Friday

February 24, 2017
Total # Posts: 1,864

**social**

That is true...

*April 27, 2013*

**physics**

What is the angular momentum (in kilogram-meter^2/second) of a 500.0 g ball rotating on the end of a string in a circle of radius 1.45 m at an angular speed of 1.50 rad/s?

*April 26, 2013*

**physics**

i have tried v^2=Vo^2+ 2(9.8)(2.7) and i was incorrect.

*April 26, 2013*

**physics**

A 2.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just before it hits the ground? (Assume the lower end of the pole does not slip.)

*April 26, 2013*

**ladysmith secondary**

Discuss 5 ways How does human or environmental problems impact on the community

*April 21, 2013*

**physics**

A solid block of mass m2 = 8.3 kg, at rest on a horizontal frictionless surface, is connected to a relaxed spring. The other end of the spring is fixed, and the spring constant is k = 210 N/m. Another solid block of mass m1 = 12.4 kg and speed v1 = 4.9 m/s collides with the 8....

*April 14, 2013*

**LIfe Orientation**

what recommendations can I address on the air pollution

*April 12, 2013*

**ELA..**

If you do not know a word in reading a passage, what can you use to understand its meaning?

*April 11, 2013*

**multiplied**

the answer is b. .42

*April 10, 2013*

**chemistry**

this is a really long question. i don't understand how to answer it. help please. A 10.0% aquueous solution of sulfuric acid has a density of 1.0661 g/mL at 20 degrees celsius. A. how many grams of H2SO4 are found in 50.0 g of this solution? B. how many grams of water are ...

*April 7, 2013*

**Accounting**

1. Complete Problem 14.1 on page 279 of the course text (solution is on page 501-502). Next, work the problem again using the following variables: project yield annual net cash inflows are $10,500 for the next five years; interest rate of 16.5%, and the initial investment of $...

*April 4, 2013*

**Algebra 1**

is 3(2y^2-5)(y+1) completely factored

*April 3, 2013*

**chemistry**

Write the complete structures (don’t forget the lone-pairs) for the following compounds: C2H5OH; HOCH2CH2NH2; HOCH2CH2NH2; CH3NH2; CH2Cl2

*April 2, 2013*

**pre calculus**

evaluate: (1/121)x

*April 2, 2013*

**Algebra**

Five times the reciprocal of a number equals the sum of 3/2 the reciprocal of the number and 7/6. What is the number

*March 27, 2013*

**Chemisry**

because Bromine is one of the 7 Diatomic molecules.....so it is understood as Br2

*March 24, 2013*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...

*March 24, 2013*

**physics**

What is "s"? and what mass is the unlabeled m referring to in the first acceleration equation?

*March 24, 2013*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...

*March 24, 2013*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...

*March 24, 2013*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...

*March 24, 2013*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...

*March 24, 2013*

**physics**

The system shown in the figure below consists of a m1 = 5.52-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m2 = 2.76-kg block.The pulley is a uniform ...

*March 24, 2013*

**English**

Click on the box to choose the function of the italicized infinitive phrase. May I have permission to use the car tonight? I think its adjective.

*March 20, 2013*

**chapter 14, lesson 5**

max cut a pole into 4 equal pieces. then he cut 2 inches off one piece of the pole. then piece left was 4 inches long. how long was the pole to before Max started cutting?

*March 19, 2013*

**physics**

that's what i thought but i put 9.8 and -9.8 in and the answer was wrong. so somehow it's different

*March 14, 2013*

**physics**

Calculate the effective value of g, the acceleration of gravity (in meters/second^2), at 5100 km above the earth's surface.

*March 14, 2013*

**physics**

Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of exerting a force of 1720 N on the rope, what is the maximum speed (in meters/second) he can tolerate at the lowest point of his swing? His mass is 81.0 kg, and the vine is 12.0 ...

*March 14, 2013*

**Algebra**

Help Please!! Write the orderd pair describing the coordinates of each intercept : x-intercept: 17 : y-intercept: 3/4

*March 14, 2013*

**science**

Describe how you would go about making 1200mL of 0.100 Molarity HNO3 from a concentrated solution that is 12 Molarity?

*March 14, 2013*

**English**

No because they are a list of general items not specific things

*March 13, 2013*

**trig**

A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?

*March 13, 2013*

**trig**

A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?

*March 13, 2013*

**English**

Only number two is grammatical because no one goes strongly abroad an some day can't be described by strongly.

*March 13, 2013*

**Algebra 1**

The slope is one so to be parralel it has to be the same y+7=x-2

*March 13, 2013*

**3rd math**

a clock starts at 5:05. what time is it after the minute hand rotates 12 degrees

*March 13, 2013*

**Math(problem solving)**

4 darts are thrown at this dart board if all 4 darts hit the board how many different points are possible bullseye 9 2nd circle 7 third circle 4 outer circle 1

*March 6, 2013*

**chemistry quick homework help**

linear

*March 4, 2013*

**math**

A bag has 6 green marbles and 4 orange marbles.Find the least number of marbles of either color you would add to make the probability of picking an orange marble

*February 25, 2013*

**PLEASE HELP!!! ALGEBRA**

That is a Algebra Question. EVERYBODY has a problem with this question. Anyway this is a problem I tell everybody, I'm sorry I can not answer

*February 19, 2013*

**Physics**

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...

