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Questions Asked on February 14, 2008

At time t = 0s, a puck is sliding on a horizontal table with a velocity 3.00 m/s, 65.0 above the +x axis. As the puck slides, a
1. 2 answers
2. asked by Lauren
3. 4,176 views
A length of wire is bent into a closed loop and a magnet is plunged into it, inducing a voltage and,consequently, a current in
1. 1 answer
2. asked by tina
3. 3,153 views
The Wall of Death in an amusement park is comprised of a vertical cylinder that can spin around the vertical axis. Riders stand
1. 1 answer
2. asked by shelby
3. 2,858 views
PbO2(s) + Pb(s) + H2SO4(aq)  PbSO4(s) + H2O(l)Can anyone help me identify what the redox reactions are for this equation? I
1. 1 answer
2. asked by Alex
3. 2,655 views
1. three point charges, q1, q2, q3, lie along the x-axis at x = 0,3,5, respectively. Calculate the magnitude and direction of
1. 1 answer
2. asked by todi
3. 2,498 views
Why are the armature and field windings of an electric motor usually wound on an iron core?
1. 1 answer
2. asked by Peyton
3. 2,251 views
An ideal transformer has 50 turns in its primary coil and 250 turns in its secondary coil. 12 V is connected to the primary.a)fi
1. 4 answers
2. asked by sam
3. 2,250 views
Neon signs require about 12000V for their operation. The primary operates from 120-V lines.a)What is the ratio of the number of
1. 2 answers
2. asked by sam
3. 1,825 views
Does the voltage output increase when a generator is made to spin faster? Defend your answer.
1. 1 answer
2. asked by Peyton
3. 1,756 views
A backpacker carries 2.5 L of white gas as fuel for her stove. How many pounds does the fuel add to her load? Assume the density
1. 4 answers
2. asked by Kate
3. 1,657 views
Ok, so my math teacher didn't tell us ways to do this faster, and it's late enough as it is so I don't want to be up all night
1. 1 answer
2. asked by Who cares?
3. 1,382 views
The teacher plans to assign 8 students to 8 desks for a debate. How many different seating arrangements are possible?
1. 3 answers
2. asked by Brandon
3. 1,368 views
When an automobile moves over a wide, closed loop of wire embedded in a road surface, is the magnetic field of the Earth within
1. 1 answer
2. asked by Peyton
3. 1,367 views
How dose the current in the secondary of a transformer compare with the current in the primary when the secondary voltage is
1. 1 answer
2. asked by tina
3. 1,251 views
Using the kinetic theory, explain why the pressure of a gas increases when its temperature increases.
1. 1 answer
2. asked by Wally
3. 1,177 views
What is the vapor pressure at 23 degrees C of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor
1. 1 answer
2. asked by Ken
3. 1,156 views
Can an efficient transformer step up energy? Defend your answer.
1. 1 answer
2. asked by tina
3. 1,117 views
In this lab we did, we measured the angles of light that came through a piece of this special plastic. We had to find out the
1. 0 answers
2. asked by Emily
3. 1,098 views
What is the amount for drawings and ending capital for the following?Information related to the proprietorship of Laura Mills,
1. 0 answers
2. asked by Anonymous
3. 1,024 views
Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks and the table is 0.276.
1. 1 answer
2. asked by shelby
3. 1,003 views
Inferring:A student examines a thermometer placed in a can containing a substance that is being heated. The temperature remains
1. 1 answer
2. asked by Courtney
3. 996 views
Find the value of tan(1/2sin^-1 15/17)and sin[pi/2-cos(1/2)] Thanks.
