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2012
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Questions Asked on September 29, 2012

A hydraulic lift office chair has its seat attached to a piston with an area of11.2 cm2 . The chair is raised by exerting force
1. 6 answers
2. asked by Alexis
3. 7,734 views
How high will a 1.85 kg rock go if thrown straight up by someone who expends 80.0 J of energy on it?
1. 2 answers
2. asked by tracy
3. 5,846 views
Janet Home went to Citizen Bank. She borrowed $7,000 at a rate of 8 percent. The date of the loan was September 20. Janet hoped
1. 3 answers
2. asked by Anonymous
3. 5,409 views
A cardboard manufacturer wishes to make open boxes from square pieces of cardboard of side 12 in. by cutting equal squares from
1. 3 answers
2. asked by Kamille
3. 5,197 views
A crate of mass 45.0 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the
1. 1 answer
2. asked by Anonymous
3. 3,660 views
A gun fires a shell at an angle of elevation of 30 degrees with a velocity of 2*10^3m/s. What is the horizontal and vertical
1. 6 answers
2. asked by Joshua
3. 3,439 views
For each of the following bonds, indicate the positive end with \delta^{+} and the negative end with \delta^{-}. Write an arrow
1. 2 answers
2. asked by shay
3. 2,819 views
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the
1. 1 answer
2. asked by Angie
3. 2,532 views
find a ratio equivalent to each ratio.then use the ratios to write a proportion 8/14 4/18.. I am so confused. Pleasse help
1. 5 answers
2. asked by randomchik
3. 2,434 views
If the limit as x approaches 1 for (f(x) - 7)/(x-1)=8,evaluate the limit as x approaches 1 for f(x)
1. 2 answers
2. asked by Anonymous
3. 2,131 views
Two forces of magnitude 80n and 60n are inclinde to each other at angle 90 calculate the resultant force and obtain it direction
1. 1 answer
2. asked by jimye jackson
3. 1,853 views
A 2.00 kg block is held in equilibrium on an incline of angle θ = 75° by a horizontal force applied in the direction shown in
1. 1 answer
2. asked by Anonymous
3. 1,766 views
How many hydrogen atoms are present in 1.02 mg of aspartame?I already got that there are 2.08e18 molecules of aspartame in
1. 2 answers
2. asked by rebekah
3. 1,649 views
(a) A 10 kg box of candy rests on a floor with a coefficient of static friction of 0.30. What force is needed to move the box?b)
1. 1 answer
2. asked by Hanu
3. 1,643 views
A bullet of mass 50g is fired from a gun of mass 6kg with a velocity of 400m/s. calculate the recoil velocity of the gun?
1. 2 answers
2. asked by hemnath
3. 1,595 views
calculate the moles of sulfuric acid that remained in the solution after reaction with the carbonate.the tared mass of carbonate
1. 4 answers
2. asked by Anonymous
3. 1,582 views
Find the measures of angles 1 through 5 in the figure shown. if the angles are 78 degrees and 42 degrees.
1. 1 answer
2. asked by phillip
3. 1,539 views
Suppose f and g are continuous functions such thatg(3) = 2 and the limit as x approaches 3 of [3f(x) + f(x)g(x)] = 15. Find
1. 1 answer
2. asked by Anonymous
3. 1,357 views
The forces in the figure below are acting on a 2.1 kg object. Find the values of ax and ay, the x and y components of the
1. 0 answers
2. asked by kev
3. 1,295 views
In general, what is the relationship between the standard deviation and variance?a. Standard deviation equals the squared
1. 1 answer
2. asked by Misty
3. 1,269 views
An investor invested a total of $2000 in two mutual funds. One fund earned 9% profit while the other earned a 6% profit. If the
1. 1 answer
2. asked by Nixie
3. 1,225 views
I don't get what the question is asking?Question: How were the evils of the Industrial Revolution addressed in England in the
1. 4 answers
2. asked by Anonymous
3. 1,201 views
I'm taking Sociology 1st semester and Psychology 2nd semester when I go to the 9th grade. I'm just curious but is there any
1. 1 answer
2. asked by Laruen
3. 1,195 views
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 22.2° with respect to the
1. 0 answers
2. asked by shyne
3. 1,176 views
Ashley is very bold, outgoing, sociable, agreeable, and open to trying new things. Her sunny personality can probably be
1. 1 answer
2. asked by phia
3. 1,145 views
how do I solve this: (17x^3-5x^2+4x-3)-(5x^3-9x^2-8x+11) and putting the resulting polynomial in standard form?
