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Questions Asked on October 15, 2010

A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is
1. 1 answer
2. asked by John
3. 10,507 views
An elevator in a tall building is allowed to reach a maximum speed of 3.3 m/s going down. What must the tension be in the cable
1. 2 answers
2. asked by John
3. 5,627 views
Imagine that you have been asked to prepare 500ml of a 0.25 mol L solution of Sodium Hydroxide, NaOH. Describe how you would
1. 4 answers
2. asked by Dexter
3. 3,635 views
calculate the number of moles of solute present in 124.0g of a solution that is 6.45% glucose by mass.
1. 1 answer
2. asked by lulu
3. 3,609 views
brass is a subtitutional alloy consisting of a solution of copper and zinc. a particulae sample of red brass consisting of 80%
1. 11 answers
2. asked by lulu78
3. 3,435 views
If a proton is accelerated from rest through a potential difference of 1500 V, find its final velocity. proton mass = 1.67
1. 2 answers
2. asked by angela
3. 3,329 views
a skydiver who weighs 500N reaches terminal velocity of 90 km/h. the air resistence on the diver is then...a)90N b)250N c)410N
1. 2 answers
2. asked by katella
3. 3,217 views
3.57×10−2 mol Ba Express your answer using three significant figures
1. 4 answers
2. asked by Lisa
3. 3,091 views
Essay question:Choose an article reporting on a site where a conflict is likely to occur in the future. Summarize the article
1. 14 answers
2. asked by Kaitlin
3. 3,052 views
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total
1. 2 answers
2. asked by Sarah
3. 3,003 views
Two archers shoot arrows in the same direction from the same place with the same initial speeds, but at different angles. One
1. 2 answers
2. asked by Kara
3. 2,987 views
the mathematical relationship between velocity (v) and time (t) for a coin tossed up into the air after it leaves the
1. 5 answers
2. asked by abe
3. 2,868 views
What is the mass, in grams, of each of the following? 44.3 mol Xe
1. 7 answers
2. asked by Lisa
3. 2,723 views
Find d2y/dx2 in terms of x and y.y5 = x6
1. 1 answer
2. asked by Matt
3. 2,685 views
A fish is reeled in at a rate of 3.2 feet per second from a point 10 feet above the water (see figure). At what rate is the
1. 1 answer
2. asked by kim
3. 2,511 views
gravity on the surface of the moon is only 1/6 as strong as gravity on earth. what is the weight of a 37 kg object on the earth?
1. 3 answers
2. asked by Anonymous
3. 2,435 views
this is a algebra pizzazz question what happened to the glass blower who inhaled?
1. 14 answers
2. asked by victoria wh
3. 2,260 views
kindly make 7 sentences with the verb ".HABITER". THANKS.....IAM A 4TH GRADE STUDENT.
1. 5 answers
2. asked by mimi
3. 2,184 views
Multiple select.The dissolution of the Union of Soviet Socialist Republics _____. 1) had no effect on the United States 2)
1. 7 answers
2. asked by Katy
3. 2,149 views
A sample of gas collected over water at 42 C occupies a volume of one liter. The wet gas has a pressure of 0.986 atm. The gas is
1. 1 answer
2. asked by Bree
3. 2,014 views
As some molten metal splashes, one droplet flies off to the east with initial speed vi at angle θi above the horizontal, and
1. 1 answer
2. asked by natalie
3. 1,995 views
A company manufactures calculators in batches of 64 and there is a 5% rate of defects. What is the standard deviation for the
1. 2 answers
2. asked by Rebecca
3. 1,838 views
Incidents of Basque violence are caused by their desire for _____.1) educational opportunities 2) improved health care 3)
1. 2 answers
2. asked by Katy
3. 1,715 views
Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects
1. 2 answers
2. asked by Dharmenra
3. 1,680 views
If it takes three "breaths" to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air,
1. 5 answers
2. asked by Samuel
3. 1,653 views
Please help !!!!!Find dy/dx by implicit differentiation. (sin πx + cos πy)4 = 65
1. 4 answers
2. asked by john
3. 1,641 views
in the sieve of Eratosthenes for numbers less than 100, explain why after we cross our the multiples of 2 3 5 and 7 the
1. 1 answer
2. asked by Emmy
3. 1,631 views
What will be the final temperature if 2000g of copper at 95 degrees loses 10 kcal of heat?
