
3. 1,492 views
. Rita Smith owns 220 shares of Jefferson Carpet Mills.For the last calendar quarter,Jefferson Carpet Mills paid dividend of
1. 4 answers
2. asked by vedrana
3. 1,416 views
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 450 N. For the first 11 m the
1. 1 answer
2. asked by REESE
3. 1,376 views
Hitler translated his hatred into a program of genocide. How do ethnic, racial, and religious hatreds weaken society?is the
1. 1 answer
2. asked by Alex
3. 1,354 views
A taxi company charges riders a fixed charge of $2.50 plus $1.50 per mile. How many miles must a rider go to have an average
1. 3 answers
2. asked by Anonymous
3. 1,335 views
The amount of gold jewelry and other products is measuredin karats (K), where 24K represents pure gold. The mark 14K on a chain
1. 1 answer
2. asked by kirk
3. 1,327 views
How much heat is necessary to vaporize 100 g of water at 100 °C to form steam at 100 °C?
1. 3 answers
2. asked by Anonymous
3. 1,309 views
Bill got 52 correct answers on an 80-question test. Whatpercent of the questions did he answer incorrectly?
1. 1 answer
2. asked by kirk
3. 1,305 views
1.A hot air balloon is rising upwards at a constant velocity of 5m.s when the balloon is 100m above the ground, a sandbag is
1. 3 answers
2. asked by Tebogo
3. 1,290 views
Nine dimes are what fraction if a dillor.... write the value of nine dimes using a dollor sign and a decimal point
1. 1 answer
2. asked by jojo
3. 1,255 views
While training for a race, a runner increases her distance by 10% each day. If she runs 2km on the first day, what will her
1. 2 answers
2. asked by C
3. 1,238 views
Belinda invested a portion of her savings, indicating that the type of investment she made was a loan to a well-known
1. 2 answers
2. asked by Lena
3. 1,194 views
-5x + 5y=25-10x+5y=10 Graph the linear equation by writing both equations in the slope intercept form... I'm really struggling
1. 1 answer
2. asked by jerson
3. 1,179 views
find the slope of the line that is perpendicular to the line whose equation is 5x-7y=12
1. 1 answer
2. asked by anonymous
3. 1,175 views
single-slit diffraction pattern is formed when light of 680.0 nm is passed through a narrow slit. The pattern is viewed on a
1. 1 answer
2. asked by Andy
3. 1,169 views
The question is what is the molecular equation for acetic acid mixed with ammonia, sulfuric acid mixed with barium hydroxide,
1. 4 answers
2. asked by Bach
3. 1,152 views
1. She is good at dancing.2. She is good at dance. (Which one is correct? Are both correct?) 3. I am a student at Class 1-1. 4.
1. 2 answers
2. asked by rfvv
3. 1,143 views
A missile is fired at an angle of 75 from the horizontal. At one point, its speed was 900 mph. Find its horizontal velocity in
1. 1 answer
2. asked by brenden
3. 1,142 views
Both Stalin in the Soviet Union and Hitler in Germany instituted ruthless campaigns against supposed enemies of the state. Why
1. 1 answer
2. asked by Natalie
3. 1,140 views
How would I begin to compile data into useable data in using Excel?
1. 2 answers
2. asked by Yolanda
3. 1,139 views
An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current?
1. 1 answer
2. asked by Anonymous
3. 1,132 views
A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the
1. 1 answer
2. asked by Veronica
3. 1,118 views
Which of the following statements is correct?a)Stock is a form of debt capital b)Stock must be repaid at maturity c)Bonds are a
1. 2 answers
2. asked by vedrana
3. 1,073 views
How much heat must be removed from 500 g of water at 0 °C to form ice at 0 °C?