1. 1 answer
2. asked by Joe
3. 1,118 views
A trough is 3 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of
1. 0 answers
2. asked by Ryan
3. 1,098 views
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 692 m/s. The barrel is pointed directly at the
1. 0 answers
2. asked by shyne
3. 1,091 views
How to do factorise ? What is Factorise ? Give me some examples ,please . Thank you !
1. 1 answer
2. asked by Kim
3. 1,080 views
Recall the Prisoners problem from class. We have three prisoners (A, B, and C) on death row. The Governorwill pardon one of the
1. 1 answer
2. asked by ami
3. 1,073 views
Are my answers correct?1 Elle voit le film au cinéma. Elle _____ voit. le-my choice lui pour me 2 Nous parlons souvent à nos
1. 4 answers
2. asked by Mark
3. 1,072 views
A chain 64 meters long whose mass is 20 kilograms is hanging over the edge of a tall building and does not touch the ground. How
1. 1 answer
2. asked by Ryan
3. 1,064 views
A 1500 kg car moves along a horizontal roadat speed v0 = 21.9 m/s. The road is wet, so the static friction coeﬃcient between
1. 2 answers
2. asked by Cody
3. 1,050 views
A sample of purchases at the local convenience store has resulted in the following sample data, where x = the number of items
1. 1 answer
2. asked by Anonymous
3. 1,046 views
How to solve titration problem for HC2H3O2 + NaOH= NaC2H3O2 + H2OThe M of NaOH= 0.427 The volume of NaOH= 17.30mL 10.00mL of
1. 1 answer
2. asked by Anonymous
3. 1,037 views
one day victor was riding in the car with his dad and saw a sign that read 500 km to Indianapolis. about how many hours did it
1. 3 answers
2. asked by randomchik
3. 1,007 views
What is a simpler form of the radical expression? ^4sqrt 81x^20 y^8 A, 3|x^5|y^2 B. 9|x^25|y^4 C. 9x^25|y^4| D. 3x^5|y^2|
1. 0 answers
2. asked by Ann
3. 1,005 views
In my math book I got a question saying 1\5 times 8/9. My answer is 1\5 am I correct.THANKS
1. 7 answers
2. asked by Americal
3. 991 views
Divide 64 bundles of newspapers into two groups so the ratio is 3 to 5.
1. 2 answers
2. asked by Sam
3. 951 views
Ariel found the density of an unknown solid to be 24.3 g/cm3. Her teacher told her that something must have gone wrong with her
1. 2 answers
2. asked by Anonymous
3. 924 views
The mass of the heavier block is 28 kg and the mass of the lighter blocks is 14 kg and the magnitude of the force of the
1. 1 answer
2. asked by michelle
3. 918 views
A sample has a mean of M = 25. If one person with a score of X = 25 is added to the sample, what effect will it have on the
1. 2 answers
2. asked by Misty
3. 906 views
For adults, which ranges below reflect an accurate BMI category?A. If your BMI is 30 or higher, it falls within the overweight
1. 6 answers
2. asked by Haley
3. 869 views
A rocket shoots straight up from the launch-pad. Five seconds after lift-off, an observer 2 miles away notes that the rocket's
1. 0 answers
2. asked by Lianne
3. 857 views
Therefore do not deceive yourself. Of all deceivers fear most yourself. what does this mean.
