Monday

July 25, 2016
Total # Posts: 36

**physics**

A chair of mass 14.5 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 35.0 N that is directed at an angle of 43.0 ∘ below the horizontal and the chair slides along the floor. find the normal force of chair on floor
*February 8, 2016*

**physics**

Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 67.3 N, Jill pulls with 98.7 N in the northeast direction, and Jane pulls to the southeast with 133 N. (Since the donkey is involved with such uncoordinated people, who can blame it for ...
*February 13, 2015*

**Biochem**

Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th ...
*November 13, 2014*

**math**

When a trinomial is factored as (x + m)(x + n), what is the sum of m and n? A. The coefficient of the x-term of the trinomial B. The constant term of the trinomial C. The degree of the trinomial D. The coefficient of the x2-term of the trinomia
*October 6, 2014*

**Biochemisty**

Yuh
*March 20, 2014*

**math**

i no
*May 30, 2013*

**math**

Shawn bought a home for $100,000. He put 20% down and obtained a mortgage for 30 years at 5½%. What is the total interest cost of the loan?
*March 28, 2013*

**math**

The pie chart shown in Figure A-6 illustrates the favorite foods of a selected group of fiveyear- old children. A total of 5,280 children were polled in order to construct this chart. According to the information provided in the chart, how many children chose pizza
*March 28, 2013*

**Math **

Perform the indicated operation and simplify? (4x)/(x-2)+(8)/(x+2)
*March 26, 2012*

**Math **

Perform the indicated operation and simplify? (4x)/(x-2)+(8)/(x+2)
*March 26, 2012*

**Anthropology**

b d
*December 15, 2011*

**Math**

How much meters are in 7 1/2centimeters
*December 9, 2011*

**phy**

When you push a 1.82-{\rm kg} book resting on a tabletop, it takes 2.21 N to start the book sliding. Once it is sliding, however, it takes only 1.52 N to keep the book moving with constant speed. 1-What is the coefficient of static friction between the book and the tabletop? 2...
*July 18, 2011*

**phy**

A child goes down a playground slide with an acceleration of 1.36 m/s^2. 1-Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 28.0 deg below the horizontal.
*July 18, 2011*

**phy**

A major-league catcher gloves a 92 mi/h pitch and brings it to rest in 0.15 m. 1-If the force exerted by the catcher is 803 N, what is the mass of the ball?
*July 17, 2011*

**phy**

silver ball= 50g water= 350 g water= 0 celcius equilibrium temperature= 10 celcius specefic heat capacity of platinum= 230 what is the temperature of furnace?
*July 14, 2011*

**chem**

methyl salicylate has a mass percent composition of 63.2% C, 31.6% O, and 5.26% H.The mass of one molecule of the compound is 2.53 x 10^-22.Determine the empirical formula and the molecular formula for methyl salicylate.
*July 12, 2011*

**bio**

would these substances pass easily through the pores of dialysis tubing? and EXPLAIN why. 1-glucose 2-na^+ 3-insulin 4-estrogen 5-hydrogen ion
*July 9, 2011*

**phy**

Snowballs are thrown with a speed of 11 m/s from a roof 6.0 m above the ground. Snowball A is thrown straight downward; snowball B is thrown in a direction 20^\circ above the horizontal. 1-Find the direction of motion of the two snowballs just before they land.
*July 9, 2011*

**phy**

An archer shoots an arrow horizontally at a target 14 m away. The arrow is aimed directly at the center of the target, but it hits 52 cm lower. 1-What was the initial speed of the arrow? ** is this the formula for finding t : y=h-1/2(gt^2)= 00.52-1/2(9.8t^2) t=0.3258 s initial...
*July 6, 2011*

**Algebra 2**

When a trinomial is factored as (x + m)(x + n), what is the sum of m and n? A. The coefficient of the x-term of the trinomial B. The constant term of the trinomial C. The degree of the trinomial D. The coefficient of the x2-term of the trinomial
*February 22, 2011*

**books**

Does The Road by Cormac McCarthy have the philosophy of Dystopianism in it? Dystopian is also the belief that future technology will bring the downfall of mankind.... right? Thanks in advance from Carolina
*February 15, 2011*

**Math**

If a sphere has radius 5 m. what is the volume of the sphere?
*January 17, 2011*

**physics**

A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of length L/2 tied to the ...
*April 5, 2010*

**physics**

A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of length L/2 tied to the ...
*April 5, 2010*

**calculus**

Compute lim t→2(5t − 2 + (t^2/t − 1)).
*February 8, 2010*

**4th grade**

Butt
*November 30, 2009*

**stoichiometry**

10 g Cl2 / 71 g/mol /1 (balanced equation) = 0.141 Still the limiting reactant\ MgCl2 is still 13.4 Sorry!
*September 11, 2009*

**stoichiometry**

Mg + Cl2 -> MgCl2 5.00 g Mg / 24 g/mol / 1 (from balanced equation) = 0.21 10.0 g Cl2 / 71 g/mol / 2 (from balanced equation) = 0.070 Smallest number is limiting reactant = Cl2 Yield = 10.0 g Cl2 / 71g/mol X 1 mol MgCl2/1 mol Cl2 X 95 g MgCl2/mol = 13.4 g
*September 11, 2009*

**Chemistry II**

(NH4)3PO4 has 3 NH4 ions and 1 PO4 ions. Add them together to get i = 4
*September 9, 2009*

**history**

when was self government establish
*January 4, 2008*

**writting skills**

2. In the metaphor of language as a layer cake given in your study unit, which of the following words could be considered to be a frosting word? A. Frequently B. Occasionally C. Honestly D. Prescient
*October 25, 2007*

**science**

When was the idea of the atom first introduced? wasnt it around 450 B.C.. Some claim Demotricus introduced it, as the "atomos", but I am not certain on reading his works he understood it as the thing we know as the atom. The best dating we can do is that Leucippus in...
*March 31, 2007*

**science**

When was the idea of the atom first introduced? http://en.wikipedia.org/wiki/Atom#History_of_atomic_theory_and_discovery_of_atomic_structure Interesting...I never knew that until I read it.
*March 31, 2007*

**unit rate**

112/8=14
*November 28, 2006*

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