Thursday

February 11, 2016
Total # Posts: 58

**Physics**

A 0.0475 kg ice cube at −30.0°C is placed in 0.577 kg of 35.0°C water in a very well insulated container. The latent heat of fusion of water is 334 kJ/kg, the specific heat of ice is 2092 J/(kg · K), and the specific heat of water is 4184 J/(kg · K...
*January 25, 2016*

**Science**

A 1,800 kg car is parked on a road that has an elevation angle of 7°. Suppose the coefficient of static friction of the kinds of rubber and asphalt involved is 0.65. Which is approximately the force of static friction between the tires and the road? Question options: 2,200...
*December 9, 2015*

**chemistry**

1.2x10 to the 9th power gallons of water per day converted to gallons per second
*September 15, 2015*

**grade (5) math**

Pls still I don't understand how u got 25 could u pls tell me than tell me what is the area of the rectangle dog pen? Pls help me
*May 18, 2015*

**grade 5 math**

Thank u very much john
*May 13, 2015*

**grade 5 math **

a great white loses teeth and grows new teeth if a shark lost 240 of its 3,000 teeth in one year what percent of teeth did it lose? Pls help !,!
*May 13, 2015*

**formulas**

i want to lay carpet in a rectangular room30x20 how much carpet will i need
*February 28, 2015*

**Algebra help**

7-8 tons no its to hevy
*November 19, 2014*

**chemistry**

Identify the functional groups in menthol
*October 4, 2014*

**math**

If 9 apples plus 4 pears cost $2.6 and if 4 pears pluse 9 apples cost $1.90 what does each apple and pear cost
*April 30, 2014*

**Probability**

The probability that a given rank of card is chosen from the remainder of the deck (matching suit not specified) 4/(52-nth card)) multiplied by each previous card in the set. 1.6971 x 10^-14 1/13 * 4(48 12)/(52 13)
*February 21, 2014*

**Probability**

A player is randomly dealt a sequence of 13 cards from a standard 52-card deck. All sequences of 13 cards are equally likely. In an equivalent model, the cards are chosen and dealt one at a time. When choosing a card, the dealer is equally likely to pick any of the cards that ...
*February 21, 2014*

**Spelling**

Answers for spelling words whether if it's V/CV or VC/V?
*January 23, 2014*

**Quantum Physics**

Somebody please!
*March 18, 2013*

**Physics**

How do I use Kirchhoff's First Law -- the law of conservation of energy and the law of conservation of charge to prove the equivalent resistance formula. Rt = R1 + R2 + R3 ......
*May 27, 2012*

**Physics ( electrical )**

If I have two objects charged, one on a insulated thread and one stationary, and I have one distances and an acceleration and I double the distance, I want to find out the acceleration, what formula do I use? ( the distance is halved and I need to find out the magnitude of the...
*May 27, 2012*

**Physics (electricity)**

Which formula do you use for this problem ? two charged spheres, one suspended from a insulated thread and another held in place and unable to move. when one sphere S1 is brought to a distance of 2.00 x 10^-2m from S2, the acceleration of S1 is 3.00 x 10^10 m/s^2. If S1 is ...
*May 27, 2012*

**Physics ( electricity)**

An electrom (qe = -1.6^-19 Coulomb) moves a distance of 0.170m in an 8.00 N/C electric field. Using appropriate formulas and a logical method, find the energy gained by the electrom. Whoa ... how do I do this???
*May 27, 2012*

**history**

Yes. I was just afraid that the statement might seem too broad. Thank you!
*March 17, 2012*

**history**

Hello! I need help regarding this statement of modernization and the industrial revolution: Technology is a product of liberalism and capitalism. Is this statement okay? I'm trying to connect technology with the ideologies of the west.
*March 17, 2012*

**history**

Hello! I need help regarding this statement of modernization and the industrial revolution: Technology is a product of liberalism and capitalism. Is this statement okay? I'm trying to connect technology with the ideologies of the west.
*March 17, 2012*

**refining**

If I have a solution of gold chloride, is there a was I can grow metalic gold crystals to recover the gold instead of using sulfer dioxide to drop the gold as poeder?
*February 12, 2012*

**biology**

which leukocyte is predominant in the blood smear? explain by comparing it with other leukocytes ad red blood cells in the blood smear
*February 7, 2012*

**statistics**

If I need to validate 900 results, what percentage must I check to have 95% confidence the results are correct?
*January 30, 2012*

**hydraulics**

a 6 inch pipe full of water extending vertically for 100' what is the pressure at the bottom
*January 11, 2012*

**V/CV OR VC/V PATTERN**

Answer for: equal ? V/VC or VC/C
*November 29, 2011*

**Physics**

The radius of the earth is 6.4 * 10^6 m. What is the acceleration of a meteor when it is 8.4*10^6M FROM THE CENTER OF THE EARTH?
*March 24, 2011*

