Popular questions and responses by Min
  1. Physics

    A bullet is fired horizontally from the roof of a building 100 meters tall with a speed of 850 m/s. Neglecting air resistance, how far will the bullet drop in 3 seconds? 1 29.4 m 2 44.1 m 3 100 m 4 2550 m Answer should be choice 2) 44.1m BUT I DON'T GET

    asked on November 21, 2006
  2. Chemistry

    Lithium has 2 isotopes. The relative atomic masses are 6.02 and 7.02. The average relative atomic mass of lithium is 6.94. What is the calculated relative abundance of the lighter isotope?

    asked on September 30, 2017
  3. Chloral Hydrate

    What is the molar mass of chloral hydrate and how many moles of C2H3Cl3O2 molecules are in 500 g chloral hydrate. Also, what is the mass in grams of 2.0 x 10^-2 mol chloral hydrate? Molar mass? You can add them up. Starting at the left, 2 carbons, three H,

    asked on December 5, 2006
  4. Math

    What is the volume of the solid figure

    asked on April 17, 2019
  5. English

    what is a great hook starter for a rollercoaster essay?

    asked on October 15, 2018
  6. math

    A cake calls for 1/4 lb of butter. How much butter is needed to make 15 such cakes?

    asked on January 12, 2017
  7. chemistry

    A student measures the conductivity of a KNO3 solution and determines it to be a strong electrolyte. the student incorrectly lists the species in solution as KNO3,K+, NO3. Give the correct list of species in solution? Please help I am lost

    asked on November 30, 2012
  8. chemistry

    I need the pre lab anwsers to 22, I have been studying for a test and have not finished them

    asked on November 30, 2012
  9. Physics

    A 90N dog climbs up a non-uniform (lambda = Cx^(3/2)), 100N ladder. The top of the ladder rests on the top of a frictionless fence that is 3m high and forms a 30 degree angle with the ground, which is rough and has a coefficient of friction of 0.60. How

    asked on November 27, 2012
  10. physics

    A NON-UNIFORM board of length L and mass M has a center of mass at 5/6L. If the fulcrum is placed at the center of the board and a block of mass m is placed at the right of the board, then where must a block of mass 3m be placed to balance the board? I

    asked on November 15, 2012
  11. Pre- Cal

    How long, to the nearest year, will it take me to become a millionaire if I invest $1000 at 10% interest compounded continuously? I got 70 years, but it is wrong. I used the P (1+ (r/m))^mt Thank you.

    asked on February 27, 2012
  12. Physic

    A car starts from rest on a curve with a radius of 160 and accelerates at 1.40 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.70 ?

    asked on October 12, 2010
  13. Physic

    A car starts from rest on a curve with a radius of 160 and accelerates at 1.40 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.70 ?

    asked on October 12, 2010
  14. math

    Suppose that f(t)is a function for which f(80)=8.7and f'(80)=-2.2. Use this information to estimate the following. Round your answer to one decimal place. f(80-1)

    asked on October 5, 2010
  15. History US

    What was Hamilton's economic plan..? why didn't people like it?

    asked on December 3, 2008
  16. algebra- integer problems

    Hi! i have this problem, I'm stuck on. it says find 2 consecutive multiples of 9 whose sum is -153. I started of my saying the 1st number is 9x and the 2nd is 9x+9. I continued on to get, 9x+(9x+9)=-153 and solved it. I got an irrelevant answer: -9. I was

    asked on November 14, 2007
  17. debate

    1. In your experience, is Christmas “taboo” in public schools? How is Christmas treated at your school? Do you think your school has gone too far to be politically correct during the holidays? 2. Do you think there really is a “war on Christmas?”

    asked on August 20, 2007
  18. Algebra

    How would you prove this theorem: The column space of an m x n matrix A is a subspace of R^m by using this definition: A subspace of a vector space V is a subset H of V that has three properties: a) the zero vector of V is in H. b) H is closed under vector

    asked on June 19, 2007
  19. Energy

    174520 = (massboiled) (2260) .1716 = massboiled so .1716? Suppose a burner transfers 325 kJ of energy to 450 kg of liquid water at 20 C degrees. What mass of the water would be boiled away? The first energy going in heats the water: energy=mass*c*(100-20)

    asked on December 17, 2006
  20. Lead Chloride

    Is the empirical lead chloride formula Pb2Cl or PbCl2? http://en.wikipedia.org/wiki/Lead(II)_chloride

    asked on December 15, 2006
  21. Chem

    How many chlorine atoms are in 5.0 g of C2H3Cl3O2? What mass of C2H3Cl3O2 would contain 1.0g Cl? There are 6.02 x 10^23 atoms in a mole of anything. Calculate the molar mass of your compound, that mass will contain 6.02 x 10^23 molecules of that material

    asked on December 9, 2006
  1. Math Order of operation


    posted on March 26, 2020
  2. Math

    How did you get 60 inches?

    posted on August 26, 2019
  3. math

    The answers 729.

    posted on January 8, 2019
  4. English

    I already wrote the rest i am just revising

    posted on October 15, 2018
  5. phy


    posted on September 3, 2017
  6. physics


    posted on March 24, 2015
  7. chemistry

    will you please list a exsample

    posted on November 30, 2012
  8. Physics

    Yes, it does have to do with the weight distribution. I'm confident with the 4.29 so up to here is all I need. Thank you for your help!

    posted on November 27, 2012
  9. Physics

    So for the equation for the total, would this be correct? (100)(4.29)cos30 - (90)(x)cos30 + (114)(6)sin30 = 0

    posted on November 27, 2012
  10. physics

    Gotcha, thank you!

    posted on November 15, 2012
  11. math

    Your brother traveled 117 miles in 2.25 hours to come home for christmas. What' the average speed that he was traveling?

    posted on December 16, 2010
  12. math correct or not correct

    10 1/2 - 8 5/8 = 21/2 - 69/8 Take L.C.M = 8 84 - 69 /8 = 15/8 = 1 7/8 or 1.8

    posted on October 20, 2010
  13. grammar

    E. no one's surprise is the correct one

    posted on October 20, 2010
  14. science

    In an experiment a variable can change.

    posted on October 20, 2010
  15. science

    Food, shelter, water and air

    posted on October 20, 2010
  16. number patterns

    1st day = 4 2nd day = 8( double of 4) 3rd day = 16 ( double of 8)

    posted on October 20, 2010
  17. English grammar

    It is a relative adverb. .Whether a "wh-word" functions as a relative pronoun or a relative adverb is determined by its function in the subordinated relative clause.

    posted on October 20, 2010
  18. History US

    like what are the pros and cons?

    posted on December 3, 2008
  19. algebra- integer problems

    whoops... hehe sorry. I forgot about the "pluging in" :D thanks for the help

    posted on November 14, 2007