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Questions Asked on October 12, 2009

A solution contains Cr+3 ion and Mg+2 ion. The addition of 1.00 L of 1.55 M NaF solution is required to cause the complete
1. 4 answers
2. asked by Kyle
3. 7,001 views
the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.
1. 1 answer
2. asked by sammi
3. 4,584 views
In an old fashioned amusement park ride, passengers stand inside a 5.0-m diameter hollow steel cylinder with their backs against
1. 2 answers
2. asked by Jacqui
3. 2,949 views
In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole.
1. 2 answers
2. asked by will
3. 2,936 views
A person on horseback moves according to the velocity-versus-time graph shown in Figure 2-32. (The vertical axis is marked in
1. 1 answer
2. asked by Robert C
3. 2,934 views
Which of these rational functions has a ) horizontal asymptote? a slant asymptote? no vertical asymptote?r(x)= 2x-1/ x^2-x-2 =
1. 1 answer
2. asked by Anonymous
3. 2,501 views
A physical fitness association is including the mile run in its secondary-school fitness test. Thetime for this event for boys
1. 3 answers
2. asked by Chris
3. 2,252 views
how do i write an equation showing that mass as a function of volume for gold?table shows volume (cm^3) 1.0 2.0 3.0 4.0 5.0
1. 4 answers
2. asked by MacKenzie
3. 2,202 views
In the dangerous "sport" of bungee-jumping, a daring student jumps from a balloon with a specially designed elastic cord
1. 3 answers
2. asked by Steph
3. 1,985 views
A rock is falling towards the Earth. Suppose the action force is the pull of the Earth on the rock. What is the reaction force?I
1. 2 answers
2. asked by Bryan
3. 1,982 views
The mass of Venus is 0.8140 times that of earth, and its radius is 0.950 times that of earth. Calculate the acceleration of
1. 1 answer
2. asked by Andy
3. 1,971 views
An elevator weighing 2400 N ascends at a constant speed of 5.0 m/s. How much power must the motor supply to do this?
1. 1 answer
2. asked by Dan
3. 1,781 views
Molecular size in real gases causes positive deviations from the PV/RT ratio of an ideal gas.a. True b. False
1. 3 answers
2. asked by Sheena
3. 1,714 views
An arrow is fired with a speed of 20.0 m/s at a block of Styrofoam resting on a smooth surface. The arrow penetrates a certain
1. 1 answer
2. asked by Robert C
3. 1,630 views
Which of the following usually gets a source note on the same page it appears?a. Quote b. Photo c. Paraphrased Passage d.
1. 3 answers
2. asked by shakib
3. 1,619 views
A 660 N cat burglar is supported by cables in the figure below. Assume the angle è of the inclined cable is 36.0°.Find
1. 1 answer
2. asked by Chan
3. 1,582 views
an orangutan throws a coconut vertically upward at the foot of a clif 40 m high while his mate simulaneously drops another
1. 8 answers
2. asked by Carolina
3. 1,581 views
if you invest $7500 in a mutual fund at $34.53 per share, how much profit would you make if the price per share increases to
1. 2 answers
2. asked by Bob
3. 1,559 views
Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates
1. 1 answer
2. asked by kt
3. 1,501 views
Calculate q in J when 2.02 g of ice is cooled from -22.6°C to -73.8°C (cice = 2.087 J/g·K). Do not add units to your answer.
1. 1 answer
2. asked by Sheena
3. 1,493 views
In the figure below, two point particles are fixed on an x axis separated by a distance d. Particle A has mass mA and particle B
1. 0 answers
2. asked by Jeff
3. 1,426 views
A sign with a mass of 1000.0 kg is suspended from a wall with a cable that is attached to the wall at a point 3 m above a
1. 1 answer
2. asked by ken
3. 1,402 views
the altitude of a triagnle is 2cm shorter then its base. the area is 15cm squared. determine the base of the triangle.
