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Questions Asked on October 4, 2011

A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.4
1. 1 answer
2. asked by nan
3. 11,868 views
A projectile of mass 0.777 kg is shot from a cannon, at height 6.6 m, as shown in the ﬁgure, with an initial velocity vi
1. 2 answers
2. asked by steve
3. 8,520 views
For each precipitation reaction, calculate how many grams of the first reactant are necessary to completely react with 17.3 g of
1. 1 answer
2. asked by Monique
3. 7,244 views
Write the fact family for 3, 9, , and 12.
1. 7 answers
2. asked by khrys
3. 7,075 views
Find the limiting reactant for the initial quantities of reactants2k(s) + Cl2(g)--> 2KCl(s) 1.8 mol K; 1 mol Cl2 I'm lost
1. 1 answer
2. asked by Monique
3. 6,179 views
calculate the number of gram of Al2S3 which can be prepared by the reaction of 20 gram of Al and 30 gram of sulpher . how much
1. 10 answers
2. asked by sss
3. 5,024 views
In Pavlov's classical conditioning experiments, the neutral stimulus that comes to elicit a conditioned reponse is known as the:
1. 3 answers
2. asked by Tisha
3. 3,393 views
How can you divide 64 into 2 groups ti get a ratio of 3 to 5?
1. 9 answers
2. asked by Ana
3. 3,143 views
For the acid-base neutralization reaction of Carbonic acid, H2CO3(aq) and lithium hydroxide, LiOH(aq), write the blanced:a)compl
1. 2 answers
2. asked by Robyn
3. 2,893 views
What mass of silver nitrate (AgNO3) is required to prepare 400 g of a 3.50% solution ofAgNO3
1. 2 answers
2. asked by Yolanda
3. 2,884 views
2. Which of the following statements best describes the relationship today between government and the economy in the United
1. 7 answers
2. asked by HM
3. 2,818 views
The horse ran down the hill and through the meadow.a. Correct 2. (Points: 2) The restaurant has openings for waitresses bus boys
1. 6 answers
2. asked by HM
3. 2,814 views
What do we call the part of the universe that is not part of the system
1. 3 answers
2. asked by Caitlin
3. 2,774 views
A)What mass of carbon dioxide is produced from the complete combustion of 7.00×10−3 g of methane?B)What mass of oxygen is
1. 3 answers
2. asked by Hannah
3. 2,755 views
11. A rocket is fired upward from some initial height above the ground. Its height h in feet above the ground t seconds after it
1. 2 answers
2. asked by Alyson
3. 2,753 views
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 3.5 m away. After a
1. 2 answers
2. asked by Travis
3. 2,744 views
An airline will provide accommodations for a minimum of 2000 first-class, 1500 tourist, and 2400 economy-class passengers.
1. 1 answer
2. asked by Peter
3. 2,587 views
A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.80 s, it is at
1. 1 answer
2. asked by Nelson
3. 2,562 views
sodium borohydride (NaBH4) is used industrially in many organic syntheses. one way to prepare it is by reacting sodium hydride
1. 1 answer
2. asked by help
3. 2,521 views
What's the accusative case for1. magna urbs 2. rex fortis 3. navis longa 4. matres laetae 5. omnes puellae
1. 7 answers
2. asked by Ashley
3. 2,472 views
the arcade has three pinball machines and five video games.If a person wants to play one pinball machine and one video game,how
1. 5 answers
2. asked by felix
3. 2,383 views
The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.(a) If a
1. 1 answer
2. asked by Allie
3. 2,121 views
the weight of a solid is 80g in air and 50g in liquid of relative density 1.5. calculate the relative density of the solid.
1. 2 answers
2. asked by pavatharani
3. 2,062 views
Determine whether the following statement makes sense or does not make sense, and explain your reasoning:By modeling attitudes
1. 3 answers
2. asked by Kara
3. 2,049 views
A movie theater runs two films continuously. One film runs for 85 minutes and a second film runs for 100 minutes. Both movies
1. 1 answer
2. asked by shelly
3. 2,013 views
33. Which of the following is correct about environmental policy?a. The national parks are subject to a dual use policy of
1. 2 answers
2. asked by HM
3. 1,992 views
In how many ways can the letters of the word EIGHT be arranged using only four of the letters at a time?
