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Questions Asked on January 26, 2012

Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s.What is the net force acting on the body?
1. 1 answer
2. asked by Emily
3. 11,705 views
a considerable amount of heat is required for the decomposition of aluminum oxide.2Al2O3-> 4Al(s)+ 3O2(g) change in heat= 3352KJ
1. 3 answers
2. asked by Skye
3. 6,329 views
in the hydraulic machine shown, you observe that when the small piston is pulled down 10cm, yhe large piston is raised 1 cm. if
1. 1 answer
2. asked by john
3. 6,064 views
A girl tells her mother she is volunteering at an animal shelter because it makes her feel good, but the truth is that she has
1. 10 answers
2. asked by Lexi
3. 3,665 views
Find 9.62 x 1.005. Can you please show me step by step because I keep getting the wrong answer. Thanks.
1. 4 answers
2. asked by Adryan
3. 3,625 views
what is the final temperature when a 3.0 kg gold bar at 99 degrees Celsius is dropped into 0.22 kg of water at 25 degrees
1. 3 answers
2. asked by lenair
3. 3,126 views
An aqueous solution of calcium chloride boils at 101.3. How many kilograms of calcium chloride were dissolved in 1000 g of the
1. 2 answers
2. asked by Nita
3. 3,047 views
At 5 o'clock in the morning, the temperature at the top of the race course was -13o. By 10:00 A.M., it was +12o. How much had
1. 5 answers
2. asked by Andrew
3. 2,912 views
Please explain to me how to solve:A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The
1. 3 answers
2. asked by Jane
3. 2,902 views
Use the disk or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the
1. 1 answer
2. asked by Meltnd
3. 2,717 views
In the javelin throw at a track-and-field event, the javelin is launched at a speed of 35.0 m/s at an angle of 33.7 ° above the
1. 2 answers
2. asked by Erin
3. 2,610 views
What is the correct net equation for:LiOH(aq) + HClO(aq) → LiClO(aq) + H2O(l)?
1. 1 answer
2. asked by Shea
3. 2,561 views
a 2.0kg object is pulled horizontally by a force of 6.3N along the floor where the coefficient of kinetic friction is o.24. what
1. 1 answer
2. asked by liz
3. 2,458 views
A 1.00 kg block is attached to a spring with spring constant 14 N/m. While the block is sitting at rest, a student hits it with
1. 1 answer
2. asked by Taylor
3. 2,429 views
1. List 4 reasons biologists use scientific names instead of common names in their communications.Answer 1. Scientific names
1. 3 answers
2. asked by Laruen
3. 2,408 views
A bullet of mass 0.01 kg is moving horizontally with a speed of 100 m/s when it hits a block of mass 2 kg that is at rest on a
1. 1 answer
2. asked by dhaval
3. 2,391 views
If sin(θ) = 8/17 and θ terminates in QI, find cos(θ)
1. 1 answer
2. asked by josh
3. 2,340 views
a bee flies 12m north, 8m west, and then 4m south, what is the displacement
1. 4 answers
2. asked by Kaylynn
3. 2,012 views
What is the full balanced equation??Hg2(NO3)2(aq) + HBr(aq) → ?
1. 1 answer
2. asked by Shea
3. 1,990 views
A 100g wire is held under a tension of 250 N with one end at x = 0 and the other x = 10m. At time t = 0, pulse 1 is sent along
1. 1 answer
2. asked by vkm
3. 1,976 views
At a given time, the height of an object is directly proportional to the length of the shadow that is cast on the ground. A
1. 1 answer
2. asked by savannah
3. 1,974 views
How many solutions does the equation cosx + 1/2 = 1 have for 0<x<2picosx+1/2=1 cosx+1=2 cosx=2-1 cosx=1 therefore 1 solution? A)
1. 3 answers
2. asked by Jake
3. 1,912 views
Find y if the point (7, y) is on the terminal side of θ and cos(θ) = 7/25
1. 2 answers
2. asked by josh
3. 1,677 views
calculate the mass (in SI units) of a 150ib human being?m= Calculate the weight ( in English units) of a 200kg rhino m=
1. 1 answer
2. asked by bree
3. 1,644 views
A 52.0-kilogram skateboarder does a trick on a half-pipe. During the trick, he reaches a speed of 8.90 m/s. The radius of the
1. 4 answers
2. asked by Micah
3. 1,637 views
What was the original purpose of theConstitutional Convention?
