# Posts by eric

Total # Posts: 819

**Vectors**

r=w+p w=[0,-20,0] p=[200,0,200*tan14] |r|=207

**english**

what does miss rosie symbolize in the poem miss rosie by lucille clifton?

**arithmetic**

terry shared three pizzas with some friends, terry ate 1/4 of them how much pizza did terry eat

**Math**

How many 3w by 6d bricks are needed to fill a 15 by 6ft area

**physics**

A 5 m by 9 m raft whose mass is 18000 kg floats in fresh water. A 8590 kg load is dropped on the raft. The acceleration of gravity is 9.8 m/s2. With what frequency does the raft bob up and down? Answer in units of Hz.

**2nd grade**

home work paper says: On the back:cut out a letter. make a motion pattern on the back. I am clueless please help.

**physics**

A mass attached to a spring executes simple harmonic motion in a horizontal plane with an amplitude of 1.07 m. At a point 0.4815 m away from the equilibrium, the mass has speed 3.87 m/s. What is the period of oscillation of the mass? Consider equations for x(t) and v(t) and ...

**physics**

thank you very much

**physics**

Damped mass spring system oscillates at 205 Hz. The time constant of the system is 6.6s. At t=0 the amplitude of oscillation is 4.7 cm and the energy of the oscillating system is 26J. What is the amplitude of oscillation at t=9.9s? Answer in units of cm please help

**Math**

$1500 invested in 7% one and $3000 invested in 8.5% one

**college physics**

A cylindrical stone column of diameter 2R = 1.47 m and height H = 4.46 m is transported in standing position by a dolly. When the dolly accelerates or decelerates slowly enough, the column stands upright, but when the dolly’s acceleration magnitude exceed a critical value...

**Programming Design**

Velma and her husband Victor run a full service veterinary clinic. They would like a program to help them calculate costs for their clients. Victor, who is the vet, charges a flat fee of $100 for medical services and a flat fee of $50 for shots. Velma does the grooming. She ...

**college physics (inertia)**

As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the ...

**college physics (inertia)**

As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the ...

**college physics (inertia)**

As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the ...

**chemistry**

what is conjugated base of NH4+

**10th grade**

what is the conjugated base of H2SO3

**biology**

Insects that live on land have a coating of wax on the outer surface of their body. What function might this wax serve for these animals?

**biology**

What are the storage and quick energy forms of carbohydrates found in animals, and how are these forms structurally related to each other?

**college physics**

A(n) 13,300 lb railroad car traveling at 7.4 ft/s couples with a stationary car of 6790 lb. The acceleration of gravity is 32 ft/s^2. What is their velocity after the collision (ft/s)? And what impulse did the first car receive? Answer in units of lbs. Any help would be ...

**Yoku**

A prism has total surface area of 360 m2 and volume of 60 m3. If the length, width, and height are reduced to half their original sizes, what will be the following?

**Physics**

what is the weight of a 10kg object on the moon if it is 1/6 that of the earth?

**5th grade**

12132,23434,34

**economics**

It is based on the idea the the velocity of money is constant. Monetarist advocated such a policy in the 1970's and Volcker tried it around 1980 and it a did not work so no one advocates it any more.

**physics**

Monochromatic light falls on two very narrow slits 0.035 mm apart. Successive fringes on a screen 4.80 m away are 5.8 cm apart near the center of the pattern. What is the wavelength of the light?

**Physics**

Two fully charged capacitors (C1 = 2.00uF, q1=6.00uC,C2=8.00uF, q2 = 12.0 uC). The switch is closed, and the charge flowed until equilibrium is re-established, which occurs when both capacitors have the same voltage across their plates. Find the resulting voltage across either...

**Physics**

The drawing shows a large cube (mass = 48 kg) being accelerated across a horizontal frictionless surface by a horizontal force . A small cube (mass = 2.1 kg) is in contact with the front surface of the large cube and will slide downward unless is sufficiently large. The ...

**4th grade math**

9miles long

**chemistry**

Consider a glass of 294 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved

**Physics**

The intensity of a particular earthquake wave is measured to be 5.0 multiplied by 106 J/m2·s at a distance of 55 km from the source. (a) What was the intensity when it passed a point only 3.0 km from the source? (b) What was the rate energy passed through an area of 7.0...

