Sunday
August 31, 2014

Posts by jeje


Total # Posts: 9

physics
A swimmer is capable of swimming 0.95 m/s in still water. (a) If she aims her body directly across a 150-m-wide river whose current is 0.65 m/s, how far downstream (from a point opposite her starting point) will she land?
September 20, 2012

Chemistry
1. A bottle of juice at room temperature is placed in a bucket of ice inside a box. The box, bottle, and bucket of ice represent a closed system. Which of the following statements is true? (2.0 points) (Points : 2) Heat flows from the ice to the juice while the total energy of...
March 14, 2011

chemistry
I dont get this question. Are there more details???
May 27, 2010

Healthcare
In what ways do health care expenses affect an economy? What are the economic advantages to government involvement in health care? What are the economic disadvantages? What are some ways of curbing the negative affect of rising health care costs on an economy?
April 27, 2010

science
in atoms and molecules , wat type of molecule does C2H5OH make?
September 6, 2009

race
prepare a 1400- to 1750- words autobiographical research paper that analyzee the infuences of race as it relates to your community
November 16, 2007

half-life
U-238 has a half-life of 4.46 x 109 years. Estimates of the age of the universe range from 9 x 109 years to 23 x 109 years (Cauldrons in the Cosmos: Nuclear Astrophysics, C.E. Rolfs and W.S. Rodney, Univ. of Chicago, 1988, p. 477). What fraction of this isotope present at the ...
February 7, 2007

half-life
Rn-222 has a half-life of 3.82 days. How long before only 1/16 of the original sample remains? Solution: recognize 1/16 as a fraction associated with 4 half-lives (from (1/2)4 = 1/16) 3.82 days x 4 = 15.3 days
February 7, 2007

imperative sentence
what is the imperative sentence
October 18, 2006

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