1. 2 answers
2. asked by stephanie
3. 1,629 views
When average total cost is declining then:a) marginal cost must be less than average cost b) marginal cost must be greater than
1. 1 answer
2. asked by Nicci
3. 1,595 views
Evan spent the summer earning money so he could buy the classics car of his dreams. He purchased the car for $2,295 from Fast
1. 2 answers
2. asked by Anonymous
3. 1,588 views
Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s.What is the net force acting on the body?
1. 1 answer
2. asked by Emily
3. 1,571 views
1. Which sentence states an opinion held by American Romantic writers?a. Cities are centers of corruption and ugliness b.
1. 1 answer
2. asked by mysterychicken
3. 1,530 views
Fill in the missing information in the following table of four neutral atomsSymbol- 37Cl number of protons- 36 46 number of
1. 3 answers
2. asked by Tiffany
3. 1,507 views
Relative to the ground, a car has a velocity of 14.8 m/s, directed due north. Relative to this car, a truck has a velocity of
1. 2 answers
2. asked by Erin
3. 1,473 views
A shot-putter launches a 7.5 kg shot with a speed of 12 m/s at an angle of 37 degrees above horizontal. If, upon release, the
1. 1 answer
2. asked by Anonymous
3. 1,453 views
Solve 1/3(3x-6)^3+4<13
1. 1 answer
2. asked by Anonymous
3. 1,450 views
A line intersects the graph of y= x^2 twice. One point has an x- coordinate of -4, and the other point has an x-coordinate of 2.
1. 1 answer
2. asked by Anonymous
3. 1,411 views
For English II I'm supposed to write a persuasive essay on a speech such as the "I Have A Dream Speech" or similar. I don't
1. 4 answers
2. asked by Sarah
3. 1,402 views
Suppose a car is traveling at 17.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction
1. 1 answer
2. asked by Mi26
3. 1,399 views
a lacrosse player slings the ball at an angle of 30 degrees above the horizontal with a speed of 20m/s. How far away should a
1. 1 answer
2. asked by Anonymous
3. 1,371 views
The ratio of the side lengths of a triangle. Is 2:4:5 and the perimeter is 55 cm. What is the length of the shortest side?
1. 1 answer
2. asked by Erica
3. 1,364 views
At the same time that a flagpole casts a 4.5 m shadow , a meter stick casts a 1.5 m shadow. How tall is the flagpole ?
1. 3 answers
2. asked by Natalie
3. 1,358 views
ethical or un ethical Telling an associate and close friend that she shouls pay more attention to her work responsibilities, or
1. 1 answer
2. asked by livonbrushy
3. 1,326 views
If G is an increasing function. what can you say about G(3) - G(-1)?
1. 1 answer
2. asked by luckybee
3. 1,287 views
Mary was making sandwiches for the class picnic. 13 of the sandwiches had a slice of cheese. 14 had a slice of salami. 13 had a
1. 2 answers
2. asked by Heather P.