**Physics**

When a 65 kg person climbs into a 1000 kg car, the car's springs compress vertically by 3.1 cm. What will be the frequency of vibration when the car hits a bump? Ignore damping.

**chemistry**

2.5 *10^5 lbs

**college chemistry**

Read your book boy!

**7th grade math**

what is the ratio of a triangle that is 6cm on one side,and 10cm on the other side,and 8cm on the last?

**calculus**

Find the indefinite integral. ∫x√(2x+1)dx

**calculus**

Find the indefinite integral and check the result by differentiation. ∫((t^3/3)+(1/4t²)dt

**english**

They are both essentially anti-war books, so try to base it off of that.

**4th grade**

8 pichers

**6th grade**

what is the title of this picture

**math**

It was noticed that some cars have license plates with 3 letters followed by three numbers while other license plates have 3 numbers followed by 3 numbers if neither letters nor numbers can repeat what is the probability of getting the letter A in the first letter slot and ...

**statistics**

for a six-sided standard die is the event "less than 3" and the event "greater than 3" complimentary, mutually exclusive, or both. I think they are both but not sure

**statistics**

It you roll two dice find the number of outcomes for each of the following events: A)rolling two prime numbers B) rolling at least one odd number A) i got 9 outcomes B) i got 27 outcomes i used a table to figure this out are my solutions correct?

**english**

what was the summary about Botox 'could be long- term health risk'

**Physics**

A ball of mass m makes a head-on elastic collision with a second ball (at rest) and rebounds with a speed equal to one-fourth its original speed. What is the mass of the second ball?

**managerial economics**

The MorTex Company assembles garments entirely by hand even though a textile ma- chine exists that can assemble garments faster than a human can. Workers cost $50 per day, and each additional laborer can produce 200 more units per day (i.e., marginal product is constant and ...

**history**

describe the two ways america's fight for independence influenced other countries?

**Accounting**

Hi guys, please help me solve this question. Please tell me how exectly should I solved this question. Thanks. On September 1, 2000, ABC Company received an 7000, 12%, 120 day note from a credit customer wishing to extend its repayment period. On october 1st, 2000, thirty days...

**advanced functions**

Sorry, I actually have a question. According to the question that was posted. If I were to solve this question, without knowing the radius of the earth before hand. Is there any other solution??

**History**

I need some help, I'm currently writing a ''World war one Trench warfare letter'' I'm supposed to write a letter just like soldiers did in world war 1, and I'm all out of ideas.. help?

**12th grade**

Need help on the book of beowulf- what it the evil between the two religions christian and pegeon.

**math**

The question is 25squareroot symbol 24 divided by 5 square root symbol 2

**social**

The direct approach for delivering bad news is best for persons who A) you do not know well. B) prefer straightforward messages. C) are unfamiliar with your company. D) All of these. im not sure if the direct approach is based on people knowing each other or not.

**math**

How do I convert From fraction into decimal 1/33?

**7th grade**

How do I convert decimal into fraction. Ex. .83

**Chemistry**

You have a 22L cylinder of helium at a pressure of 150atm and a temperature of 31C. How many ballons can you fill, each with a volume of 5.0L, on a day when the atmospheric pressure is 755mmHg and the temperature is 22C? I know I use PV=nRT, but what numbers do I plug in and ...

**Chemistry**

You have a 22L cylinder of helium at a pressure of 150atm and a temperature of 31C. How many ballons can you fill, each with a volume of 5.0L, on a day when the atmospheric pressure is 755mmHg and the temperature is 22C?

**physics**

Da/(Vb-Va) Is the right answer.

**Physics**

Two objects are connected with a string. In the quantitative treatment of the problem we assume that the string exerts a tension force of magnitude T on each of the two objects. What do we need to assume for this assumption to be valid? a) the string may hang loose between the...

**Culinary arts**

What is the belly of a knife and which country produces it?

**Math**

When trying to figure up sales tax on a problem how would one write it out I have searched the site some say 1.05 some say 0.05 and something about moving a decimal over 2 spaces to the left. Im not getting it Like the problem is 3 shirts is 9.99 ea we know this is $29.97 then...

