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Questions Asked on February 14, 2013

Two horizontal forces, F1-> and F2-> , are acting on a box, but only F1->is shown in the drawing. F2-> can point either to the
1. 1 answer
2. asked by Randy
3. 9,835 views
two point charges are placed on the x axis as follows:charge q1 = +4.00 nc is located at x = 0.200 m, and charge q2 = +5.00 nc
1. 2 answers
2. asked by yanis
3. 8,859 views
A mother wants to divide $680.00 among her children according to the ratio 2:4:6. The shares would be?
1. 3 answers
2. asked by wayne
3. 8,824 views
A 0.03-kg bullet is fired vertically at 200m/s into a 0.15-kg baseball that is initially at rest. The bullet lodges in the
1. 1 answer
2. asked by Annie
3. 5,177 views
Can someone please help, I'm supose to write explaining what advice one would give George and Lydia Hadley on how to be become
1. 14 answers
2. asked by matt
3. 4,878 views
I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any helpRate=
1. 2 answers
2. asked by Amy
3. 4,632 views
A sample of gaseous PCl5 was introduced into an evacuated flask so that the pressure of pure PCl5 would be 0.54 atm at 425 K.
1. 1 answer
2. asked by Margaret
3. 4,226 views
How many cubic meters of cement are required to cover a walkway 7 m long, 0.95 wide, and 10 cm deep?
1. 5 answers
2. asked by wayne
3. 3,351 views
If a small planet were located 7 times as far as the Earth's distance from the Sun, it period is ___ earth years?
1. 1 answer
2. asked by Eve
3. 3,092 views
Joanne drives her car with a mass of 1000 {\rm kg} at a speed of 23m/s .Find a road friction force that is need to bring her car
1. 1 answer
2. asked by Ericca
3. 2,990 views
Your car gets 25 mi/gal around town and 30 mi/gal on the highway.a. If 50% of the miles you drive are on the highway and 50% are
1. 7 answers
2. asked by Mia
3. 2,960 views
4. A rectangular prism measuring 7 ft by 8 ft by 4 ft.a. 224 ft^3 b. 112 ft^3 c. 232 ft^3 d. 116 ft^3
1. 14 answers
2. asked by The Dark Knight
3. 2,889 views
find the heat energy needed to change 150g of ice at -15c to ice at -63c
1. 2 answers
2. asked by Lezlie
3. 2,769 views
A Ferris wheel is 40 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position
1. 1 answer
2. asked by Christine
3. 2,766 views
If one hundredth is divided into ten equal parts, each part represents one what? 1- decimal, 2- decimal point, 3- fraction, or
1. 4 answers
2. asked by Sky
3. 2,694 views
1. Market demand is given as QD = 250 – 0.5P. Market supply is given as QS = 2P. In a perfectly competitive equilibrium, what
1. 1 answer
2. asked by sarah
3. 2,637 views
A horse race has 14 entries. Assuming that there are no ties, what is the probability that 5 horses owned by 1 person finish
1. 1 answer
2. asked by Anonymous
3. 2,565 views
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be
1. 2 answers
2. asked by Randy
3. 2,489 views
write a trinomial of degree 4 such that the GCF of its terms is 1
1. 4 answers
2. asked by Taylor
3. 2,458 views
Cara is five feet tall and casts a shadow of eight feet long. At the same time, a building casts a shadow 32 feet long. What is
1. 2 answers
2. asked by Anonymous
3. 2,329 views
3. Read the following monologue from Scene 4 of The Diary of Anne Frank.ANNE: I’m trying. Really I am. Every night I think
1. 10 answers
2. asked by The Dark Knight
3. 2,302 views
charge q1=+4.00nc is located at x=0.200m, and q2 =+5.00nc is at x=-0.300 m. what are the magnitude and directionof the net force
1. 1 answer
2. asked by yanis
3. 2,229 views
a formula for calculating simple interest is I = Pr, were I is the interest earned in dollars, P is the principal or original
1. 1 answer
2. asked by sherry
3. 2,212 views
Assume a $1,000 face value bond has a coupon rate of 8.5 percent, pays interest semi-annually, and has an eight-year life. If
1. 1 answer
2. asked by susan
3. 2,080 views
Serena paid $20.20 for 36 rulers and folders. She bought 16 more folders than rulers. If each folder cost $0.50 more than each
1. 3 answers
2. asked by Justin
3. 1,982 views
9.Name the triangles that are classified by angles. (1 point) right, scalene, isosceles scalene, isosceles, equilateral acute,
1. 4 answers
2. asked by Delilah
3. 1,966 views
Sam needs to cut a piece of sheet metal into 8 pieces. All the cuts are made in the same direction. It takes him 5 minutes to
1. 7 answers
2. asked by Julie
3. 1,943 views
the distance between town A and town B was 210km. At 9:20pm a bus sets off from town A to town B and a car left from town B to
1. 1 answer
2. asked by Leslie
3. 1,937 views
1. Suppose that an increase in the price of carrots from $1.20 to $1.40 per pound raises the amount of carrots that carrot
1. 1 answer
2. asked by sarah
3. 1,817 views
The area of a circle 200mm in diameter is approximately how many times greater than the area of a circle 40mm in diameter?
