pop

Most popular questions and responses by pop
  1. 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.

    asked on July 18, 2011
  2. 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?

    asked on July 17, 2011
  3. 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)=

    asked on July 6, 2011
  4. Math

    Solve the proportion W/36=5/18 A. W=5 B. W=10 C. W=15 *** D. W=20

    asked on February 8, 2018
  5. 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

    asked on February 8, 2016
  6. Algebra

    A kennel charges $20 a day to board dogs, where d represents the number of days. Upon arrival, each dog must have a bath that cost $15, where cost is represented by C(d). Write a function rule to represent this situation. C(d) = 20d + 15 C(d) = 15d + 20

    asked on November 2, 2018
  7. 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

    asked on July 9, 2011
  8. microeconomics

    curve for a monopoly and a monopolistically competitive firm? Select one: a. The MR curve is the same as the demand curve in the long run b. Because of product differentiation, monopolistically competitive firms have more elastic demand and MR curves c.

    asked on April 24, 2019
  9. 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

    asked on April 5, 2010
  10. 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,

    asked on February 13, 2015
  11. 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.

    asked on July 12, 2011
  12. microeconomics

    What is Foreign Private Investment? Select one: a. When western economies buy goods from less developed countries b. When foreign companies invest in other countries’ economies by building factories or making loan to the country’s government c. When

    asked on April 24, 2019
  13. microeconomics

    What factor can a firm in a perfectly competitive market control in the short run? Select one: a. The supply curve b. Quantity produced c. Quantity demanded d. Price

    asked on April 24, 2019
  14. 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

    asked on March 31, 2007
  15. 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

    asked on April 5, 2010
  16. 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

    asked on November 13, 2014
  17. math

    the teacher has 15 gold ribbons , 22blue ribbons and 53 red ribbons. there are 12 boys and 18 girls in the class if the teacher divides the ribbon evenly among the students. how many ribbons will each student have write a expression using brackets then

    asked on November 16, 2016
  18. 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

    asked on July 18, 2011
  19. math

    it takes 3 hours for ten pumps to pump 40000l of water ino a dam. how long will it take nine pumps to pump 60000l of water into a dam

    asked on January 30, 2017
  20. 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

    asked on February 15, 2011
  21. Math

    Perform the indicated operation and simplify? (4x)/(x-2)+(8)/(x+2)

    asked on March 26, 2012
  22. Math

    Perform the indicated operation and simplify? (4x)/(x-2)+(8)/(x+2)

    asked on March 26, 2012
  23. 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

    asked on March 28, 2013
  24. Math

    How much meters are in 7 1/2centimeters

    asked on December 9, 2011
  25. 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?

    asked on July 14, 2011
  26. 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

    asked on July 9, 2011
  27. Math

    If a sphere has radius 5 m. what is the volume of the sphere?

    asked on January 17, 2011
  28. calculus

    Compute lim t→2(5t − 2 + (t^2/t − 1)).

    asked on February 8, 2010
  29. history

    when was self government establish

    asked on January 4, 2008
  30. 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.

    asked on March 31, 2007
  1. microeconomics

    the whole question didn't post, oops. What is the biggest difference between the marginal revenue curve for a monopoly and a monopolistically competitive firm? Select one: a. The MR curve is the same as the demand curve in the long run b. Because of

    posted on April 24, 2019
  2. math riddles for 7th grade

    I hate this it does not tell the answer

    posted on April 1, 2019
  3. Math

    lick it bro

    posted on February 21, 2019
  4. HELP!

    a

    posted on February 15, 2019
  5. Social Studies

    I think he cp and pt

    posted on February 4, 2019
  6. English

    thanks so much

    posted on November 19, 2018
  7. Social Studies/ History

    thx!!!!!!! i got 100

    posted on October 28, 2018
  8. math

    no

    posted on January 30, 2018
  9. Language Arts

    its badc trust me guys you will never know me is 100 percent WRONG

    posted on October 12, 2017
  10. History8

    true

    posted on September 14, 2017
  11. math/ratio tables

    18

    posted on October 4, 2016
  12. 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

    posted on March 19, 2015
  13. 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

    posted on March 19, 2015
  14. 4th grade

    Butt

    posted on February 5, 2015
  15. Anthropology

    b d

    posted on November 26, 2014
  16. Biochemisty

    Yuh

    posted on November 13, 2014
  17. math

    i no

    posted on March 10, 2014
  18. science

    m

    posted on February 27, 2014
  19. 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?

    posted on March 28, 2013
  20. unit rate

    112/8=14

    posted on April 5, 2011
  21. 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

    posted on February 15, 2011
  22. stoichiometry

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

    posted on September 11, 2009
  23. 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

    posted on September 11, 2009
  24. Chemistry II

    (NH4)3PO4 has 3 NH4 ions and 1 PO4 ions. Add them together to get i = 4

    posted on September 9, 2009