Friday
December 26, 2014

Posts by CODY


Total # Posts: 411

Physics Projectile Motion
You arrive on an unknown planet with your team of astro-scientists. This time, to calculate acceleration due to gravity you decide to drive your buggy off of a 16 meter tall cliff. If you drive at a velocity of 22 m/s off the cliff and land 55.1 meters away, what is your air ...
October 14, 2014

Chemistry
For a tablet containing 500mg vitamin C, Calculate how many mL of 0.095M NaOH are required for titration ( molar mass of ascorbic acid- vitamin c is 1.76.12g/mol) I am not sure of the conversions to use, how to get started with the question.
October 13, 2014

science
what volume occupy 90g/
September 25, 2014

math
If sales tax is 1/16 of the price and the price is $16 how much tax do I pay?
September 18, 2014

MATH
you have a pair of newborn hamsters. each pair that is at least one month old produces a new pair every month. at this rate, you will have 178 hamsters at the end of what month? (The math relay officials said the 10th month but I think that it should be the 8th)
March 25, 2014

Health (STD's)
I need a few words that I can put in my crossword puzzle that go along with Chlamydia... Can anyone help?
March 12, 2014

science(check answers)
B and D
March 12, 2014

Geometry
The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great. A. 9 B. 13.5 C. 27
January 23, 2014

chemistry
A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium: A) approximately equal reactants and products B) some reactants and products with reactants slightly favored C) some reactants and products with products slightly ...
December 6, 2013

chemistry
A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:
December 6, 2013

chemistry
A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:
December 6, 2013

english
can somebody give me ten facts about Hades, keeper of the underworld?
December 5, 2013

history
Sans-Culottes
November 29, 2013

disease
can somebody describe coronary heart disease?
November 18, 2013

History
How wide was the secret hallway behind the bookcase in Anne Franks House?
November 1, 2013

Calculus
I feel really stupid, because I think the answer may just be the sqrt(g/k).
October 7, 2013

Calculus
I am stuck, too. We are trying to find an expression for terminal velocity, or where (d^2h/dt^2) = 0, in terms of g and h. I do not think we are allowed to integrate just yet, so how would we do this?
October 7, 2013

Math
Find k such that the line [y=5x-4] is tangent to the function : x^2-kx
September 15, 2013

ALGEBRA
5x-3y=2x-xy -3y=2x-5x-xy (subtract 5x) -3y=-3x-xy (combine like terms) -3y=x(-3-y) (pull an X out.) (-3y)/(-3-y)=x. (Divide to get x alone.)
September 15, 2013

Calculus
Find k such that the line [y=5x-4] is tangent to the function : x^2-kx
September 15, 2013

physics
A ball is thrown upward with an initial velocity of 14 m/s. At what time does the ball reach the high point in its flight? (Use the approximate value of g = 10 m/s2 and remember that the velocity is equal to zero at the high point.)
June 17, 2013

reading
All of the following are goals of study reading EXCEPT: A. greater speed. B. retain information in your long-term memory. C. be an active reader. D. active reading
April 8, 2013

Chemistry
How many kilojoules of energy are needed to convert 104 g of ice at -14.6 to water at 25.8°C? (The specific heat of ice at -14.6 is 2.01 J/g°C.)
April 3, 2013

math
different was to make this equation true. 24 x 18=
March 25, 2013

physics
A small 0.533-kg object moves on a frictionless horizontal table in a circular path of radius 1.10 m. The angular speed is 6.41 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the circle. Someone under...
March 22, 2013

Chemistry
How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to start. Ksp of PbI2=7.1e-9. Answer=9 drops. Please show steps.
March 17, 2013

Chemistry
How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to start. Ksp of PbI2=7.1e-9. Answer=9 drops. Please show steps.
March 17, 2013

Math
A 6 ft person has a shadow 5ft long. A nearby tree has a shadow 30ft long. How tall is the tree?
March 7, 2013

Calculus
Yes between the interval x=1 and x=3 and in the second term it is 1/(4x^2)
January 25, 2013

Calculus
Find the arc length given the equation y=(x^4/8)+(1/4x^2) [1,3]
January 25, 2013

Calculus
Find the arc length given the equation y=(x^4/8)+(1/4x^2) [1,3]
January 25, 2013

Pleaseeeeeeeee Help me
Do your own homework, this stuff is easy you might be failing if you can't handle it.
January 2, 2013

physics
Can you find the pressure exerted on the floor by the heel if it has an are of 1.50 cm^2 and the woman's mass is 55kg?
December 11, 2012

chemistry
At a certain temperature, the Equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at Equilibrium? equation: H2 + I2 = 2HI
December 11, 2012

Math
Two numbers total 43 and have a difference of 21. Find the two numbers
December 5, 2012

Physics
In 0.369 s, a 14.2-kg block is pulled through a distance of 3.60 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block. The spring constant of the spring is ...
November 13, 2012

social studies
need help in filling in a diagram sea of air layers of atmospher
October 30, 2012