1. 2 answers
2. asked by wayne
3. 1,797 views
h2s + HNO3 -->s+ no+H2O balance by oxidation number change
1. 3 answers
2. asked by bb
3. 1,776 views
An elevator (cabin mass 600 kg) is designed for a maximum load of 2800 kg, and to reach a velocity of 3.6 m/s in 5 s. For this
1. 2 answers
2. asked by L'dya
3. 1,754 views
Prove that if ab �= ac (mod n) and a is relatively prime to n, then b = c (mod n).Proof: a and n are relatively prime and from
1. 2 answers
2. asked by Michael
3. 1,751 views
14.Find the value of the missing angle. (It is a hexagon. In the picture, going counter-clockwise, the angles are: 152, 85, 125,
1. 10 answers
2. asked by Delilah
3. 1,737 views
Tim said to find 6x33,i can add 18 + 18. Do you agree with him?why or why not?
1. 10 answers
2. asked by Lize
3. 1,718 views
find the perimeter of the actual object using the scale factor shown on the blueprint. each side is 3 centimeters long.1cm=5m
1. 3 answers
2. asked by Taylor
3. 1,567 views
Each of the four circuits in the drawing consists of a single resistor whose resistance is either R or 2R, and a single battery
1. 1 answer
2. asked by Anonymous
3. 1,522 views
1.)The product of 14 and n is -28. Write the algebraic equation.2.)Four times a certain number is the same as the number
1. 3 answers
2. asked by tyneisha
3. 1,502 views
A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with
1. 1 answer
2. asked by Eve
3. 1,473 views
The distance between second and third bases on a regulation baseball field is 30 yards. What is the length in inches?
1. 4 answers
2. asked by Anonymous
3. 1,415 views
At a particular temperature, 13.7 mol of SO3 is placed into a 3.9-L rigid container, and the SO3 dissociates by the reaction
1. 2 answers
2. asked by Margaret
3. 1,392 views
I making a booklet of elements and principles of design and it have to illustrate all the elements and principles, and i have to
1. 3 answers
2. asked by Mohammad
3. 1,360 views
cotx+tan2x=cotxsec2xprove
1. 1 answer
2. asked by jhon
3. 1,360 views
solve the system by the elimination method: 4x=5y+245x=4y+21
1. 1 answer
2. asked by Taylor
3. 1,345 views
The concentration of a certain ionic compound in aqueous solution is 0.186mol/L . It is only solute in the solution. The
1. 1 answer
2. asked by Deepa
3. 1,324 views
I need an acrostic poem of the word Biotic Factors
1. 1 answer
2. asked by Alex Russo
3. 1,307 views
A shipment of tv sets, some weighing 30kg each and the others weighing 50kg each, has a total weight of 880kg. If there are 20
1. 2 answers
2. asked by NEED HELP
3. 1,274 views
Two point charges of the same magnitude but opposite signs are fixed to either end of the base of an isosceles triangle. The
1. 0 answers
2. asked by shaun
3. 1,273 views
Suppose a population is sampled and the sample mean is 16.8. The sample standard deviation is 6.0 I am to assume the sample is
1. 0 answers
2. asked by Mandi
3. 1,255 views
The rise of digital music and the improvement to the DVD format are part of the reasons why the average selling price of
1. 2 answers
2. asked by Please help!!!