3. 1,273 views
Consider that the human brain weighs about 1 kg and contains 10^11 cells. Assuming that each cell is entirely filled with water,
1. 1 answer
2. asked by Becca
3. 1,269 views
A copper foil is made from copper, absolutely free of impurities. Which term or terms could be used to describe this sample of
1. 5 answers
2. asked by Brandon
3. 1,236 views
Ms. Ervine has a basket of grapes.If she gives 6 grapes to each of her students, she will have 2 grapes left. If she gives 7
1. 1 answer
2. asked by Theresa
3. 1,228 views
A metal rod of length 90cm has a disc of radius 24cm fixed rigidly at its centre,and the assembly is pivoted from its centre.Two
1. 0 answers
2. asked by Shanti
3. 1,224 views
Morgan company received from Lee Company an invoice dated September 27. Terms were 2/10 EOM. List price on the invoice was
1. 0 answers
2. asked by Terrry
3. 1,215 views
Can you give me a good topic for 30 minute discussion in German language? I just want to warn you that the class is pretty lazy,
1. 3 answers
2. asked by Mark
3. 1,204 views
Could someone please check the answers I have & also help me with a few? Thanks!1. Nosotros ______ al Departamento Chocó para
1. 4 answers
2. asked by Amy
3. 1,190 views
A spinner is divdided into 10 equal sectors and numbered 1 through 10. Find the probability as a fraction, a decimal and a
1. 4 answers
2. asked by Micheal
3. 1,180 views
Do you guys know of any videos that describe how to tell what bacterias on a slide are bacillus cereus, seratia marsescens, e
1. 1 answer
2. asked by rebekah
3. 1,165 views
In a historical movie, two knights on horseback start from rest 93 m apart and ride directly toward each other to do battle. Sir
1. 2 answers
2. asked by Mi26
3. 1,158 views
find two values of theta, zero degrees is than or equal to theta which is less than 360 degrees, that satisfy the given
1. 1 answer
2. asked by damion
3. 1,157 views
solar flares containing hot gases can rise to 120000 miles above the surface of the sun. What is the distance in kilometers? how
1. 2 answers
2. asked by julia
3. 1,148 views
Find Mx, My, and (x, y) for the laminas of uniform density ρ bounded by the graphs of the equations. (Use rho for ρ as
1. 1 answer
2. asked by sammyg
3. 1,138 views
"Two or three days and nights went by; I reckon I might say they swum by, they slide along so quiet and smooth and lovely. Here
1. 3 answers
2. asked by Jordan
3. 1,132 views
Determine the values of k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros , check these values in the original equation
1. 1 answer
2. asked by Annie
3. 1,128 views
Jenny is 5ft 2in. tall. To find the height of a light pole, she measured her shadow and the pole shadowWhat is the height of the
1. 3 answers
2. asked by kelly
3. 1,109 views
Which of the following organs would not be visible if you cut the body in a mid-sagittal section? Explain?a. Brain b. stomach c.
1. 1 answer
2. asked by Jerome
3. 1,098 views
name two congruent angles that measure a 15 degree angl
1. 2 answers
2. asked by Anonymous
3. 1,097 views
Find the remaining trigonometric ratios of θ if sin(θ) = -1/6 and θ is not in QIIIcos tan cot csc sec
1. 1 answer
2. asked by josh
3. 1,090 views
If = 38° and z = 68 cm, what is the value of x to the nearest tenth of a centimeter?
1. 5 answers
2. asked by Kate
3. 1,088 views
A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density ρ = 0.180 kg/m3). It is then
1. 0 answers
2. asked by teresa
3. 1,079 views
rank higest to lowest air drag?1)a 5lb lead block teraveling at 95% terminal speed. 2a 5lb styrofoam block at terminal speed?
1. 1 answer
2. asked by taylur
3. 1,078 views
A solution initially contains 0.350 mol/L of A and 0.750 mol/L of B. A reaction occurs according to the equation2 A(aq)+B(aq)<=>
1. 2 answers
2. asked by ami
3. 1,072 views
Please help me with the following problem, I have submitted the answer: 88.2 and was told that it was incorrect. The word
1. 1 answer
2. asked by Please Please Help
3. 1,071 views
How did the effort of Daniel Boone and the Louisiana Purchase encourage people to move westward?Daniel created a trail, which
1. 3 answers
2. asked by Andrew
3. 1,064 views
writeacher, I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical)
1. 0 answers
2. asked by Henry2
3. 1,064 views
If 34 grams of ammonia react, how many grams of water formed?
1. 1 answer
2. asked by Anonymous
3. 1,023 views
when wood burns, the ashes have different chemical properties from the wood.true or false?