1. 1 answer
2. asked by Andrea
3. 980 views
susy has 22 coins in her pocket totaling $1.80. what combination of coins could she have*riminder the numbers of coins has to
1. 2 answers
2. asked by ravin
3. 964 views
A deposit of $1,250 that was incorrectly in the checkbook as 1,200 should bea. added to the checkbook b. deducted from the
1. 4 answers
2. asked by Chels
3. 962 views
find at least three examples of mission statements for human services organizations. show how each one of the mission statements
1. 3 answers
2. asked by Martha
3. 870 views
19. He knew it before he ….(A) arrives. (B) arrived. (C) he would arrive. (D) he has arrived. i think B
1. 1 answer
2. asked by mk-tintin
3. 847 views
The theoritical yeild of a reaction that gives off nitrogen trifluoride gas is 844 mL at STP. What total volume of NF3 plus
1. 2 answers
2. asked by Katie
3. 843 views
What is the area of a circle that is 6m in square centimeters
1. 2 answers
2. asked by j
3. 842 views
a track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis. a toy train of mass m
1. 2 answers
2. asked by Sarah
3. 840 views
a company makes combination locks with 50 numbers printed on the dial. Each lock combination is an arrangement of 3 different
1. 1 answer
2. asked by Brandon
3. 826 views
a uniform rectangular marble slab is 3.4m long and 2.0 m wide with a mass of 180kg. it is lyning on flat ground how much work is
1. 1 answer
2. asked by billc
3. 821 views
28. Even today, young people .… studyLenin’s theories at the university. (A) had to (B) have had to (C) have to (D) had had
1. 1 answer
2. asked by mk-tintin
3. 812 views
A tank in the shape of an inverted right circular cone has height $ 10$ meters and radius $ 8$ meters. It is filled with $ 6$
1. 1 answer
2. asked by Jeff
3. 808 views
write an exponential function whose graph passes throught the given points... (0,3)and
1. 1 answer
2. asked by cal
3. 802 views
Explaining the isosceles theorem.Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect
1. 6 answers
2. asked by Rachel
3. 770 views
An air thermometer can be constructed by using a glass bubble attached to a piece of small-diamter glass tubing. The tubing
1. 1 answer
2. asked by Katie
3. 765 views
Is 36 square feet equivalent to four square yards? How do I figure it?
1. 2 answers
2. asked by Tyler
3. 758 views
The coldest and hottest temperatures ever recorded in the United States are -80°F (211 K) and 134°F (330 K), respectively.
1. 2 answers
2. asked by Melody
3. 753 views
Which expression is equivalent to tan theta-sec theta/sin theta?A)-cot theta B)cot theta C)tan theta-cot theta D)tan
1. 4 answers
2. asked by Jon
3. 714 views
When was the first parental responsibility law created and what caused the idea. Or where could I find that?
1. 1 answer
2. asked by Ashlee
3. 690 views
Vanna Red sells the vowels a, e, i, o, and u each for a differentprice but less than $250. Consonants are free. You must pay
1. 2 answers
2. asked by Jas
3. 665 views
which of the following entries will properly close the Revenue account?
1. 2 answers
2. asked by Dallas
3. 657 views
why does pH of the matrix increase when electrons flow along the electron transport chains of mitochondria?
1. 1 answer
2. asked by Jin
3. 656 views
Not all enzymes have an optimum temp of around 40 degrees celcius. Find out where reactions involving enzymes:would take place
1. 4 answers
2. asked by Jess
3. 656 views
Find the molar enthalpy of vaporization for a substance, given that 3.21 mol of the subtance absorbs 28.4 kJ of energy as heat
1. 1 answer
2. asked by Analise
3. 655 views
There are no typos and no work b/c I don't know how to do them. Thanks.1)Find cos theta if sin theta=3/5 and 90
1. 8 answers
2. asked by Jon
3. 655 views
There are no typos and no work b/c I don't know how to do them. Thanks.1)Find cos theta if sin theta=3/5 and 90
1. 6 answers
2. asked by Jon
3. 648 views
A radio acoustic sounding system (RASS) instrument uses 404-MHz radio waves (wavelength = 0.743 m).(a) What is the wavelength of
1. 0 answers
2. asked by Melody
3. 647 views
social health definition
1. 1 answer
2. asked by Anonymous
3. 643 views
Why is ice used during the sublimation process?
