July 31, 2014

Posts by jeje

Total # Posts: 9

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?

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...

I dont get this question. Are there more details???

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?

in atoms and molecules , wat type of molecule does C2H5OH make?

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

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 ...

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

imperative sentence
what is the imperative sentence

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