Physics
A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with the vertical ...
October 25, 2012

science DUE FIRST THING IN THE MORNING PLEASE HELP
where did the water on the outside of a glass come from
October 24, 2012

science
where does the water on the outside of a glass cup come from
October 24, 2012

science
What property of gases allow them to completely fill whatever space they are in?
October 24, 2012

us history
what is the worlds greatest invention???
October 24, 2012

Physics relationship
Let W1 represent the work required to accelerate an object on a frictionless horizontal surface from rest to a speed of v. if W2 represents the work required to accelerate the same object on the same surface from a speed of v to 2v, then which one of the following is the ...
October 16, 2012

Math. easy?
On his 13th birthday he was 112cm tall and on his 14th birthday he was 121cm tall. Assume a geometric monthly growth rate. What is this rate? I just need to know how to set it up. Please and thanks
October 14, 2012

Physics
A cow pat was thrown 81.1m. Assuming the initial launch angle was 45 degrees, and neglecting air resistance, determine the total time the projectile was in flight. a) 4.83s b) 5.28s c) 4.07s d) 5.87s e) 4.35s
October 9, 2012

Math, due tonight!
Assume that all linear dimensions of an animal increase by 12%. Then the animal will have the same shape. How do the surface area, the volume and the weight (under assumption of constant specific gravity) increase? Give the percentage of the increase.
September 30, 2012

MATH
Assume that all linear dimensions of an animal increase by 12%. Then the animal will have the same shape. How do the surface area, the volume and the weight (under assumption of constant specific gravity) increase? Give the percentage of the increase.
September 30, 2012

Physics
A 1500 kg car moves along a horizontal road at speed v0 = 21.9 m/s. The road is wet, so the static friction coefficient between the tires and the road is only µs = 0.302 and the kinetic friction coefficient is even lower, µk = 0.2114. The acceleration of ...
September 29, 2012

Physics Vectors
two vectors A and B have magnitude such that A>B. We do not know the directions of the vectors. however we can say that the magnitude of the sum A+B must be between? a) B and 2A b)A and A+B c) A-B and A+B d) A-B and A e) B and A+B
September 27, 2012

History
My teacher was not very clear in explaining this topic, I need a refresher I guess.
September 25, 2012

History
Comparing French, Dutch, and English colonies, which ones attracted the most settlers, and which the fewest? In what colonies were women scarce? What impact did these differences in emigration have on the various colonies development?
September 25, 2012

science
what are controls and variables?????????
September 13, 2012

algebra
thank you very much this really helped a lot!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
August 30, 2012

algebra
i need some examples of addition problems with negative answers can anybody help me ??????????????????
August 30, 2012

chemistry
I see your error. You used the incorrect freezing point depression constant: .52 instead of 1.86.
July 12, 2012

chemistry
This sounds like solid reasoning, but I apologize, because the answer in the back of my textbook says 0.56 mL of 12.0 M HCl.
July 12, 2012

chemistry
PLEASE SHOW PROCEDURE! You wish to prepare an aqueous solution that has a freezing point of -0.100 degrees Celsius. How many milliliters of 12.0 M HCl would you use to prepare 250.0 mL of such a solution? [Hint: Note that in a dilute aqueous solution, molality and molarity are...
July 12, 2012

Macroeconomics
Describe how each of the following will affect the equilibrium price level(P) and real output(Y) in the short run(Assume the economy is initially in the long-run equilibrium.) (a) A reduction in the real interest rate (b) A widespread fear of deep recession on the part of ...
June 19, 2012

physics
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 14.0s. It runs at a constant speed for 70.0 s and then slows down at a rate of -3.50 m/s2 until it stops at the next station. a) Sketch a position vs. time graph for this problem. b) Sketch...
June 4, 2012

physics
A runner covers one lap of a circular track 40.0 m in diameter in 62.5 s. Suppose initially the runner starts by going in the north direction. Assume the speed is constant for the first half-lap and then constant for the 2nd half-lap. Suppose instead the runner ran these same ...
June 4, 2012

geometry
The 1700 matches my answer so is that the one I use
May 25, 2012

geometry
The volume of a sphere is 2,098pim^3 what is the surface area to the nearest tenth
May 25, 2012

geometry
abcd is a parallelogram. if ab is equal to 2x+1 and cd is equal to x +13,findx
May 25, 2012

geometry
Use formulas to find the lateral area and surface area of the given prism round to nearest whole number Believe height 4m and base on side 7m, front 29m, other end 7.28m possible answers; 472m^2;486m^2 443m62;486m^2 472m62;479m^2 443m62;500m^2 Can someone possibly help me
May 24, 2012

geometry
I guess I'm lost my answer choices are; 7/2+21/2sqrt3 21+7sqrt3 7+21sqrt3 21/2+7/2sqrt3 So I don't understand
May 24, 2012

geometry
Sorry, but I still don't get it
May 24, 2012

geometry
The length of the hypotenuse of a 30, 60, 90 triangle is 7 how do you find perimeter?
May 24, 2012

geometry
i figured out the mean sqrt of 1089=33
May 23, 2012

geometry
find the geometric mean of the pair of numbers 99 and 11 kristen lives directly east of the park the football field is directly south of the park the library sits on the line between kristens home and the football field at the exact point where an altitude to the right formed ...
May 23, 2012