*February 14, 2013*

**Physics**

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...

*February 14, 2013*

**Physics**

A certain substance has a dielectric constant of 2.8 and a dielectric strength of 18.0 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of 7.00×10-8 F and to ...

*February 14, 2013*

**Physics**

The stored electrical energy of a 350-μ F capacitor charged to 1.20×104 Volts is converted to thermal energy by discharging the capacitor through a heating element submerged in 548.0 g of water in an insulating cup. What is the increase in temperature of the water ...

*February 14, 2013*

**Physics**

A salami sandwich is dropped from the top of a 37 m tall construction crane. What is the speed of the sandwich when it is halfway to the ground? (Use conservation of energy!)

*February 12, 2013*

**Math**

The diameter is 9.3 meters what is the circumference and area?

*February 11, 2013*

**physics**

a 50 kg student who is late runs up two flights of stairs whose combined vertical height is 7.0 m in 10 s (and he then silently enters the classroom while the professor is writing on the chalkboard).Calculate the student's power output in doing work against gravity in a) ...

*February 5, 2013*

**PLEASE CHECK THESE ANSWERS AMERICAN GOV**

Grade Details - All Questions Question 1. Question : The nerve center of the American Presidency is Student Answer: the President’s Cabinet. CORRECT the Executive Office of the President. the Congressional houses. the Civil Service. Instructor Explanation: The answer can ...

*February 3, 2013*

**History**

a source for tobacco

*February 3, 2013*

**history**

an official permit? a source for tobacco. residents of the Jamestown are before 1607?

*February 3, 2013*

**Physics**

A light plane attains an airspeed of 491 km/h. The pilot sets out for a destination 785 km due north but discovers that the plane must be headed 20.5° east of due north to fly there directly. The plane arrives in 2.25 h. What was the magnitude of the wind velocity? What ...

*January 26, 2013*

**Calc**

A particle moves along the x-axis in such a way that it's position in time t for t is greator or equal to 0 is given by x= 1/3t^3 - 3t^2 +8 A) show that at time t= 0 the particle is moving to the right. B) find all values of t for which the particle is moving to the left. ...

*January 25, 2013*

**Physics**

thank you so much!

*January 17, 2013*

**Physics**

Two equally charged insulating balls each weigh 0.42 g and hang from a common point by identical threads 35 cm long. The balls repel each other so that the separation between their centers is 6.4 cm. What is the magnitude of the charge on each ball? I have tried using similar ...

*January 17, 2013*

**4th grade math**

1,5,9,13,17,21,25,29 the rule is you have to add 4

*January 14, 2013*

**chemistry**

To what volume should you dilute 50.5 of a 4.60 solution so that 30.0 of the diluted solution contains 3.30 of

*January 12, 2013*

**9th grade algebra**

2x^2+5x+2

*January 10, 2013*

**math**

thanks! thought so!

*January 10, 2013*

**math**

factor 8x+16 do you take out a 4 and get (4x-4)(4+4) OR 8(x+2)

*January 10, 2013*

**Science**

What is the function of turgor pressure?

*January 9, 2013*

**math (calculate speed)**

9.6

*January 8, 2013*

**Math**

3^2 is 9 6^2 is 36 4^3 is 64 93*9 is 837 837-36-64 is 737

*January 7, 2013*

**Chemistry**

2 ml of 1M HCl 0 ml of H2O 3ml of .3M Na2S2O3 How do I find the initial and final concentrations of both HCl and Na2S2O3?

*January 7, 2013*

**science**

Yes, humidity! It can not be raining but have a humidity of say 90 percent which is still considered precipitation. Like when you walk out side and it feels muggy and wet in the air.. But there is no rain.

*January 7, 2013*

**Ap chemistry**

How to calculate initial concentration, preferably with a general example??

*January 7, 2013*

**math**

It triples every 15 mins. So that's 3x's greator. There are 4, 15 min intervals in an hr so 3 x 3 x 3 x 3=81 times greator than when you started

*January 7, 2013*

**algebra**

15d+27d-9d

*January 4, 2013*

**English**

Thanks got 100% 1.)Compound sentence 2.)Simple sentence 3.)C 4.)B 5.)Complex

*December 28, 2012*

**math**

Mr.Lewis drew a triangle measurement, x, .5x, and 1.5x. What is the best classification for this triangle? a. acute, scalene b. obtuse, scalene c. right, equilateral d. equiangular, equilateral e. obtuse. isosceles (i don't understand how to solve this problem)

*December 27, 2012*

**Math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

Solve the following exponential equations. 8(6^2x+5)=7^3x-4

*December 26, 2012*

**Math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

The sound intensity of a rainfall is 4.5×10^-9 W/m^2. Find the corresponding sound intensity level.