1. 4 answers
2. asked by Katie
3. 1,925 views
You are in a mountain range with atmospheric air pressure of 520 mmHg , and you wish to boil some eggs. What is the approximate
1. 3 answers
2. asked by Steph
3. 1,855 views
a box contains 20 slips of papers, numbered 1-20. A slip of paper is drawn from the box and the number is noted. Find the
1. 1 answer
2. asked by Katie
3. 1,821 views
wHY DID MISS MAFFET NEED A ROAD MAP
1. 6 answers
2. asked by may lou
3. 1,796 views
What is the standard notation for 3 to the 3rd power
1. 8 answers
2. asked by Marissa
3. 1,701 views
How ca Steve add 48 + 34 by making a ten? What is the sum?
1. 3 answers
2. asked by Dyna
3. 1,637 views
An open box is to be constructed from a rectangular sheet of tin 3 meters wide by cutting out a 1-meter square from each corner
1. 3 answers
2. asked by Sejul
3. 1,626 views
2. Why is it easier to remove excess acetic acid from the products than excess isopentyl alcohol?
1. 1 answer
2. asked by Anonymous
3. 1,586 views
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball,
1. 0 answers
2. asked by Allie
3. 1,549 views
After the Sun exhausts its nuclear fuel, its ultimate fate may be to collapse into a white dwarf state. In this state, it would
1. 1 answer
2. asked by bob
3. 1,524 views
in Triangle abc, tanA=3/4, tan B=1, and a=10. find b in simplest radical form.
1. 1 answer
2. asked by tatiana
3. 1,516 views
in a sample of 1000 people <525 men and 475 women>,113 are left handed<63 men and 50 women>.the results of the sample are shown
1. 2 answers
2. asked by ron
3. 1,440 views
How many moles of carbon, hydrogen, and oxygen are present in a 100g sample of ascorbic acid?
1. 1 answer
2. asked by julia
3. 1,439 views
construct-angle-f-so-that-m-angle-f-equals-2-m-angle-c
1. 1 answer
2. asked by Chris
3. 1,421 views
Outside lobbying does not include the use of:a. Campaign contributions to legislators who favor the interest group. b. Face to
1. 3 answers
2. asked by Casey
3. 1,416 views
You find it takes 230 N of horizontal force to move an unloaded pickup truck along a level road at a speed of 2.4 m/s. You then
1. 1 answer
2. asked by Kyle
3. 1,411 views
Ethanol (C2H5OH) boils at a temperature of 78.3oC.What amount of energy, in joules, is necessary to heat to boiling and then
1. 2 answers
2. asked by john
3. 1,403 views
Two poles, 60 feet tall and 20 feet tall, stand on opposite sides of a field. The poles are 80 feet apart. Support cables are
1. 4 answers
2. asked by kay
3. 1,377 views
The horse ran down the hill and through the meadow.Is this correct?
1. 8 answers
2. asked by HM
3. 1,354 views
if a set of six books is placed randomly on a shelf, what is the probability that they will be arranged in either correct or
1. 1 answer
2. asked by Katie
3. 1,327 views
Ok so I'm trying to analyze the essay De la educación moral by Gabino Barreda but I'm stuck on these two paragraphs. Thus far
1. 5 answers
2. asked by Cassie
3. 1,324 views
How do you solve this quadratic function?f(x) = −x2 + 10x
1. 2 answers
2. asked by Amie
3. 1,294 views
How do I prove that sinx/sinx+cosx=tanx/1+tanx
1. 1 answer
2. asked by tatiana
3. 1,291 views
A 29 kg child, with a 4.5 kg backpack on his back, first stands on a sidewalk and then jumps up into the air. Find the magnitude
1. 1 answer
2. asked by ayla
3. 1,285 views
28. Which of the following statements is true?a. X The national debt was eliminated in 1998. b.X The Chair of the Fed creates
1. 2 answers
2. asked by HM
3. 1,275 views
If 200. mL of 2.00 M H3PO4 solution is added to 600. mL of 2.00 M NaOH solution, the resulting solution will be ____ molar in
1. 1 answer
2. asked by Fran
3. 1,255 views
Is C12H22O11 soluble in water and is it ionic or a acid?