Chemistry
The pH of a solution is 1. Which of the following statements are also true for the solution? (Select all that apply.) It will change the color of red litmus to blue. The concentration of hydronium ion is equal to the concentration of hydroxide ion. The solution is acidic. It ...
May 18, 2012

math
nvm i just did b*(-1x^2+122x)=61
April 28, 2012

math
i am trying to write a script for an animation so that it follows a specific path. the animation begins at the origin, goes upwards to the point (61,61) then falls to (122,0) in a parabola. i am trying to figure out the equation for this line. x-intercepts: 0 & 122 vertex: (61...
April 28, 2012

chemistry
If 90 mL of laundry bleach containing a 5.0% w/v concentration of sodium hypochlorite is recommended per load of laundry, what mass of sodium hypochlorite is being used per load?
April 26, 2012

phys
327
April 26, 2012

english
what is the Gerund phrase and Noun function in these sentences? 1)Writing a research paper sounds difficult. 2)He must like studying calculus. 3)Her favorite pastime is entertaining friends. 4)Water skiing, sailing, and swimming are my favorite summer sports. 5)I enjoy playing...
April 3, 2012

english
i am new to this
April 3, 2012

english
what is the function of the italicized infinitive phrase in these sentences? 1)May I have permission to use the car tonight? 2)He went to Europe to study architecture. 3)Can you give me a place to put my things? 4)I want to go with you to the store. 5)To help you is my ...
April 3, 2012

Physics
A cannon tilted up at a 34.0^\circ angle fires a cannon ball at 69.0 m/s from atop a 23.0 m-high fortress wall. What is the ball's impact speed on the ground below?
March 29, 2012

College physics
Consider the two situations. In the first a machine must pull a box up a rough slope at constant speed. The mass of the box is 800 kg, the coefficient of kinetic friction is 0.2, and the slope is inclined at 15 degrees to the horizontal. In the second situation the machine ...
March 27, 2012

ap world history
what was the world bank? why was it created?
March 26, 2012

Geometry
How do I find the area of a right triangle with a hypotenuse that measures 39 cm anad a leg that measures 15 cm?
March 21, 2012

Poetry, plz comment
this was beautiful.
March 15, 2012

physics
What is k?
March 9, 2012

physics
Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 4.00 m/s. At what final speed would the child enter the water if the water slide were twice as high? Ignore friction and resistance from the air and ...
March 9, 2012

algebra
composite function Find ( f o g) (-5) if f(x)= -2x-7 g(x) = -4x + 3
March 2, 2012

physics
A 68.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.770 and 0.470, respectively.
February 16, 2012

math
>.> and the question is...?
February 13, 2012

Math [Trig]
how do you find a full cycle of a trigonemtric function?
February 13, 2012

math
what items?
February 13, 2012

Calculus
The answer to your question is 3
February 12, 2012

physics
Two boxes (b1 = 23 kg and b2 = 57 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 48-N pushing force is horizontal and is applied to the 23-kg box, which in turn pushes against the 57-kg box. Find the magnitude of the force that the 23-...
February 10, 2012

physics
A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.31 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
February 10, 2012

physics
A rock of mass 32 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 275 N. What is the magnitude of the acceleration of the rock?
February 10, 2012

college mathematics
9. Create a Euler diagram to determine whether the syllogism is valid or invalid. All children like games. John likes games. John is a child., <--At the beginning of this sentence which is the last sentence is suppose to have three dots shaped like a triangle. (I am having ...
February 8, 2012

college mathematics
2.) Construct a truth table for (p^~q)-->q.
February 7, 2012

college mathematics
10. If the argument below is valid, name which of the four valid forms of argument is represented. If it is not valid, name the fallacy that is represented. If I sing in the shower, then I will not be overheard while singing. I was not overheard while singing. Therefore, I ...
February 7, 2012

college mathematics
9. Create a Euler diagram to determine whether the syllogism is valid or invalid. All children like games. John likes games. John is a child., <--At the beginning of this sentence which is the last sentence is suppose to have three dots shaped like a triangle.
February 7, 2012

college mathematics
8. Determine which, if any, of the three statements are equivalent. Give a reason for your conclusion. Show complete work. I.) If the dog wags its tail, then the dog is not calm. II.) Either the dog does not wag its tail or the dog is not calm. III.) If the dog is not calm, ...
February 7, 2012

college mathematics
5. Given p is false, q is true, and r is false, find the truth value of the statement (~p<-->~q)-->~r. Show step by step work.
February 7, 2012

college mathematics
4. Construct a truth table for q <-->(p^ ~q). Be sure to include all intermediate steps in your table.
February 7, 2012

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