1. 3 answers
2. asked by John
3. 840 views
a) The coefficient of kinetic friction between a steel block and an ice rink surface is 0.0100. If a force of 24.5 N keeps the
1. 0 answers
2. asked by Hanu
3. 807 views
An object falling under the pull of gravity is acted upon by a frictional force of air resistance. The magnitude of this force
1. 0 answers
2. asked by Anonymous
3. 805 views
Steve`s home and Ann`s home are both in the same building.-predicate
1. 1 answer
2. asked by Anonymous
3. 781 views
Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:12, immediately turns, and
1. 2 answers
2. asked by Sarah
3. 764 views
Scenario: A client comes to you for investment advice on his $500,000 winnings from the lottery. He has been offered the
1. 1 answer
2. asked by carol
3. 762 views
A painter of mass 90.0 kg stands on a platform of mass 50.0 kg and pulls on two ropes which hang over pulleys, as shown. He
1. 0 answers
2. asked by shyne
3. 742 views
Suppose we have a set of body temperatures with a mean of 98.6 degrees, and a sample standard deviation of 1.0 degree. Assuming
1. 1 answer
2. asked by Anonymous
3. 741 views
Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which
1. 0 answers
2. asked by Bee
3. 713 views
Two different areas of the United States receive the same amount of rainfall during a day. Area A has soil that contains many
1. 1 answer
2. asked by Nuvola
3. 707 views
a) Why are there no units attached to values of μ?b)A force of 120 N is needed to push a box along a level road at a steady
1. 1 answer
2. asked by Hanu
3. 703 views
8. Calculate the price elasticity demand, given Q1=500 , Q2=1000 , P1=55,P2=50
1. 0 answers
2. asked by Anonymous
3. 689 views
How many milliliters of a 0.81 M HCl solution are needed to react completely with 2.2 g of zinc to form zinc(II) chloride?
1. 1 answer
2. asked by Emily
3. 685 views
A 19000 kg sailboat experiences an eastwardforce 16400 N due to the tide pushing its hull while the wind pushes the sails with a
1. 1 answer
2. asked by Joe Rogers
3. 680 views
A jet plane is cruising at 225.0m/s when suddenly the pilot turns the engines up to full throttle. After travelling 2.26km, the
1. 1 answer
2. asked by Sarah
3. 677 views
A car starts from rest and travels for 5.6 swith a uniform deceleration of 1.3 m/s 2 . What is the ﬁnal velocity of the car?
1. 1 answer
2. asked by neko alice
3. 673 views
A 69-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 823 N. What is the acceleration
1. 0 answers
2. asked by Anonymous
3. 669 views
an archer at the edge of a cliff fires an arrow from a height of 14.6 m above the ground at the bottom of the cliff. the arrow
1. 0 answers
2. asked by Anonymous
3. 665 views
Let the radius of the circular segment be 92 m,the mass of the car 2393 kg, and the coefficient of the static friction between
1. 1 answer
2. asked by mark
3. 663 views
Figure 18-23 shows three linear temperature scales, with the freezing and boiling points of water indicated.
1. 0 answers
2. asked by Anonymous
3. 657 views
A surface ship is moving in a straight line (horizontally) at 8km/hr. At the same time, an enemy submarine maintains a position
1. 0 answers
2. asked by Sean
3. 631 views
How would I find the volume of 30% hydrogen peroxide solution from 20mL of 3% hydrogen peroxide solution?
1. 3 answers
2. asked by Zach
3. 630 views
A solution of ethanol (C2H50H) in water is prepared by dissolving 76.9ml of ethanol (density0.79g/cm3) in enough water to make
1. 2 answers
2. asked by Fai
3. 627 views
Suppose that youflip a fair coin (P(H)=P(T)=1 2 ) three times and you record if it landed on heads, H, or tails, T. (a) What is
1. 2 answers
2. asked by ami
3. 625 views
For a particular sample of 63 scores on a psychology exam, the following results were obtained.First quartile = 57 Third
1. 1 answer
2. asked by Dawn
3. 623 views
A driver of a car traveling at 16.6 m/s appliesthe brakes, causing a uniform deceleration of 3.0 m/s^2. How long does it take
1. 1 answer
2. asked by neko alice
3. 620 views
an archer at the edge of a cliff fires an arrow from a height of 14.6 m above the ground at the bottom of the cliff. the arrow
1. 1 answer
2. asked by Anonymous
3. 615 views
I do not understand the assignment my teacher gave me if possible can you find me an article so i can do my presentation that
1. 0 answers
2. asked by Jesus
3. 605 views
This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the
1. 1 answer
2. asked by Matthias
3. 602 views
I have had this question in my homework, and honestly I got stuck in these questions. I managed to convert 5.3g of Na2CO3 into
1. 1 answer
2. asked by Matthias
3. 590 views
Frick and Frack are 35-year-old identical twins separated in infancy and reared apart. Frick and Frack were recently reunited
1. 3 answers
2. asked by phia
3. 570 views
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 443 N and F2 = 372 N.
