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Sunday, November 7, 2010
Ch 11_1 #2
Think what makes the water raise in the straw? What pressure is needed to maintain that?
3 comments:
Anonymous
said...
i dont really know what to do for this is it beyond lecture like pg 15? And where does the units Kpa come from
kPa is 10^3 Pa or 1000 Pa i.e. kilo is 10^3. We covered this is class - this basically finding the gauge pressure. Think what pressure is inside the mouth higher or lower than atmospheric? By what amount?
3 comments:
i dont really know what to do for this is it beyond lecture like pg 15? And where does the units Kpa come from
kPa is kill Pascal.
kPa is 10^3 Pa or 1000 Pa i.e. kilo is 10^3. We covered this is class - this basically finding the gauge pressure. Think what pressure is inside the mouth higher or lower than atmospheric? By what amount?
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