1. 4 answers
2. asked by Whitney
3. 636 views
Eleven people are competing in a sack race. There is a blue ribbon for first, a red ribbon for second, and white ribbon for
1. 0 answers
2. asked by Brandon
3. 623 views
I NEED HELP WITH MY CODE!!! it won't compile rightThe formula for finding the force of gravity between two objects is Force =
1. 0 answers
2. asked by sonnysn
3. 619 views
How would I find the Integral of3dx/(10x^2-20x+20) I've been stuck on this, and would like an answer ASAP.
1. 5 answers
2. asked by Sean
3. 617 views
First of all I would like to thank everyone for helping me. The reason that I post my questions like I do is b/c they are
1. 2 answers
2. asked by Jon
3. 607 views
If a piston moves downward in a cylinder,what happens to the volume and pressure of the gas in the cylinder? The temperature
1. 1 answer
2. asked by Austin
3. 604 views
In sunlight, which becomes warmer: reading glasses or dark sunglasses?i said reading glasses because the UV waves and infrared
1. 3 answers
2. asked by luu
3. 603 views
I asked a question earlier about a thermometer in a can containing a substance that is being heated.Temperature remains the same
1. 1 answer
2. asked by Courtney
3. 584 views
So what exactly is the defenition to Rate? Cumon is it that hard!
1. 2 answers
2. asked by Michelle
3. 578 views
We know that the source of a sound wave is a vibrating object. What is the source of an electromagnetic wave?
1. 1 answer
2. asked by tina
3. 577 views
If one serving of chips is 160 kcal/s, how many potatoe chips would you have to eat to equal 262kJ/mol? (272kJ/mol=energy
1. 8 answers
2. asked by Rhonda
3. 573 views
you would be more likely to see a rose stained glass window in what style of church?a. gothic b. romanesque c. byzantine
1. 1 answer
2. asked by alexis
3. 569 views
11. “wry” (line 12) means:(A) wicked (B) dry (C) ironic (D) indifferent i don't know
1. 1 answer
2. asked by mk-tintin
3. 567 views
26. …. is becoming liberalised.(A) Chinese national discourse (B) China’s national discourse (C) The national Chinese
1. 1 answer
2. asked by mk-tintin
3. 566 views
What is the tone of "Wuthering Heights" by Emily Bronte in the first chapter? What is the definition of wuthering?
1. 0 answers
2. asked by Christian
3. 560 views
what catastrophe makes your kitten happy?
1. 2 answers
2. asked by some
3. 545 views
Hey i need help on this problem.8-9t=21t-17 Can someone show me how to do it?
1. 7 answers
2. asked by Eva
3. 544 views
what is the approx. atomic weight for Boron? (to the nearest tenth)
1. 2 answers
2. asked by Anna-Marie
3. 544 views
A common pickup for an electric guitar consists of a coil of wire around a small permanent magnet. Why will this type of pickup
1. 0 answers
2. asked by Peyton
3. 537 views
The average emf induced in the secondary coil is 0.10 V when the current in the primary coil changes from 3.2 to 2.0 A in 0.10
1. 1 answer
2. asked by rick
3. 536 views
How can I explain the angle sum theorem? and whats a good example for it?
1. 5 answers
2. asked by Rachel
3. 525 views
If you place a metal ring in a region in which a magnetic field is rapidly alternating, the ring may become hot to your touch.
1. 1 answer
2. asked by Peyton
3. 512 views
25. He …. in Asia until he died.(A) will live (B) has lived (C) would live (D) lived i think D
1. 1 answer
2. asked by mk-tintin
3. 506 views
An object moves with acceleration given by a = -6t^3 m/s^2. Its initial velocity at t = 0 is 5 m/s. How far will it move before
1. 2 answers
2. asked by Chuck
3. 500 views
12. “has trebled” (line 15) means:(A) is 3 times less important (B) is one third as important (C) has become 30 times more
1. 1 answer
2. asked by mk-tintin
3. 497 views
How do you figure freezing points and boiling points?