*December 24, 2012*

**math:)**

If the given point is on the terminal arm of an angle A in standard position, angle A is greater than or equal to 0 degrees and it is less than or equal to 180 degrees, find the measure of angle A, to the nearest tenth of a degree. a) (4,3) b) (12,5) c) (-6,8) d) (-24,7) ...

*December 18, 2012*

**statistics**

Based on data from the Federal Bureau of Investigation, violent crimes in a recent year occurred with the distribution given in the accompanying table. The listed percentages are based on a total of 1,424,287 cases of violent crime. Use a 0.01 significance level to test the ...

*December 16, 2012*

**ENGLISH II HEEELPPPP**

Is this sentence a parallel, if so how can you write it mor simpler? Fire can be friendly or a foe, depending on the situation.

*December 11, 2012*

**chemistry**

How many osmoles are there in 6.00 ML of a 6.0 N mg3(po4)2 solution?

*December 5, 2012*

**Algebra**

The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 975 kPa(kiloPascals) when the number of moles is 4, the temperature is 250 K, and the volume is 320 cc, find the ...

*December 5, 2012*

**English-Help!!!!**

No I did not try scholar in google I forgot about it will try now I tried many been working on this for three weeks And I wouldn't be asking if I only tried one! Please don't assume and Thank you

*December 1, 2012*

**English-Help!!!!**

thanks I did that but was not very successful

*December 1, 2012*

**English-Help!**

Anyone? I can't write my paper without this info

*December 1, 2012*

**English**

Anyone read I am looking for the queen's dream in Aeschylus' Persians;what was interpreted as and the meaning of it

*December 1, 2012*

**math**

Lyle got paid to today. He used 1/2 of his check to pay bills. He spent 30% of what was left on new clothes, and going out to eat. while he was out, he gave $20 to a salvation army charity santa on the street corner. He put 3/4 of what was left into savings. He lent his friend...

*November 29, 2012*

**algebra**

Determine the principal that must be invested at 7% compounded monthly, so that $500,000 will be available for retirement in 49 years. Answer in units of dollars

*November 29, 2012*

**Physics**

No glass is perfectly transparent. Mainly because of reflections, about 92% of light passes through an average sheet of clear windowpane. The 8% loss is not noticed through a single sheet, but through several sheets it is apparent. How much light is transmitted by three sheets?

*November 28, 2012*

**English**

Has anyone have to write a paper on greek mythology and dreams?

*November 19, 2012*

**English Ms. Sue**

Although I am not Ms. Sue I agree with you, because saying that they HAD run and STILL does run for this track team. all the best

*November 19, 2012*

**Intermediate Algebra**

Start with this portrait side 1=x portrait side 2=x+2 frame=2 in

*November 19, 2012*

**Intermediate Algebra**

You have been requested to display your family portrait in the lobby of the new Hampton inn in west Jordan it portrait measures x inches one side. and the other side is 2" longer than the other. the frame that surrounds the portraits is 2 inches wide. You are planning on...

*November 19, 2012*

**Intermediate Algebra**

A model rocket is launched from a height of 50 feet. the formula: h=-16t^2+70t+50 describes the rocket's height,h,in feet t seconds after it was launched. how long will it take the rocket to reach the ground.

*November 19, 2012*

**Math**

65/7= what? than have a remainder of what?

*November 19, 2012*

**Intermediate Algebra**

your house sits on a rectangular lot that has a perimeter of 320 feet. you want to fence the two sides and the back of your lot. your neighbor on the back end wants to have a concrete frence that costs $16 per foot. your side neighbors do not want such an expensive fence and ...

*November 19, 2012*

**Math**

is this the whole question because it does not seem to be sufficient information

*November 19, 2012*

**early childhood literacy**

I like D

*November 19, 2012*

**Chemistry**

When people have indigestion or "heartburn" they often take an antacid to reduce the amount of stomach acid (hydrochloric acid). Two antacids are Mylanta (magnesium hydroxide) and Titralac (calcium carbonate). Jimmy prefres to take Mylanta because Titralac makes him ...

*November 18, 2012*

**Chem**

If 19.0 of gas has a temperature of 320 and a pressure of 550 , what is its volume?

*November 9, 2012*

**Physics electric force, please help!**

It's B

*November 8, 2012*

**Physical Education**

Not Stacey because you're not supposed to touch the net.

*November 7, 2012*

**physics**

The radius is 20 m.

*November 6, 2012*

**7th grade math Ms. Sue please help I have no idea!**

Cut a piece of ribbon 6.18 m long into 6 equal pieces

*November 5, 2012*

**statistics**

In one town 76% of adults have health insurance, find the probability that 8 adults selected at random from the town all have health insurance. would it be unusual to select 8 people and find they all have health insurance. and why?

*November 4, 2012*

**calculus**

really stuck on these two, steps would be greatly appreciated. gotta find the derivative thanks! first one: f(t)=2^(log5t) the 5 is the base second one: y=(2(x^2) - 1)^5 /(√(x+1) for the second one you have to use logarithmic differentiation

*October 31, 2012*