1. 1 answer
2. asked by Anonymous
3. 1,065 views
a bullet is fired from a gun that is 2.0 meters above flat ground. the bullet emerges from the gun with a speed of 250 m/s.a)
1. 0 answers
2. asked by S.Strange
3. 1,065 views
Calculate the pH of the solution that results from mixing the following reagents. Refer to table 1.mix 0.189 L of 0.019 M
1. 3 answers
2. asked by Trixie
3. 1,062 views
A man who can row in still water at 3 mph heads directly across a river flowing at 7 mph.At what angle to the line on which he
1. 1 answer
2. asked by ruca
3. 1,059 views
Find the missing angle 45 degree and 106 degree
1. 2 answers
2. asked by Lynn
3. 1,043 views
What i meant was I have already had the method in preparing the insoluble salt Pb(NO3)2 and KI and the soluble salt Sulphuric
1. 0 answers
2. asked by Gillian
3. 1,018 views
In Langston Hughes poem "Theme for English B," in the lines 16-26 it says: It's not easy to know what is true for you or meat
1. 1 answer
2. asked by Troy
3. 1,006 views
Answer the question(s) based on the following situation: 150 students in a math class take the final exam. The scores on the
1. 1 answer
2. asked by Whitney
3. 1,005 views
describe personal values and ethics.
1. 1 answer
2. asked by Anonymous
3. 973 views
The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right
1. 5 answers
2. asked by Kristen
3. 950 views
Short projectile motion questiona peron kicks a football from 39.6 meters from the goal posts. the kcik leaves the ground with a
1. 2 answers
2. asked by jake
3. 942 views
you woek in the hospital's health information management department. part of your job is to assist the medical residents with
1. 2 answers
2. asked by kim
3. 935 views
1.30 mol each of CO} and Cl2 are introduced into an evacuated 1.80 L flask, and the following equilibrium is established at 668
1. 1 answer
2. asked by anonymous
3. 934 views
Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer that uses x weekday minutes per month. I
1. 1 answer
2. asked by Katie
3. 926 views
what is the area of the circumscribed square about a circle having a 12pie perimeter?
1. 1 answer
2. asked by chelsea
3. 906 views
A car is designed to get its energy from a rotating flywheel with a radius of 1.50 m and a mass of 600 kg. Before a trip, the
1. 2 answers
2. asked by Anonymous
3. 882 views
3. What does the word “with-it-ness” mean?A. Providing activities that challenge students. B. Doing two things at the same
1. 6 answers
2. asked by Deya
3. 882 views
write decimal for 47.5%
1. 1 answer
2. asked by paul
3. 877 views
Copper(II) chloride and lead(II) nitrate react in aqueous solutions by double replacement. Write the balanced chemical equation,
1. 1 answer
2. asked by Steven
3. 875 views
23. Since DNA sequences in humans and chimpanzees are very similara. humans must have evolved from chimpanzees b. chimpanzees
1. 1 answer
2. asked by mysterychicken
3. 852 views
A car is designed to get its energy from a rotating flywheel with a radius of 1.50 m and a mass of 600 kg. Before a trip, the
1. 1 answer
2. asked by mike
3. 850 views
A body of unknown mass is attached to an ideal spring with k=120 n/m. it is found to vibrate with a frequency of 4 Hz. find the
1. 1 answer
2. asked by Nicole Lovato
3. 849 views
Brenda has received a $10,000 gift from her mother and is trying to decide how to invest it.She thinks she would like to invest
1. 2 answers
2. asked by vedrana
3. 835 views
during what part of bernice bobs her hair does bernice cut Marjories braids
1. 1 answer
2. asked by stephanie
3. 833 views
What are current moral issues facing today's business environment? I have googled this and I have come up with nothing. So can
1. 1 answer
2. asked by AMW
3. 809 views
"If the ovaries were removed between the start of pregnancy and the second month then.....because.....""If the ovaries were
1. 1 answer
2. asked by Stuck
3. 795 views
1. She is good at dancing.2. She is good at dance. (Which one is correct? Are both correct?) 3. I am a student at Class 1-1. 4.
1. 1 answer
2. asked by rfvv
3. 785 views
How much heat is necessary to vaporize 100 g of water at 100 °C to form steam at 100 °C?