**Math**

How many angles in a triangle?

**10th grade english**

Ok, I need help on the book "The Road" By cormac McCarthy. I need to know 3 themes, the plot, the setting and how it affects the story, and Literary devices used in the story! Thanks so much!

**geometry hs**

yes but don't know wat surface area it increases

**geometry hs**

if the diameter of a spherical ball is doubled,by what factor does its surface area increase?

**Algebra**

-x when x=7

**word puzzle**

made a loud , shrill , high sound. ( 8 letter word )

**coverting time**

7 weeks to minutes or how many minutes are in 7 weeks and can you show how you did it

**math**

Walterwants to replace some fence on his farm the wooden rail fence cost about $60 for the wood and $50 for labor to install a fence 12 feet long. He estimated he would need276 feet of new fence, however when he measured it he realized he would only need 216 feet of fence what...

**kindergarten**

how many syllables are in this word grandmother

**Economics**

Present earning by using annuity value and net present value

**poem:incident in a rose garden**

why do you think death is considered a connoisseur of roses

**Chemistry**

What element is symbolized by X?

**math**

thanks a bunch! you really helped!

**math**

ohh, you mean like an x and y table?

**math**

how do you gfraph a function such as g(x)= x +7 then compare it to the graph of f(x) =x? this is very confusing...

**Math**

It has schools but no children roads but no cars ,lakes but no water, and neighborhoods but no yards?

**CHemistry....Please double check DrBobb**

anyone remember any questions for the lab quiz?

**Please double check...GK or Dr.Bobb22**

hey if u guys are still around, i think e is wrong. check general chem text book pg 682 table 16.4 it shows u the Ka equation for bicarbonate and even the ka value

**Earth Sci**

jffkugkgkg

**Chemistry...Please Help**

hey i think e is wrong. check pg 682 on ur text book. it actually shows u the equation on the table 16.4

**2nd grade**

Are give and gift soft g words?

**math**

Two numbers have a sum of 47 their difference is 5. What are the two numbers?

**science**

What are its properties? Write two properties for each object. block,paper clip and book water, milk and orange juice

**math**

how does a rodeo star get around?

**2nd grade**

What are its properties? (block, paper clip, book)

**physics**

Two infinitely-long lines of charge run parallel to the z axis. One has positive unifonn charge per unit length, IvO, and goes through the x y plane at x=O, y=s/2. The other has negative unifonn charge per unit length, -A, and goes through x=O, y=-s/2. Nothing changes with the...

**physics gauss law**

thank you very much Damon...you help me alot. thanks

**physics gauss law**

In a spherical region, the voltage is measured to be spherically symmetrical, with V = VCr) = wrg • The constants, wand g, are positive. a. Find the radial electric field. b. Use Gauss' Law to find the charge enclosed in a sphere of radius r. c. Find the charge ...

**english**

a hint i got was it involves a kitten

**english**

The square root of the lava lamp is champagne, and the ace of spades is tattooed on the wrist of the man who invented the poker chip. Assuming poker chips are round, what will this man's last words be?

**Math problem**

Thank You Damon I understand now.

**Math problem**

Solve: 5/(x-8)-5/x = 40/(x^2-8x) How would this be solved?

**math**

1 1/2 gallons a day

**math**

Gasoline is about $4 per gal. You use about gallons each day driving to and from work. How much should you budget for gas over the next month (about 20 workdays)?

**British Literature**

Holy... This saved me like an hour of looking this stuff up, THANK YOU SO MUCH

**math**

What is a radical? What is a mixed radical? What is a square root? What is a perfect sqaure?

**Reading**

I need help completing a story on Mrs. Brown went to town...2nd grade.

**Financial**

Percentage Holding Period Return = [($1,000 - $975 + $60)/$975] x 100% = 8.717% (8.72% rounded).

**9th grade**

x,1,2,3,4,5 y,15,30,45,60,75 question 1 x,1,2,3,4,5 y,15,30,45,60,75 question 2 find the slope of each equation

**u.s. history**

imagine you are living in the united states in the 1890's. write a letter to the president persuading him to support or oppose an imperialismt policy for the united states. be sure to use standard grammar, spelling, sentences structure, and punctuation.