Thursday

May 28, 2015

May 28, 2015

Total # Posts: 223

**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*