1. 3 answers
2. asked by Kelly
3. 1,616 views
A physics book slides off a horizontal tabletop with a speed of 1.10m/s . It strikes the floor in 0.350s . Ignore air
1. 1 answer
2. asked by Sam
3. 1,578 views
A math book is .78 centimeters thick. What is the width of 21 math books on a shelf?
1. 11 answers
2. asked by TJ
3. 1,457 views
Why do we tend to assume that natural chemicals are safe while industrial chemicals are evil? Is this correct?
1. 2 answers
2. asked by Anonymous
3. 1,450 views
2 trains going opposite directions leave at the same time. Train b is 10mph faster than train a. in 8 hours the trains are 960
1. 1 answer
2. asked by Anonymous
3. 1,405 views
What is the centripetal acceleration of the Moon? The period of the Moon's orbit about the Earth is 27.3 days, measured with
1. 3 answers
2. asked by Gina
3. 1,394 views
You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of
1. 2 answers
2. asked by m
3. 1,368 views
A company manufactures calculators in batches of 64 and there is a 5% rate of defects. What is the standard deviation for the
1. 1 answer
2. asked by Rebecca
3. 1,347 views
A bag contains a mixture of copper and lead BBs. the Average density of the BBs is 9.50g/cm^3. Assuming that the copper and lead
1. 1 answer
2. asked by inny
3. 1,323 views
A physics book slides off a horizontal tabletop with a speed of 1.10m/s . It strikes the floor in 0.350s . Ignore air
1. 2 answers
2. asked by Kara
3. 1,322 views
At a county fair, a boy takes his teddy bear on the giant Ferris wheel. Unfortunately, at the top of the ride, he accidentally
1. 2 answers
2. asked by Gina
3. 1,319 views
A cable passes over a pulley. Because of friction, the tension in the cable is not eh same on opposite side of the pulley. The
1. 0 answers
2. asked by Rod
3. 1,313 views
If f(1) > 0 and f(3) < 0, then there exists a number c between 1 and 3 such that f(c) = 0. Is this true or false?Please and
1. 3 answers
2. asked by sara
3. 1,313 views
A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium.What is the partial pressure of oxygen when
1. 2 answers
2. asked by marsha
3. 1,268 views
A girl makes a jump in the long jump with an initial velocity of 12 m/s. She leaves the ground at 20 degrees above the
1. 1 answer
2. asked by gale
3. 1,266 views
If12x − 52 ≤ f(x) ≤ x2 + 4x − 36 determine lim x→ 4 f(x) = What theorem did you use to arrive at your answer?
1. 1 answer
2. asked by Trevor
3. 1,263 views
Please read to the bottom - This help was wonderful and absolutely correct, I'm asking a bit more regarding the same question,
1. 3 answers
2. asked by Dexter
3. 1,187 views
suppose you are enclosing a rectangular area to create a rabbit cage. you have 80 ft of fence and want to build a pen with the
1. 2 answers
2. asked by jenny
3. 1,183 views
the sum of three numbers is 60. One number is ten more than a second number. It is also twice the third. Find the numbers.The
1. 3 answers
2. asked by Anonymous
3. 1,157 views
Let f:A->B, where A and B are nonemptyProve that f(S1 - f(S2) is a proper subset of f(S1 -S2) fo all subsets S1 and S2 of A.
1. 0 answers
2. asked by dreww1961
3. 1,152 views
In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of
1. 1 answer
2. asked by Mike
3. 1,102 views
why is it important to consider the components of the social ecology framework in community and public health?
