Suppose there is friction (static coefficient = 0.22, and kinetic coefficient = 0.15). With this friction, what force (if any) is necessary to hold the 30kg mass stationary on a 35 degree incline?
a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?
What would 13 less than 30 look like written as a numerical expression
i want to see the answer to this question
6 and 7 inch
if a gas is initially at 1.5 atm of pressure, Occupies a volume of 3.0 L at a tmepeature of 293K, what will be the new volume if the pressure increases to 2.5 atm and is now at 303K?
How did the struggle between rich and poor affect Athens and Spartens?
7th Grade Science
Jorge is that the answer.And what school do you go to.
7th Grade Science
Jorge is that the answer.
Define a day by the passage of the sun
can you please help me though
im not sure
What is the love relationship like between Brently and Louise Mallard in the story of an hour?
so brooke is right the total sales tax is $3.89
for one shirt
actually you are both wrong he would pay exactly 0.777 cents in sales tax which rounds off to 0.78 cents in sales tax
Can I have your email Ms. Sue so i can send you my paper for proofreading
What is a good topic sentence for Louise Mallard's death in the story of an hour?
1/4 or 0.25
Is this a good SHORT summary of the story of an hour? Louis Mallard, the wife of Brently Mallard, can't stand her husband and wants a life without him. The moment she hears he died in a train accident she is happy and looks forward to her new life. She says that she is now...
Can u summarize the story of an hour in a few sentences?
can i have an introduction for how brently mallard died in the story of an hour
A driver in a car traveling at a speed of 41.7 mi/h sees a deer 88 m away on the road. Calculate the magnitude of the acceleration necessary for the car to stop just barely miss- ing the deer (assuming that the deer does not move in the meantime). Answer in units of m/s2
Creating a Budget Various budget approaches play an important role in resource allocation in human service organizations. You are the executive director for a local government workforce agency that focuses on providing career- and work-related skills. The Department of Educati...
what happens to your image that is initially observed in a flat mirror from 10 feet away and then you move to 20 feet away
Two cards are drawn from a well-shuffled deck of 52 playing cards. Let X denote the number of aces drawn. Find P(X = 2).
18x + 9 / 3 > 10x - 4 / 2
18x + 9 10x - 4 ________ > _________ 3 2
compare and contrast karyotype studies and pedigrees using a venn diagram
what shape can fold into 50 deferent ways and still be equal on both sides?
What is a type of substance that does not dissolve? Thank you
Is a type of substance that dissolves a --solvent Also, if it is not crystalline--what is it?
What is the process that separates insoluable substances from a liquid. Thank you.
y=4x-1 y=2x-5 Use substitution to solve each system of equations
How do i find 1800 ml of water would fill a ________ cm3 container
5th grade math
I need some help with my math sheet lesson 11-12 with volume mass and capacity
What does 2/3 + 5/6 equal?
Math/Applications and Concepts
How do I find the product of 1/3, -3/8, and 4/5? Thank you!
solve by substution 4x-3y=36 x=2y+7 solution
What amount is a mol?
Calculate the xolubility of calcium sulfate in 0.010 mol/L calcium nitrate at SATP CaSO4 ==> Ca^+2 + SO4^= Ca(NO2)2 ==> Ca^+2 + 2NO3^- = 0.01 M Ksp CaSO4 = (Ca^+2)(SO4^=) = ??. Look up Ksp for CaSO4. Subsitute 0.01 for Ca^+2 and x for SO4^= and solve for solubility CaSO4...
Caclulate the Ka of nitrous acid if a 0.200 mol/L solution at equilibrium at SATP has a percent ionization of 5.8% ka=(H+)(NO2-)/(HNO2-) If 1.59% ionized then after ionization H+ = 0.2 x 0.058 =? NO2- = 0.2 X 0.058=? HNO2=0.2 x (1.0 - 0.058) If solution is 5.8% ionized, than u...
What mass in grams of potassium hydroxide is contained in 500 mL of solution that has a pH of 11.5? I have a pOH of 2.5 to get [OH] I do 10^-2.5 to get 0.001581138 Then I divide this by 2 to find the mols in 500 mL Then, grams = mols x molar mass = 0.00158``38 x 56.105 g/mol =...
A student prepares a 0.20 mol/L aqueous solution of ascorbic acid and meausres its pH as 2.40. Based on theis evidence, what is the Ka of ascorbic acid? H+ = 0.00398 C- is the same (HC) = 0.2 = 0.00398 (0.00398)(0.00398) / 0.0199 =0.000796 Hi DrBob222 you told me you got 8.0 x...
A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the Ka of benzoic acid at SATP My work: C6H5COOH --> C6H5COO^- + H^+ Ka = (C6H5COO-)(H+)/ C6H5COOH I know my next steps are to use pH = log(H+) to cal...
What mass in grams of potassium hydroxide is contained in 500 mL of solution that has a pH of 11.5? Your response: [OH] = 1.0 x 0^-14 / 11.5 This isn't correct. If the pH is 11.5, then the pOH = 14 - 11.5 = 2.5 = pOH and (OH^-) = 0.00316 M. It appears to me that you have K...
(x)(x)/(.001-x) = Kb (x^2)/(0.001 - x) = 1.0 x 10^-6 So, in the form of ax^2 +bx + c = 0 this is x^2 + 0.001x + 1.0 x 10^-6?
I need book reviews of "Carrie"
Trying find the critical numbers for X^3+X^2-8x But i cant remember how to simplfy the derivitive of 3X^2+2X-8 can someone help me?
Can someone help me find Delta Time for the first 150 meters of this question. Everytime I try and get it by using the quadratic formula I get two negative numbers which I don't think is right. A model rocket is launched straight upward with an initial speed of 50.0m/s. It...
Just not really sure where to start with this problem
Let G(x)=2/(x+1) (a) Use the limit definition f the derivitive to find G'(0). (b) Find an equation of the tangent line to the curve y=2/(x+1) at the point (0,2).
How would I would I solve this problem -25-75h=h+25 Add 25 to both sides. Subtract h from both sides. This should leave you with -76h = 50 Finally, divide both sides by -76
Amayor has a friend in publishing who tells him they have just published 20 new books and tells him he may pick 10 of them. a.) How many different selections can the mayor make? b.)If the govenor picks ten distinct books, how many ways can he make his selection? a.)one selecti...
.06 divided by 7.1
The state of the US economy is one where the price level has decreased from 110 to 120. Manufacturers are finding that their inventories are increasing. Foreign countries are finding that the exchange rate of the US dollar is down. Americans are substituting imported goods whe...
how do you find the interval Interval between what and what? Since I am not sure what you are asking, I searched Google under the key words "find interval" and "find interval math" to get these possible sources: http://www.yawiktionary.com/i/1148366673828.h...