1. 1 answer
2. asked by Tyler
3. 1,247 views
Will a precipitate form when an aqueous solution of (NH4)4CO3 is mixed with Fe(NO3)3
1. 1 answer
2. asked by Anonymous
3. 1,245 views
In Pavlov's classical conditioning experiments, the neutral stimulus that comes to elicit a conditioned reponse is known as the:
1. 1 answer
2. asked by Tisha
3. 1,245 views
A rope attached to an engine pulls a 240 Newton crate up an 14.7 degree ramp at a constant speed. The coefficient of kinetic
1. 1 answer
2. asked by Rachel
3. 1,244 views
Identify the two conjugate acid-base pairs in each of the following:A) H2PO4^-(aq) + HSO4^-(aq) = H3PO4(aq) + SO4^2-(aq) B)
1. 1 answer
2. asked by Robyn
3. 1,222 views
A man drags a table 4.25 m across the floor, exerting a constant force of 54.0 N, directed 28.0° above the horizontal.I have
1. 1 answer
2. asked by Cindy
3. 1,219 views
One boat tows another boat by means of a tow line, which is under a constant tension of 495 N. The boats move at a constant
1. 1 answer
2. asked by Help
3. 1,214 views
For these hypothesis, I need to know...Determine what research goal is required determine whether you can use the experimental
1. 1 answer
2. asked by Kelli
3. 1,195 views
An unmarked police car traveling a constant 80 is passed by a speeder traveling 145 .Precisely 2.50 after the speeder passes,
1. 2 answers
2. asked by George
3. 1,194 views
An unknown mixture containing KClO3 was added to an ignition tube weighting 41.960g, The tube and mixture was then found to
1. 2 answers
2. asked by help
3. 1,184 views
Which of the following sentences uses parallelism effectively?A. The large plant-eating dinosaurs were quite slow, rather
1. 2 answers
2. asked by Diane
3. 1,174 views
Tarzan, who weighs 899 N, swings from a vine through the jungle. How much work is done by the tension in the vine as he drops
1. 1 answer
2. asked by Suzy
3. 1,173 views
How do we know that the moles of ascorbic acid originally present in the juice is equal to the moles of I2 that we added when
1. 1 answer
2. asked by Anonymous
3. 1,156 views
If X is a random variable with distribution X~N(350,110)find (a)P(X<400) and b)P(250<X<400)
1. 1 answer
2. asked by Kathryn
3. 1,151 views
A stone is thrown horizontally at 30.0m/s from the top of a very tall cliff. Calculate its horizontal position and vertical
1. 1 answer
2. asked by Ruth
3. 1,145 views
Am I correct in saying that mountains are the landform that separates Europe from Asia?
1. 2 answers
2. asked by Reed
3. 1,121 views
A 36.0mL sample of 1.20 M KBr and a 56.0mL sample of 0.700 M KBr are mixed. The solution is then heated to evaporate water until
1. 2 answers
2. asked by Cecelia
3. 1,118 views
Shall I use the simple past only for the following two questions (which refer to history)?I included other doubts. Thank you. 1)
1. 1 answer
2. asked by Henry2
3. 1,100 views
Could you check the following sentences on indirect speech, too? Thank you.By the way, how do you pronounce "Keruac", the
1. 1 answer
2. asked by Henry2
3. 1,087 views
There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each
1. 1 answer
2. asked by Anonymous
3. 1,079 views
Which of the following statements describes the relationship between genes, chromosomes, and DNA? a. Genes, the basic unit of
1. 1 answer
2. asked by bj
3. 1,077 views
predict the outcome of mixing aqueous solutions of the following reactions. write the ionic equations of each.mercury (ll)
1. 2 answers
2. asked by TROUBLED
3. 1,072 views
When a block is placed on top of a vertical spring, the spring compresses 4.40 cm. Find the mass of the block, given that the
1. 1 answer
2. asked by Bernie
3. 1,071 views
How do we compensate for thermal expansion /contraction in the construction of railway tracks?How do we compensate for thermal
1. 1 answer
2. asked by anil
3. 1,054 views
a)How many grams of H2 are needed to produce 14.27 g of NH3?b)How many molecules (not moles) of NH3 are produced from
1. 2 answers
2. asked by Hannah
3. 1,044 views
show lim x->3 (sqrt(x)) = (sqrt(c))hint: 0< |sqrt(x)-sqrt(c)|= (|x-c|)/(sqrt(x)+sqrt(c))<(1/(sqrt(c))*|x-c|
1. 1 answer
2. asked by Shayna
3. 1,044 views
Differentiate following with respect to x f(x) = (3x^2 – 5ax + a^2)^4
1. 1 answer
2. asked by anil
3. 1,038 views
Your bedroom is 18 ft long and 15 ft wide, and the distance from floor to ceiling is 8 ft 6 in. You need to know the volume of
1. 6 answers
2. asked by Nicole
3. 1,035 views
what is the concentration of a solution with 5 grams of HBr dissolved in 2 liters of water?