1. 1 answer
2. asked by davon
3. 1,087 views
Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of
1. 1 answer
2. asked by Elle
3. 1,065 views
(From A Separate Peace)9. Finny's behavior in the snowball fight suggests that his life is a. one long struggle b. based on
1. 2 answers
2. asked by mysterychicken
3. 1,028 views
Find the linearization of the function below at x = πy=sin(x)/x Your answer should be a linear function of x where the
1. 0 answers
2. asked by aneri
3. 1,017 views
Find the linearization of the function below at x = π/3.?y=sin(x)/x Your answer should be a linear function of x where the
1. 1 answer
2. asked by john
3. 1,009 views
What are the principles behind the ethics of care?
1. 1 answer
2. asked by meshelle
3. 988 views
Could you please tell me if these are right? Write an equation for the following reactions. Write the correct formulas of the
1. 1 answer
2. asked by Chris
3. 983 views
2x^2-5x-3/3x^2-5x-2 times 2x^2+11x+5/x^2+3x-10this is what I have: (x-3)(2x+1)/(x-2)(3x+1) times (2x+1)(x+5)/(x-2)(x+5) How is
1. 1 answer
2. asked by Heather
3. 967 views
A horizontal spring, resting on a frictionless tabletop, is stretched 14 from its unstretched configuration and a 1.00- mass is
1. 1 answer
2. asked by J
3. 953 views
What does it mean by:Show that the "value of 3x^2-6x+5" cannot be less than 1. ?
1. 1 answer
2. asked by Emily
3. 950 views
Name each of the following ionic compounds containing a polyatomic ion. (Type your answer using the format copper(II) chloride
1. 2 answers
2. asked by sara
3. 945 views
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball
1. 2 answers
2. asked by Jordan
3. 935 views
A man with a mass of 65 kg stands up in a 64-kg canoe of length 4.0 m floating on water. He walks from a point 0.75 m from the
1. 2 answers
2. asked by Gina
3. 913 views
The compass in a plane indicates that the plane is heading due east, with an airspeed of 250 km/h (Vpa). A steady wind is
1. 0 answers
2. asked by Jon
3. 911 views
mr jones buys a new car for $50,000. the car decreases in value at the rate of 30% each year. find the value of the car after
1. 2 answers
2. asked by tia
3. 906 views
_____ wrote humorous tales about the Gold Rush.Guy de Maupassant Frank R. Stockton Mark Twain
1. 6 answers
2. asked by Anonymous
3. 906 views
Should fact based be hyphnated?
1. 1 answer
2. asked by Anonymous
3. 905 views
At 63.5 degreesC, the vapour pressure of H2O is 23.3kPa and that of ethanol is 53.3kPa. A solution is made by mixing egual
1. 4 answers
2. asked by lulu78
3. 887 views
Consider the following function.f(t) = 3t2 − 3 (a) Find the average rate of change of the function below over the interval [3,
1. 0 answers
2. asked by Sophie
3. 886 views
The scores on an Economics examination are normally distributed with a mean of 77 and a standard deviation of 18. If the
1. 1 answer
2. asked by br0Ok3
3. 884 views
So I think I have done this problem right, I was just wondering if anyone would check over it for me.What mass (in grams) of
1. 1 answer
2. asked by Tim
3. 873 views
A backpacker carries 2.1 of white gas as fuel for her stove.How many pounds does the fuel add to her load? Assume the density of
1. 1 answer
2. asked by patrice
3. 872 views
Find d2y/dx2 in terms of x and y.y5 = x6
1. 0 answers
2. asked by Matt
3. 869 views
Find the derivative by the limit process.6/√(8x)
1. 0 answers
2. asked by Sophie
3. 854 views
what is the correct verb form of yo, tu, and ustedes?