3. 1,251 views
A uniform bar 1m long is pivoted at the centre has a mass of 3kg. It is acted upon by a conquer which cause to possess an
1. 1 answer
2. asked by Precious
3. 1,244 views
A particle moving in a straight line with constant acceleration passing over a distance x,y,z in equal consecutive intervals of
1. 0 answers
2. asked by motion
3. 1,241 views
Tennis has 2 players,basketball 5 Fabio says that there are 3 times as many peoplein a basketball team as on a tennis team. Is
1. 2 answers
2. asked by Jay
3. 1,233 views
"A jogger runs with a velocity of 6.0 km/h [25° N of W] for 35 min and then changes direction, jogging for 20 min at 4.5 km/h
1. 1 answer
2. asked by Pravda
3. 1,233 views
An electrically neutral model airplane is flying in a horizontal circle on a 2.0-m guideline, which is nearly parallel to the
1. 0 answers
2. asked by shaun
3. 1,193 views
In a World Series, two teams play each other in at least four and at most seven games. The first team to win four games is the
1. 1 answer
2. asked by Urgent!!
3. 1,173 views
find the heat energy needed to change 200 g of water at 4c to water at 88c
1. 1 answer
2. asked by Lezlie
3. 1,172 views
Log x=log25+log4
1. 1 answer
2. asked by Mr
3. 1,159 views
find the equation of circleif the line 2x - y +1 = 0 touches the circle at the point (2,5) and the center of the circle lies on
1. 1 answer
2. asked by Anonymous
3. 1,156 views
balance the equation by ion electron method.Fe^++ + MnO4- = Fe3+ +Mn2+ (acidic medium) please help me..!!
1. 0 answers
2. asked by Aboli
3. 1,150 views
I just need the formula.A 2.5 kg object is whirled in a vertical circle whose radius is 0.89 m. If the time of one revolution is
1. 0 answers
2. asked by Eve
3. 1,115 views
Divide{6x^3y^6} / {24x^4y^3} _______ _________ {16a^4b^2} {14a^7b}
1. 1 answer
2. asked by LaShawn
3. 1,109 views
Alice and Finn roll two number cubes. Which of the following rules will make the game fair?Alice wins if a total of 5 is rolled.
1. 1 answer
2. asked by Jonathon
3. 1,097 views
The Egyptian and Nubian Empires EssayWrite a one paragraph essay on how developments in technology influenced the rise and
1. 2 answers
2. asked by Unknown
3. 1,080 views
the sum of two numbers is 90. their difference is 18. Find the numbers.
1. 1 answer
2. asked by ki
3. 1,077 views
Find the moment L about a perpendicular axis through the rod at a distance L/3 from the centre of mass.
1. 0 answers
2. asked by Precious
3. 1,072 views
15.Find the area of a triangle with a base of 9.3 ft. and the height is 3.5 ft. 32.55 ft² 24.81 ft² 16.275 ft² 11.0 ft² 16.
1. 4 answers
2. asked by Delilah
3. 1,071 views
A 230 g sample of a compound contains 136.6 g of carbon, 26.4 g of hydrogen, and 31.8 g of nitrogen. The rest is oxygen. What is
1. 2 answers
2. asked by Anonymous
3. 1,064 views
What is a cool way to write the number 1848.It's for a school project!
1. 1 answer
2. asked by ki
3. 1,060 views
At what temperature will the root-mean-square speed of oxygen molecules have the value of 640 m/s? 1 kilom has a mass of 32kg.
1. 1 answer
2. asked by ugonnia
3. 1,039 views
Anyone Know?Background Information: before Brown v. Board of Education Discussion on Brown v. Board case beginnings. Thesis on
1. 1 answer
2. asked by Mary
3. 1,026 views
is this sentence correct?There are quite a few reasons for me taking a break during this period.