**algebra**

5x^2(15x^2+7x-2) 5x^2(3x+2)(5x-1)
*February 11, 2011*

**Math**

I get the -6 is > or = to , what is the rest of the problem?
*February 11, 2011*

**algebra**

3x(18x^2-10x-5)
*February 11, 2011*

**calculus**

f(x)=3-5x , (-1,8) find the slope of the tangent line to the graph of the function at the given point how do you figure this out?
*February 11, 2011*

**calculus **

how did you figure that out
*February 11, 2011*

**calculus**

how did you figure that out?
*February 11, 2011*

**calculus**

f(x)=3-5x , (-1,8) find the slope of the tangent line to the graph of the function at the given point
*February 11, 2011*

**Spanish**

28. c 29. b 31. c 32. b 33. a
*February 11, 2011*

**math**

what level math is this for?
*February 11, 2011*

**physics**

A runner X ran the mile race in 4.25 sec. Another runner Y requires 4.55 sec to run the distance. If they start out together and maintain their normal speeds, how far apart will they be at the finish of the race?
*January 31, 2011*

**Physics**

The moon is 384,000 km from the earth and makes 1 revolution in 27.3 days. Find its angular and linear speeds in its orbit.
*January 31, 2011*

**Physics**

A runner X ran the mile race in 4.25 sec. Another runner Y requires 4.55 sec to run the distance. If they start out together and maintain their normal speeds, how far apart will they be at the finish of the race?
*January 31, 2011*

**Physics**

A stone falls from a railroad overpass which is 36 ft high into the path of a train which is approaching the overpass with a uniform speed. If the stone falls when the train is 50 ft away from the overpass and the stone hits the ground just as the train arrives at that spot, ...
*January 31, 2011*

**Physics**

An automobile has a speed of 60kph. When the brakes are applied, it slows to 15 kph in 4 sec. What is its acceleration? How far does it travel the 4 sec.?
*January 31, 2011*

**Physics**

How high will a body rise that is projected vertically upward with a speed of 100ft/s? How long will it take for the body to reach its maximum height?
*January 31, 2011*

**Physics**

The force of repulsion of 2 electrons is 3*10-15Newtons. How far apart are the 2 electrons?
*January 31, 2011*

**Physics**

A wheel has its speed increased from 120 to 240 rev/min in 20 sec. a.) What is the angular acceleration? b.) How many revolutions of the wheel are required?
*January 31, 2011*

**Physics**

A 200lb man stand in a elevator. What forcer does the floor exert on him when the elevator is a.) Stationary b.)Accelerating up 16ft/s2 c.) Moving downward at constant speed. d.) Moving upward at 12 ft/s2.
*January 31, 2011*

**Physics**

Calculate the accelerating force needed to change the speed of a 10kg object from 6m/s to 15m/s in a distance of 15m.
*January 31, 2011*

**math**

What is the prime factorization using exponents of 63
*October 13, 2010*

**algebra**

Find n so that the square and triangle have the same perimeter. The square is 8n+6, the triangle is 13n+2 on two of the sides and 30n-28 on the other side. This is the question that I have for homework,I don't understand it. Thanks
*September 29, 2010*

**algebra**

Find n so that the square and triangle have the same perimeter. The square is 8n+6, the triangle is 13n+2 on two of the sides and 30n-28 on the other side. This is the question that I have for homework,I don't understand it. Thanks
*September 29, 2010*

**algebra**

find n so that squares and triangle has the same perimeter square is 8n+6 triangle is 13n+2 on two sides and 30n-28 on the other
*September 29, 2010*

**chemistry**

Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.
*July 25, 2010*

**chemistry**

State three examples each of acids, bases, and salts commonly used in therapeutic processes
*July 18, 2010*

**algebra**

A TRAFFIC LIGHT IS RED FOR 38 SECONDS YELLOW FOR 10 SECONDS AND GREEN FOR ONE MINUTE AND TWELVE SEONDS. IN A CONSTANTLY REPEATING CYCLE, WHAT IS THE PROBABILITY THAT AT THE MOMENT A PASSING PEDESTRIAN GLANCES AT IT, THE LIGHT WILL BE GREEN
*June 2, 2010*

**XACC 280 (accounting)**

Any luck finding a completed appendix e???
*February 28, 2010*

**accounting HELP**

it ask prepare the adjusting entries so what format is this in
*April 23, 2009*

**math**

1/4, 3/10, 2/5, 1/2
*March 26, 2009*

**it**

i need an sample of a project management contengency plan
*October 26, 2008*

**Trader jack flea market**

Good afternoon. The reward of a thing well done is to have done it. I am from Burundi and also now am reading in English, give true I wrote the following sentence: "Many of the topical flea treatments they make today, such as advantage, the flea life cycle consists of ...
*December 13, 2007*

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