1. 1 answer
2. asked by byran
3. 1,355 views
A student finds a medallion which could be made of pure platinium or silver. IN order to find out what the medallion is made of
1. 1 answer
2. asked by Kevin
3. 1,330 views
Hi there,I have to create a paragraph discussing 1-pentanol, 1-decanol and 1-butanol in regards to the principles of
1. 2 answers
2. asked by Brandon
3. 1,281 views
Order of Operations...I have a question on my homework... It's order of operations Need specific problems?
1. 7 answers
2. asked by Easton
3. 1,256 views
Can someone please help me on this two Chemistry questions...they are from my lab....the lab was on Acids and Bases using Red
1. 2 answers
2. asked by Jessie
3. 1,254 views
Determine the mass of 3.16 ×1023 atoms Cl.Answer in units of g. How do you do this? Need to get it done really fast. Thanks for
1. 10 answers
2. asked by Jacob
3. 1,200 views
The three gates of the Tower are securely locked by the Chief Warder, and an escort is especially assigned for the ceremony.
1. 1 answer
2. asked by Montana
3. 1,200 views
i mean what is another word for a person who is always traveling (im writing about the alchemist and i need a word to describe
1. 1 answer
2. asked by Ashlynn
3. 1,191 views
I just want to wish everybody a happy thanksgiving day:-)Happy thanksgiving day Ms. Sue:-) I hope you have a wonderful day:-)
1. 8 answers
2. asked by Sara
3. 1,189 views
The (absolute value) x-20 (absolute value) is less than or equal to 6. I did it first with six positive and got x is lesss than
1. 2 answers
2. asked by Andrea
3. 1,172 views
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its
1. 1 answer
2. asked by Becky
3. 1,149 views
A special ceremony called The Ceremony of the Keys is performed there nightly. What is the adverb, then what is the word that
1. 1 answer
2. asked by Montana
3. 1,140 views
A pizza shop offers nin toppings. No topping is used more than once. What is the probability that the toppings are pepperoni,
1. 1 answer
2. asked by Sharon
3. 1,137 views
A 5 N force directed to the west acts on an object for 2.0 seconds. What is the change in momentum of the oject?Would it be 5 X
1. 1 answer
2. asked by Jenny
3. 1,124 views
How long will it take a 1920 W motor to lift a 285 kg piano to a sixth-story window 16.0 m above?
1. 3 answers
2. asked by jerry
3. 1,086 views
for my design technology assignment i need to find a product where the designer has thought outside of the box.im not really
1. 1 answer
2. asked by aleisha
3. 1,072 views
Some time ago, I posted up an essay that I had to write but its information was out of my book so i was told to make it in my
1. 3 answers
2. asked by mysterychicken
3. 1,050 views
list of conditions that might have enabled farmers to support themselves comfortably.list of conditions: 1.lower taxes 2.access
1. 2 answers
2. asked by Sara
3. 1,041 views
I'd like to know, how many chromosomes are there for humans?(Correct me if i'm wrong) There are altogether 46 chromosomes, (or
1. 1 answer
2. asked by Marrion
3. 1,031 views
Can you help me answer this question. I am supposed to write an assignment for grade 10 English about a dream I had and an
1. 2 answers
2. asked by rami
3. 1,028 views
a ball is projected with a speed of 20 m/s from a building toward a second building as shown. ignore air resistance and take g =
1. 1 answer
2. asked by head
3. 1,026 views
What is the geographical location of lakes and ponds?like the main area that they are in... thanks:)
1. 5 answers
2. asked by Nicole
3. 996 views
A stone, initially at rest, is dropped from the top of a building. On its way down, it passes a window that is 2.52m tall. It
1. 1 answer
2. asked by Bill
3. 992 views
Three points D, E, and F are collinear. Is there only one plane that contains these three points?