1. 1 answer
2. asked by Anonymous
3. 566 views
on her first two math tests, Gracie has an average score of 86. If she got a score of 92 on the first test, what is her score on
1. 2 answers
2. asked by jaime
3. 556 views
during the softball season, judy had 35 hits. Among her hits were one home run, 1 triple and 5 doubles. the rest of her hits
1. 1 answer
2. asked by Lily
3. 554 views
Two sides of a triangle are x units and y units in length. The angle between them is theta. Prove that the area of the triangle
1. 1 answer
2. asked by Tyson
3. 552 views
A car with an initial speed of 21.9 km/h accelerates at a uniform rate of 0.89 m/s2 for 3.7 s. Find the ﬁnal speed of the car.
1. 1 answer
2. asked by Anonymous
3. 547 views
a) What is the total force of friction on a wagon’s wheels if it takes 30 N to move it at a constant speed across a bumpy
1. 0 answers
2. asked by Hanu
3. 544 views
While you are sitting on a park bench with your friend, you grab his hat and start running in a straight line away from him.
1. 0 answers
2. asked by joane
3. 542 views
All ICD9-Cm Codes must be supported by: A. Nonessential modifiers. B. physician documentation in the medical record. C. V codes.
1. 0 answers
2. asked by Patty
3. 534 views
A model rocket is launched straight upwardwith an initial speed of 53.0 m/s. It acceler- ates with a constant upward
1. 1 answer
2. asked by juan
3. 534 views
The rate constant for a certain reaction is = 8.00×10−3 . If the initial reactant concentration was 0.400 , what will the
1. 2 answers
2. asked by Dab353
3. 515 views
Calculate the power required of a 1190 kg car as it climbs a 11° hill at a steady 103 km h-1. The total friction and air
1. 0 answers
2. asked by Simon
3. 512 views
a 150-N and 80-N force act upon an object. the angle between the two forces is 55 degrees. determine the magnitude and direction
1. 0 answers
2. asked by helena
3. 511 views
SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are
1. 1 answer
2. asked by Anonymous
3. 511 views
In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is
1. 1 answer
2. asked by Anonymous
3. 510 views
in solving the equation (x +2)(x - 2) = 32 eric stated the solution to be x + 2 = 32 => x = 30 or x- 2 = 32 => x = 34. however
1. 1 answer
2. asked by Theresse
3. 508 views
two stones with initial speeds of 13 m/s and are thrown at an angle 30 degrees, one below the horizontal and one above the
1. 0 answers
2. asked by James
3. 500 views
A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours.(a) How high above Earth's surface is
1. 2 answers
2. asked by Brenda
3. 500 views
An F-14 jet fighter flies horizontally at 200m/s at an angle of 30 degrees above the horizon when it drops parcel from 2400m
1. 1 answer
2. asked by Jeff
3. 498 views
divide me by 10 and 3 remians. a square number my first digit be. My second digit is the product of1 and 3. All together I am
1. 2 answers
2. asked by Kathy
3. 497 views
This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the
1. 1 answer
2. asked by Matthias
3. 495 views
Two sides of a triangle are x units and y units in length. The angle between them is theta. Prove that the area of the triangle
1. 1 answer
2. asked by Tyson
3. 491 views
A ball is thrown straight upwards at a speed of 32.3 m/s and from a height of 1.5 m above the ground. How fast is it traveling
1. 1 answer
2. asked by selvi
3. 488 views
two stones with initial speeds of 13 m/s and are thrown at an angle 30 degrees, one below the horizontal and one above the
1. 0 answers
2. asked by James
3. 486 views
I want to write a thesis statement on the topic "China is not going to be the next superpower" How am i supposed to write it?
1. 1 answer
2. asked by Sona
3. 485 views
you are taking a 10 question essay test.How many ways can you answer the test?
1. 1 answer
2. asked by Eddie
3. 485 views

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