1. 1 answer
2. asked by Anonymous
3. 780 views
a 10kg block is allowed to slide down a ramp with Mk=0.15. what is the acceleration of the block?
1. 3 answers
2. asked by jennifer
3. 778 views
Your airplane leaves 20 degrees north (linear velocity = 845 nm/h), heading to a point due north at 25 degrees north (linear
1. 8 answers
2. asked by Krysten
3. 768 views
1.30 mol each of CO} and Cl2 are introduced into an evacuated 1.80 L flask, and the following equilibrium is established at 668
1. 0 answers
2. asked by anonymous
3. 763 views
How have the historical laws of the code of Hammarubi, Draco's Law, Law of the Twelve Tables, Justinian Code, Magna Carta, and
1. 3 answers
2. asked by juliet
3. 751 views
2) Use the sum and difference identitessin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin
1. 1 answer
2. asked by Abbey
3. 744 views
in this problem: if you wanted to put aside $2,000 a year for 10 years ginven a 10% rate of return (compounded monthly) Here, is
1. 0 answers
2. asked by susie
3. 739 views
What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the
1. 1 answer
2. asked by GGIFT
3. 734 views
Calculate the pH of the buffer solution that results when 10 mL of 0.10 M NaH2PO4 is added to 3 mL of 0.05 M NaOH.
1. 1 answer
2. asked by pat
3. 723 views
Before I start posting questions, I'd like to ask, has anyone read the script -Joker in the Pack. It is a short play about
1. 3 answers
2. asked by Sara
3. 703 views
Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant
1. 1 answer
2. asked by ruca
3. 701 views
-que vas a hacer manana?-voy a esquiar. Y tu? a. me gusta esquiar tambien b. vas a mirar la televisor c. voy a correr 5
1. 1 answer
2. asked by lisa
3. 694 views
A person is 3 times as old as aonther person but in 15 years she will only be 2 times as old. I found the answer the younger
1. 2 answers
2. asked by Lanise
3. 692 views
What is the instantaneous acceleration(both magnitude and direction) due to the coriolis force on an object moving at 160 m/s to
1. 0 answers
2. asked by Krysten
3. 682 views
The teacher wants us to express our answer to this question in a quote, then underneath that, she wants us to tell what we mean
1. 5 answers
2. asked by Sara
3. 671 views
1. There are peieces of words. You should put the word pieces together and make complete English words by going through the
1. 1 answer
2. asked by rfvv
3. 665 views
(a)How much work is done by the field in moving the electron through a distance of 7 cm?J (b) Through what potential difference
1. 3 answers
2. asked by James
3. 652 views
the structure of the forelimb of a bird is similar in structure to that of the forelimb of a mammal suggesting that both
1. 5 answers
2. asked by kay
3. 639 views
Hi, I am writing a sentence outline on the subject of World War II; more precisely, the events that led to the war. I am
1. 2 answers
2. asked by Wesley
3. 634 views
if you wanted to save $ 50,000 to have it available in 20years provided the investment would return an APR of 12% compounded
1. 3 answers
2. asked by susie
3. 623 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
1. 0 answers
2. asked by John
3. 620 views
'We are currently in an energy crisis. After food, fossil fuels are humanity's most important source of energy. These resources
1. 2 answers
2. asked by mysterychicken
3. 619 views
What net force would actually be necessary to stop an automobile of mass 880 traveling initially at a speed of 52.0 in a
1. 2 answers
2. asked by hydro
3. 611 views
Write a balanced equation for each reactionAl + Cl2 -->
1. 1 answer
2. asked by Zackary
3. 610 views
Need help with these 2--37. Wings, fins, and arms are limb adaptations that allow mammals to a. live in different environments
1. 2 answers
2. asked by mysterychicken
3. 610 views
Im doing this element project and my element is boron. i need to theme my poster with whatever element i get. example: for
1. 2 answers
2. asked by Anna
3. 590 views

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