1. 1 answer
2. asked by Matt
3. 992 views
Rubidium forms the postive Rb+ Is this ion larger or smaller then the neutral atom? Explain PLEASE
1. 1 answer
2. asked by trey
3. 990 views
Parker Company uses a perpetual inventory system. It entered into the following calendar-year 2005purchases and sales
1. 2 answers
2. asked by Tonya
3. 978 views
1. A famous scientist once said that wherever in the universe life exists, some of those life-forms must be colored. Why would
1. 2 answers
2. asked by KC
3. 964 views
Alrighty, this is what I got with my essay and I worked really hard! How is it?Until the early 1500’s the Roman Catholic
1. 9 answers
2. asked by mysterychicken
3. 954 views
If two sides of a triangle are proportional to the corresponding sides of another triangle, then thetriangles are similar. Is
1. 1 answer
2. asked by Chris
3. 935 views
A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure.Find the work done by the
1. 0 answers
2. asked by Jenna
3. 934 views
A motorist drives along a straight road at a constant speed of 16.5 m/s. Just as she passes a parked motorcycle police officer,
1. 1 answer
2. asked by Becky
3. 928 views
Based on position in the periodic table and electron configuration, arrange these elements in order of decreasing E_ i1
1. 1 answer
2. asked by lisa
3. 926 views
A 1100 kg sports car accelerates from 0m/s to 33m/s in 13s What is the average power of the engine?
1. 0 answers
2. asked by Dan
3. 916 views
How does the new class differ from more traditional elites in its political attitudes?
1. 1 answer
2. asked by Anonymous
3. 904 views
A rectangular metal bar has a volume of 50.0 inches cubed.The Metal BaR weighs 1.42kg. Calculate the density of the metal in
1. 2 answers
2. asked by Kevin
3. 887 views
What is an essential characteristic of an object in equilibrium?
1. 2 answers
2. asked by Natasha
3. 868 views
compare figure 3-1, a map of France's physical features, with figure 3-2, a map of France's agricultural products by district.
1. 9 answers
2. asked by Sara
3. 868 views
Please write a program to simulate a game called Battleship. First you need to place ships on an N by N board (1 <= N <= 1000).
1. 1 answer
2. asked by Ryan
3. 845 views
Two iron bolts, one at 100. °C with a mass of 52.8g, the other at 56.0°C with a mass of 66.8g, are placed in an insulated
1. 3 answers
2. asked by Sheena
3. 840 views
Could anyone help me write a four paragraph essay with a thesis statement, based on this question?:Louis XIV declared his goal
1. 8 answers
2. asked by Anonymus
3. 833 views
Five friends ate 12-slice pizza. Julie ate twice as many slices as Rich. Jon ate half as many slices as Rich. Jordan and Isaiah
1. 1 answer
2. asked by Bobby
3. 826 views
Hi!Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 439 N(10degree) and F2
1. 0 answers
2. asked by Chan
3. 824 views
I need help with these four questionsIt goes with a crossword puzzle Directions: Fill in the blank 1. Jamal a marqué un but! Le
1. 2 answers
2. asked by bubbles
3. 820 views
A 710 kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's
1. 1 answer
2. asked by Dan
3. 819 views
An Initial amount of 100 grams of Thorium-234 decays according to the model: dP/dt=-0.02828P (where t is measured in years).a)
1. 0 answers
2. asked by RC
3. 813 views
The chapter states that the elderly population in the U.S. is growing more rapidly than the total population. In particular, the
1. 1 answer
2. asked by Emily
3. 807 views
If an astronaut dropped a small rock near the surface of Pluto, how far (in m) would the rock fall in 1.1 s? (The mass of Pluto
1. 1 answer
2. asked by Andy
3. 794 views
I am having trouble with this problem that is due tonight. Can someone please help!! I am unsure what to do with the information
1. 0 answers
2. asked by TinkRose
3. 787 views
I am learning in my computer science class about algorithms. My teacher wrote on the board:n= 1 running time= 1 3 1+1= 2 7 1+2=
1. 2 answers
2. asked by Elizabeth
3. 771 views
list four methods that modern map-makers use to make accurate maps
1. 2 answers
2. asked by amber
3. 768 views
What are some non physical effects of marijuana use?I've found lots of physical but I can't seem to find any non physical
1. 2 answers
2. asked by John
3. 767 views
What factors were responsible for the growing wealth and prosperity of England in the 17th centuryThis is a question from
1. 1 answer
2. asked by Blake
3. 764 views
what are the pros and cons of thermal expansion?