1. 1 answer
2. asked by Gabby ( 5 grade)
3. 1,011 views
The number of library books in a school increased by 20% after it bought new books in may. The number increased by another 20%
1. 1 answer
2. asked by Jenny
3. 986 views
1. A sound has an intensity of 5.92 „e 1025W/m2.What is the loudness of the sound in decibels? Use .2. Suppose you decrease
1. 1 answer
2. asked by Nick
3. 981 views
In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C
1. 1 answer
2. asked by Megan
3. 953 views
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed
1. 1 answer
2. asked by Ashley
3. 948 views
mae has a oval racetrack. 2 curves, each is 1/2 of the circle and each on a radius of 21". 2 straight-aways connect the circle
1. 1 answer
2. asked by maddie
3. 921 views
Find Mx, My, and(x, y) for the laminas of uniform density Ï� bounded by the graphs of the equations. (Use rho for Ï� as
1. 0 answers
2. asked by Rox
3. 914 views
you deposit $2200 in an account that pays 3% annual interest. after 15 years, you withdraw the money.what is the balance if the
1. 1 answer
2. asked by sam
3. 912 views
9x^-4-35x^-2=0
1. 0 answers
2. asked by Rosa
3. 909 views
the pont du gard near Nimes,france, is a roman aqueduct.an observer in a hot air balloon some distance away from the aqueduct
1. 1 answer
2. asked by Anonymous
3. 900 views
2012 with a power of 2012
1. 1 answer
2. asked by charlie
3. 897 views
In Richard Brautigan's poem "All Watched Over by Machines of Loving Grace", what kind of figures of speech does he use? I know
1. 1 answer
2. asked by Anonymous
3. 891 views
Solve each equation by graphing. Where necessary, round to the nearest hundredth-x^3+2x^2+1=0
1. 1 answer
2. asked by Christina
3. 870 views
A 15 kg mass, moving east at 5 m/s, collides elastically with another 10 kg mass, moving west at 1 m/s. After the collision, the
1. 3 answers
2. asked by Cicilia
3. 866 views
What is the alternative hypothesis for a null hypothesis stating that the average time a person keeps a cell phone is at most
1. 2 answers
2. asked by Anonymous
3. 862 views
INTRODUCTION TO RATIONAL EXPRESSIONSDistance and Time A car is traveling at 60 miles per hour. (a) How long does it take the car
1. 1 answer
2. asked by felica
3. 859 views
the object is traveling in a circle,which one of the statements are true. choose all that apply?1)the object has a net force
1. 0 answers
2. asked by taylur
3. 855 views
A river is one mile wide and the water flows at the rate 3 miles/hour. If you can paddle a canoe 5 miles/hour in still water,
1. 1 answer
2. asked by christine
3. 844 views
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed
1. 0 answers
2. asked by Sarah
3. 843 views
Question DetailsConsider the following 2007 data for Newark General Hospital (in millions of dollars): Static Flexible Actual
1. 1 answer
2. asked by molamidi
3. 836 views
Choose a real or made up example of a company, and describe at least three fixed costs the company has.
1. 1 answer
2. asked by Robby
3. 817 views
The specific heat of mercury is .03cal/g*C, and it's boiling point is 357*C. The specific heat of water is 1 cal/g*C. It takes
1. 2 answers
2. asked by Angel
3. 802 views
need help with pythagorean theoren
1. 1 answer
2. asked by kim
3. 800 views
Rebecca gives gifts to 12 employees. Each gift is in a box that is 12 inches by 10 inches by 3 inches. How much wrapping paper
1. 1 answer
2. asked by Bob
3. 797 views
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and
1. 0 answers
2. asked by confused
3. 774 views
what does it mean when someone says "no me calles"
1. 1 answer
2. asked by Jared
3. 765 views
A cubic box of volume 4.2 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20°C. The box is closed and
1. 1 answer
2. asked by Anonymous
3. 758 views
Margaret walks to the store using the following path: 0.435 miles west, 0.280 miles north, 0.300 miles east. What is her total
1. 1 answer
2. asked by Anonymous
3. 755 views
Thank you for the gravity answer 78.4m
1. 1 answer
2. asked by TO : Damon
3. 747 views
If F is a decreasing function what can you say about F(-2) compared to F(2)?
1. 2 answers
2. asked by luckybee
3. 731 views

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