1. 2 answers
2. asked by anonymous
3. 1,023 views
at birth,baby jordaan weighed 3kg and his lengh was measured to 0.40m.after a few months,baby's mass doubled.determine the nwe
1. 0 answers
2. asked by Anonymous
3. 1,022 views
1.Where are (the aronsons) going for vacationis the underlined a subject direct indirect object or predicate nominative
1. 1 answer
2. asked by jj
3. 1,022 views
A 50.0-kg box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. You observe that
1. 0 answers
2. asked by joe
3. 1,018 views
Human Origins EssayWrite a opinion paper on the most significant consequences of the Agricultural Revolution. The weather
1. 3 answers
2. asked by Unknown
3. 1,012 views
1. Explain the expression "Sabbath lull" in paragraph one of the story.2. Why does Oakhurst feel "they" might be after him? Who
1. 2 answers
2. asked by bs
3. 1,009 views
A crucible containing potassium chlorate has a mass is 24.426 g. The crucible is heated according to the lab procedure for this
1. 1 answer
2. asked by memo
3. 1,001 views
Amy has 80 photos for her scrapbook. If she can fit 4 photos on each page of the 15 pages she has, how many more pages does she
1. 4 answers
2. asked by Anonymous
3. 974 views
Suppose GDP is $800 billion, taxes are $150 billion, private saving is $50 billion and public saving is $20 billion. Assuming
1. 0 answers
2. asked by Jess
3. 969 views
ellen brought her (uncle) a picture of the mountainsis the parenthesis the subject the direct object indirect object or
1. 4 answers
2. asked by jj
3. 965 views
confucianism lost influence because__________ the sui and early tang dynasties. people wanted a more _________ escape that
1. 2 answers
2. asked by Anonymous
3. 961 views
A moving particle encounters an external electric field that decreases its kinetic energy from 10360 eV to 7680 eV as the
1. 0 answers
2. asked by Anonymous
3. 959 views
a lighthouse is located at point A. a ship travels from point B to point C. At point B,, the distance between the ship and the
1. 1 answer
2. asked by Danielle
3. 953 views
write a trinomial of degree 4 such that GCFof its terms is 1
1. 0 answers
2. asked by Taylor
3. 928 views
how do i solve -9(w-3)=8w-7?
1. 1 answer
2. asked by Maria
3. 916 views
What is the significance of the different length: volume ratios of the digestive organs?
1. 0 answers
2. asked by Kelz
3. 899 views
what is plot structure and how do you do plot structure???
1. 3 answers
2. asked by Dingbat
3. 891 views
A rectanglar school yard is 280 meters by 245 meters is to be fenced. How many meters of fencing will be required to fence it
1. 5 answers
2. asked by wayne
3. 879 views
Claim: The majority of adults like pizza.A sample of 400 randomly selected adults shows that 220 of them like pizza. Based on
1. 1 answer
2. asked by terrie
3. 867 views
Is concept mapping a type of word processing software?
1. 1 answer
2. asked by Lor
3. 864 views
Verify the identities.1.) SIN[(π/2)-X]/COS[(π/2)-X]=COT X 2.) SEC(-X)/CSC(-X)= -TAN X 3.) (1 + SIN Y)[1 + SIN(-Y)]= COS²Y 4.)
1. 3 answers
2. asked by AwesomeGuy
3. 857 views
A saturated solution of NaCl (dissolved in water) has a concentration of 4.01 M at a given temperature. The solution has a
1. 1 answer
2. asked by Avi
3. 854 views
Now note that the following becomes good approximations as θ→0:sinθ≈θ sin2(π4−θ)≈12−c⋅θ (where c is some
1. 0 answers
2. asked by unknown
3. 833 views
balance each of the following chemical equations ,using the change in oxidation number method. cu +h2so4=cuso4+so2+h2o
1. 2 answers
2. asked by bb
3. 825 views
What is the terminal speed for an 77.0kg skier going down a 44.0 degrees snow-covered slope on wooden skis uk= 0.060?Assume that
1. 0 answers
2. asked by Tony
3. 817 views
How do I solve this equation? Please explain and do step by step.6m squared -5m-14=0
1. 3 answers
2. asked by Ann
3. 802 views
why do some fact families have only two facts? give an example.
1. 0 answers
2. asked by Anonymous
3. 801 views
the volume of a small balloon is 2 liters and a larger balloon is 5 liters. the small balloon is increased at a rate of 0.3 per
1. 1 answer
2. asked by kitty
3. 788 views
Two spherical objects are separated by a distance of 1.41 × 10^-3 m. The objects are initially electrically neutral and are
1. 1 answer
2. asked by shaun
3. 778 views

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