1. 2 answers
2. asked by pandora
3. 841 views
Leg traction is applied to a patient's leg as shown in the figure below. If the physician has requested a 33 N force to be
1. 1 answer
2. asked by Nikita
3. 812 views
0.1m aqueous solution of HCl and 0.1m aqueous solution of C6H12O6.calculate the boiling point of each i know the eq. dTb=Kbm but
1. 4 answers
2. asked by lulu78
3. 811 views
Please read to the bottom - This help was wonderful and absolutely correct, I'm asking a bit more regarding the same question,
1. 1 answer
2. asked by Dexter
3. 806 views
A basketball player has a 76% chance of making a free throw. What is the probability of her making 104 or more free throws in
1. 1 answer
2. asked by br0Ok3
3. 792 views
Sat scores l around the nation tend to have a mean score around 500, a standard deviation of about 100 points and are
1. 4 answers
2. asked by please help in panic mode-mary
3. 789 views
boy pulls a toy cart of mass 2 kg with a force of 3 N at an angle of 60° with respect to the horizontal road. What is the
1. 1 answer
2. asked by kimberly
3. 786 views
A coin is weighted so that the probability of obtaining a head in a single toss is 0.37. If the coin is tossed 27 times, find
1. 0 answers
2. asked by br0Ok3
3. 778 views
A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 10.0 N force directed 25.0° below
1. 1 answer
2. asked by blake
3. 754 views
I am needing to write an outline on Immigration in the United States. Here is my thesis " While immigration has positive results
1. 1 answer
2. asked by P
3. 752 views
A 25kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts
1. 4 answers
2. asked by Nicole
3. 750 views
The tread lives of the Super Titan radial tires under normal driving conditions are normally distributed with a mean of 34000 mi
1. 1 answer
2. asked by br0Ok3
3. 749 views
I'm in 7th grade and I'm doing a lesson plan for the book because of winn-dixie. For the final project I'm going to have
1. 1 answer
2. asked by Monica
3. 736 views
Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how
1. 1 answer
2. asked by Gina
3. 734 views
Suppose from a population of 50 bank accounts we want to take a random sample of three accounts in order to learn about the
1. 0 answers
2. asked by John
3. 729 views
Let f:A->B, where A and B are nonemptyProve that f(S1 - f(S2) is a proper subset of f(S1 -S2) fo all subsets S1 and S2 of A.
1. 0 answers
2. asked by dreww1961
3. 714 views
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rpm (revolutions per minute). When switched off, it
1. 1 answer
2. asked by Gina
3. 706 views
what percentage of students studied between 30 and 40 hours? Range 10-50, Mean- 35, standard deviation-5.
1. 1 answer
2. asked by kim
3. 701 views
Find the equation of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) at the point ( -3 , -1 )
1. 1 answer
2. asked by Kevin
3. 699 views
suppose both pairs of opposite sides of a quadrilateral are parallel. Which angles of the quadrilateral must be supplementary?
1. 0 answers
2. asked by jessica
3. 691 views
Dr BOB can you explain this to me. I am so struggling with this subject.during a typical breathing cycle the CO2 concentration
1. 1 answer
2. asked by lulu78
3. 670 views
I have an eight pack of crayons. Colors red, green, blue, orange, black, gray, pink, and purple.What is the probability of
1. 2 answers
2. asked by Jessica
3. 661 views
Find dy/dx by implicit differentiation.sin x = x (1 + tan y)
1. 0 answers
2. asked by Brian
3. 660 views
A 20.0 kg crate is pushed across a rough floor for a distance of 90.0 cm. When the force pushing the block is equal to 80.0 N
1. 3 answers
2. asked by Diana
3. 657 views
the sum of the four angle measures of any convex quadrilateral is 360 degrees. if a certain convex quadrilater has angle
1. 1 answer
2. asked by ashley
3. 654 views
A horizontal force of 20 N acted on a 10 kg mass at rest. The force accelerated the mass over a rough surface so that the mass
1. 1 answer
2. asked by Liz
3. 647 views
Consider three layers of a wall. The first layer is plaster 1.0 cm thick (R = 0.033 SI units), the second layer is fiberglass
1. 0 answers
2. asked by jim
3. 645 views
you are conducting research on sex diffrences in e-mails.Your hypothesis is that men use more declarative statements and women
1. 6 answers
2. asked by diane
3. 641 views

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