1. 1 answer
2. asked by rick
3. 1,023 views
Will a precipitate form when an aqueous solution of (NH4)4CO3 is mixed with Fe(NO3)3
1. 1 answer
2. asked by Anonymous
3. 1,015 views
what single discount is successive discounts of 30% and 50% equivalent to?
1. 2 answers
2. asked by haryot
3. 1,011 views
express u(t)=Tant/1+Tant in F of G
1. 1 answer
2. asked by Kevin
3. 1,005 views
i.) When elephants fight, it’s the grass that suffersii.) I’ve missed more than 9000 shots in my career. I’ve lost almost
1. 2 answers
2. asked by help
3. 1,004 views
I need to think of some political, social, and economic issues of the late 19th century.I'm a little confused because some
1. 3 answers
2. asked by Em
3. 989 views
Martin and Patrick have a model of an airplane which they want to duplicate. Martin uses a string and ruler to make approximate
1. 0 answers
2. asked by Help me
3. 988 views
Describe the linear programming situation for this system of inequalities.x≤1 , y ≥0 , 3x+y≤5 infeasible unbounded an
1. 1 answer
2. asked by HC
3. 987 views
Find the limiting reactant for the initial quantities of reactants2k(s) + Cl2(g)--> 2KCl(s) 1.8 mol K; 1 mol Cl2 I'm lost
1. 1 answer
2. asked by Monique
3. 981 views
1. A sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed?2. Urea (NH2)2CO is
1. 1 answer
2. asked by Anonymous
3. 981 views
a) Calculate [H3O^+] in a 0.15M solution of benzonic acid, HC7H5O2(aq) having K of 6.4x10^-5.b) Calculate the per cent
1. 1 answer
2. asked by Sarah
3. 981 views
Calculate the side of the square base.if the diagonal of the base of a square prism is 8,49 cm and the height is 12 cm
1. 1 answer
2. asked by Nomvuyiso
3. 976 views
if cot 17 degrees = 3.2709, find tan 73 degrees
1. 1 answer
2. asked by james
3. 961 views
6+m/3=18 What does m equal.
1. 1 answer
2. asked by Thomas
3. 960 views
the london eye in england is the biggest big wheel in the world. It rotates with people on it so that they can get a view of the
1. 1 answer
2. asked by nellicia
3. 959 views
(Blood Test Problem) Suppose 100 people are waiting for blood test for a kind of disease. The probability that for one person
1. 1 answer
2. asked by Anonymous
3. 954 views
A student has six textbooks, each with a thickness of 4.0 cm and a weight of 30 N. What is the minimum work the student would
1. 1 answer
2. asked by Kels
3. 951 views
Write an essay that compares and contrasts the ways in which China and Japan responded to the West. Describe how each nation’s
1. 1 answer
2. asked by *Anna*
3. 948 views
show lim x->3 (sqrt(x)) = (sqrt(c))hint: 0< |sqrt(x)-sqrt(c)|= (|x-c|)/(sqrt(x)+sqrt(c))<(1/(sqrt(c))*|x-c|
1. 1 answer
2. asked by DJ
3. 939 views
Two children on racing bikes start from the same reference point. Child A travels 5.0m/s{right} and child B travels
1. 1 answer
2. asked by ted
3. 935 views

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