1. 1 answer
2. asked by brandon
3. 761 views
Hey guys, I'm making a lego stop-motion movie and I have a Mexican demolition expert character. =)I'll admit, this isn't
1. 4 answers
2. asked by Dreskillz89
3. 732 views
What happens to the volume of a gas inside a piston if the termperatue does not change but the pressure is reduced?
1. 1 answer
2. asked by Josie
3. 720 views
what word is damou when you unscramble it?
1. 3 answers
2. asked by debbie
3. 714 views
You drop a ball from a height of 2.8 m, and it bounces back to a height of 1.0 m. (Ignore air resistance.)(a) What fraction of
1. 1 answer
2. asked by mike
3. 695 views
Why and how could I apply critical thinking when evaluating each of the following:Articles Advertising Media · Conversations
1. 1 answer
2. asked by Mary
3. 691 views
Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full.
1. 2 answers
2. asked by Bob
3. 689 views
What is the minimum work needed to push a 975 kg car 230 m up along a 17.5° incline?Assume the effective coefficient of
1. 1 answer
2. asked by Joe
3. 678 views
Can you help me with this question because I can't find it anywhere. I searched google but still nothing.Question: What jobs did
1. 1 answer
2. asked by skittles
3. 675 views
List and dicuss some of the factors that aided European imperalism in the late 1800s
1. 1 answer
2. asked by Ra
3. 673 views
Can you please tell me if this sentence is in formal language and the grammar is correct?In the novel Manhattan Transfer,
1. 5 answers
2. asked by Unknown
3. 665 views
How did Native Americans' way of life at the missions differ from thier traditional way of life?
1. 1 answer
2. asked by Cesar
3. 661 views
the level of excitement was getting higher and higher as the day went on.it was just us 4 kids at home waiting anxiously for
1. 13 answers
2. asked by y912f
3. 651 views
what is a word to describe a person who is always moving?
1. 1 answer
2. asked by Ashlynn
3. 651 views
With what minimum speed must you toss a 160 ball straight up to hit the 15 -high roof of the gymnasium if you release the ball
1. 1 answer
2. asked by Dan
3. 650 views
The absorbance of a protein solution measured in a 1.0 cm cuvette at 278 nm was 1.145. The protein content of that solution,
1. 0 answers
2. asked by Anonymous
3. 645 views
solve and check solution12x=11x-5
1. 1 answer
2. asked by jerson
3. 639 views
What is the role of bacteria in the making of yoghurt from milk?1. to make alcohol 2. to make carbon dioxide 3. to make lactic
1. 2 answers
2. asked by Marrion
3. 638 views
When the following equation is blanced with the lowest ratio whole number, coefficient the cofficient of CO2 isC4H10(g) + O2 ->
1. 1 answer
2. asked by Aleander Azumah
3. 638 views
G. William Domhoff's view of the power structure of the United States most closely resembles the analysis of which sociological
1. 3 answers
2. asked by Mandy
3. 632 views
In 1980, Jonathan leased real estate to Jay Corporation for 20 years. Jay Corporation made significant capital improvements to
1. 1 answer
2. asked by Anonymous
3. 628 views
I am preparing the DSST (Dantes) examine in Criminal Justice.I had been looking for some practice tests for this examine. The
1. 0 answers
2. asked by G
3. 624 views
An unknown gas Q requires 1.80 times as long to effuse under the same conditions as the same amount of nitrogen gas. What is the
1. 1 answer
2. asked by Sheena
3. 623 views
The list of conditions:1.lower taxes 2.higher wages 3.access to healthcare 4.stop unearned benefits 5.free access to food 6.low
1. 4 answers
2. asked by Sara
3. 616 views
I want to keep my introduction short and simple. So how's this:Has there ever been a time or situation when you had a great
1. 1 answer
2. asked by y912f
3. 611 views
If 150.0 Ml of HCL solution are required to react completely with .35 moles of solid NaOH whats the molarity of the solution?
1. 1 answer
2. asked by Aleander Azumah
3. 605 views

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