Friday
April 25, 2014

Posts by TITA


Total # Posts: 10

stats
two factor ANOVA indep measures exper. 2 level factor A 3 level factor B n=5 in each treatment SS df ms between 240 5 factor A ? 1 ? Fa=24 factor B ? 2 ? AxB 60 2 30 within ? 24 5 are this answers right for SS A=120 B=80 w/I=120

stats
sample of n=64 scores is obtained from population with standard deviation =15 sample mean is 10 pts greater than the poulation mean what is zscore for sample mean

Physics
If a sample of a radioactive isotope has a half-life of 5 year(s), how much of the original sample will be left at the end of the second year? How much will be left at the end of the third year of thr original sample? How much will be left at the end of the fourth year of the ...

Physics
The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different ways. As stated on the applet page, sodium has a work function of 2.75 eV. In class, we discussed how to determine what that work function was...

Physics
What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/9 the speed of light?

PHYSICS
72.9%

PHYSICS
No glass is perfectly transparent. Mainly because of reflections, about 90% of light passes through an average sheet of clear windowpane. The 10% loss is not noticed with a single sheet, but with several sheets it is apparent. How much light is transmitted by three sheets?

math
What might you have if you don't feel well?

science I NEED HELP....WORTH 45%OF MY GRADE
wat is blasstoff like???? earth's orbit???????? wat do they do to stay healthy???? wat type of exercise do they do????? effect on weightlessness?????? atmosphere of the moon???? lunar soil adn craters???? transportation on the moon???????? science experiments??????? reentr...

science
i need help what do astronauts eat, drink when in space???? sanitation??? health???? exercise??? sleep?????how do they do all of this http://www.pbs.org/spacestation/station/living_sanitation.htm

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