1. 7 answers
2. asked by Ken
3. 497 views
Resources of managing solid waste.
1. 2 answers
2. asked by ERIC
3. 491 views
Should an officer withhold information in a press release if that information could later affect the prosecution of a suspect?
1. 1 answer
2. asked by Pearl
3. 481 views
what do these sentences mean? their shakespeare and i don't get them.. please help! "And too soon marred are those so early
1. 2 answers
2. asked by Anonymous
3. 467 views
30. In a speech he gave last week, DengXiaoping .… that Chinese economy should be commercially competitive. (A) has declared
1. 2 answers
2. asked by mk-tintin
3. 465 views
do skeletal muscle cells have a lysosome, centrioles, cilia ? I have read a lot of website but these are not mentioned!
1. 0 answers
2. asked by julie
3. 461 views
Any ideas where I can read online articles about marine species and the different types of habitats along coastal beaches?
1. 1 answer
2. asked by Diana
3. 455 views
What are the historical figures and events of Judaism?what are the ethics and morality of Judaism?
1. 1 answer
2. asked by Anonymous
3. 448 views
22. China is adopting ….(A) a driven-market economy. (B) a market-driven economy. (C) a driven-economic market. (D) an
1. 1 answer
2. asked by mk-tintin
3. 444 views
What does nature is not benign mean?
1. 1 answer
2. asked by J
3. 442 views
If I have a piece of wood that is 7 1/4 feet long and I cut off 4 feet 8 1/2 inches how much is remaining?I think it's 2 feet 5
1. 1 answer
2. asked by Tyler
3. 441 views
What is the least positive integer that has exactly thirteenfactors?
1. 1 answer
2. asked by Jas
3. 441 views
An object moves with acceleration given by a = -6t^3 m/s^2. Its initial velocity at t = 0 is 5 m/s. How far will it move before
1. 1 answer
2. asked by Chuck
3. 438 views
The island's travelling sales monkey is selling gold watches that washed up on the beach. The islanders use green stones, pink
1. 1 answer
2. asked by david
3. 432 views
31. China is .… considered as a communistcountry by a large number of people. (A) no longer (B) not longer (C) not more (D) no
1. 1 answer
2. asked by mk-tintin
3. 432 views
34. The Chinese love .… strangers.(A) of receiving (B) to receiving (C) receiving (D) receive i don't know
1. 1 answer
2. asked by mk-tintin
3. 429 views
Does anybody know a site that rates the education systems of countries? I know Britain's number one...
1. 1 answer
2. asked by Mischa
3. 414 views
I need helping finding a picture of nerve stimulation (neuron stimulates a muscle fiber through a series of steps)!
1. 1 answer
2. asked by bill
3. 411 views
How can you tell from the equation of an ellipse which is the major and minor axis?
1. 2 answers
2. asked by Jessica
3. 411 views
I need help to unscramble this wordMEFHSKAIT
1. 1 answer
2. asked by Ashleigh
3. 409 views
What is the origin of Judaism?
1. 1 answer
2. asked by Anonymous
3. 408 views
what happen when metal, cloth and wood get exposed to fire
1. 2 answers
2. asked by mercedes
3. 405 views
“outdoing” (line 4) means:(A) destroying (B) surpassing (C) defeating (D) throwing out i think B
1. 5 answers
2. asked by mk-tintin
3. 404 views
I tried to answer this but i don't know if i am even close. I included my work .Thanks.The island's travelling sales monkey is
1. 1 answer
2. asked by david
3. 403 views
Charateristic of nonverbal and verbal communication for audiences in tense situation (supervisor & instructors)
1. 1 answer
2. asked by Nikki
3. 399 views
Could you help me translate this sentence."I would not forget my camera to take lots of pictures."
1. 2 answers
2. asked by Carrie
3. 392 views

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