Friday
July 31, 2015

Posts by Melanie


Total # Posts: 224

conservation of momentum
However there was a gain of momentum in the experiment, so what would that mean, that i put too much force on the pucks?
November 30, 2008

conservation of momentum
If you have two pucks elastically collide on an air table, and then analyze the momentum vector diagram of the situation, you encounter an increase in momentum. What are possible reasons as to why there was a gain of momentum. Note: Both pucks were pushed from the end of the ...
November 30, 2008

SOC
I am having a hard time finding sources on juvenile crime (delinquency) in Chicago. Thank you
November 24, 2008

art
What exactly are modern and contemporary art? For school, I have to paint a piture that relates to a certain part of speech as well as a certain type of art era/period. I'm almost finished, so now i just want to know how to EXPRESS modern or maybe even contemporary art in ...
November 21, 2008

Chemistry
Hi can someone please help with this question, or atlest direct me in the right direction. Please and thank you. The initial rate of reaction H2O2(aq) --> H2O (l) + 1/2 O2(g) is found to be1.7*10^-3 M/s . Assume that this rate holds for 2 minutes. Start with 165ml of 1.55M ...
November 20, 2008

social studies
why does America get lots of energy, while older countries get less?
November 18, 2008

Chemistry
How do you determine what ionic substance has more exothermic lattice energy? for example if you compare NaCl and KCl???
November 4, 2008

Science
What is the relevance of Lysis, virion and virology in the study of viruses
October 2, 2008

Oceanography
If the chlorinity of a sample of seawater is 5.5 0/00, what is the salinity in parts per thousand? Round your answer to the nearest tenths place. Basically, if ANYONE...knows anything about how to do this, or knows the answer or any information that could help me...I have no ...
September 24, 2008

english
What is a frame story
September 10, 2008

Math integrals
What is the area of the region bounded by y=x^2, the tangent to this parabola at (1, 1) and the x-axis? Since it says that the parabola passes through 1,1 can I assume that the line is y = x or is that completely wrong? Doing that I got ∫ x - x^2 dx (where the interval ...
August 15, 2008

science
What did Boyle have available, which the Greeks did not, that made his work scientifically valid?
August 14, 2008

Hypothesis Testing/P-Value
Listed below are the # of homeruns for the National League leader over the last 20 years. Assuming that # of homeruns is normally distributed, if this is sample data collected from a population of all past & future homerun leaders, test the claim that the mean homerun leader ...
June 22, 2008

Statistics: 82% Confidence Interval
Thank you - that helped a lot!
June 22, 2008

Statistics: 82% Confidence Interval
I'm having some difficulty with this problem: Over the last 15 Major League Baseball seasons, the mean # of strikeouts by the American League leader is 258.5. Assuming that the # of strikeouts by the league leader is normally distributed & the standard deviation for all ...
June 22, 2008

Statistics/Confidence Intervals
Over the last 15 Major League Baseball seasons, the mean # of strikeouts by the American League leader is 258.5. Assuming that the # of strikeouts by the league leader is normally distributed and the st. dev. for all seasons in all leagues is 34.9, find the 82% Confidence ...
June 21, 2008

Confidence Intervals
Over the last 15 Major League Baseball seasons, the mean number of strikeouts by the American League leader is 258.5. Assuming that the number of strikeouts by the league leader is normally distributed and the standard deviation for all seasons in all leagues is 34.9, find the...
June 20, 2008

Applied Dog Behavior
The answer is C. FYI Poodles don't chase rabbits.
June 20, 2008

dog behavior
The answer is B, an extinction burst.
June 10, 2008

poetry
i dont get it, why can´t u gost write somthing not so comfusing
March 18, 2008

Biology
I am doing a worksheet on organelles. But I can't find the word for this definition: hairlike structures with the capacity for movement. What would be the organelle for this definition?
March 18, 2008

Logarithms
How do you solve 4 to the power of 2-6x = 812? I can't find a common number that raised to a power equals 812.
January 29, 2008

math
lim (x^250-1)/(x-1) x->1
November 6, 2007

LORD OF THE FLIES
answer for(imagine you are Ralph and you have discovered that you are on an island without any adults,write your thoughts.)//from chapter 1 to chapter2 //lord of the flies// by William Golding.
April 24, 2007

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