Min
Popular questions and responses by Min
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 
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 
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 
Math
What is the volume of the solid figure
asked on April 17, 2019 
English
what is a great hook starter for a rollercoaster essay?
asked on October 15, 2018 
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 
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 
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 
Physics
A 90N dog climbs up a nonuniform (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 
physics
A NONUNIFORM 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 
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 
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 
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 
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(801)
asked on October 5, 2010 
History US
What was Hamilton's economic plan..? why didn't people like it?
asked on December 3, 2008 
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 
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 
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 
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*(10020)
asked on December 17, 2006 
Lead Chloride
Is the empirical lead chloride formula Pb2Cl or PbCl2? http://en.wikipedia.org/wiki/Lead(II)_chloride
asked on December 15, 2006 
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

Math Order of operation
1000
posted on March 26, 2020 
Math
How did you get 60 inches?
posted on August 26, 2019 
math
The answers 729.
posted on January 8, 2019 
English
I already wrote the rest i am just revising
posted on October 15, 2018 
phy
5600
posted on September 3, 2017 
physics
0,34s
posted on March 24, 2015 
chemistry
will you please list a exsample
posted on November 30, 2012 
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 
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 
physics
Gotcha, thank you!
posted on November 15, 2012 
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 
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 
grammar
E. no one's surprise is the correct one
posted on October 20, 2010 
science
In an experiment a variable can change.
posted on October 20, 2010 
science
Food, shelter, water and air
posted on October 20, 2010 
number patterns
1st day = 4 2nd day = 8( double of 4) 3rd day = 16 ( double of 8)
posted on October 20, 2010 
English grammar
It is a relative adverb. .Whether a "whword" functions as a relative pronoun or a relative adverb is determined by its function in the subordinated relative clause.
posted on October 20, 2010 
History US
like what are the pros and cons?
posted on December 3, 2008 
algebra integer problems
whoops... hehe sorry. I forgot about the "pluging in" :D thanks for the help
posted on November 14, 2007