Saturday
October 25, 2014

Posts by Paulina


Total # Posts: 15

Physics
A diver thinks that if a typical snorkel tube of 0.13 m length works, then a tube of length 6.2 m should also work. When trying to use such a tube, what is the pressure difference between the external pressure on the diver's chest and the air pressure in the lungs of the ...
January 19, 2013

Physics
Calculate the height of the brain above the heart for an animal with an additional blood pressure of 222 mmHg in the heart. Use ρ = 1.055 g/cm3 for the density of blood.
January 19, 2013

polution
Water Pollution
November 20, 2011

physics
If a vector that is 1cm long represents a velocity of 10km/h, what velocity does a vector 2cm long drawn to the same scale represent? An airplane has an airspeed of 100km/h north. If there is a 30 km/h tailwind, what is its groundspeed?
November 9, 2011

Math
a rectangle is to be fenced with a 100 meter wire. Find the dimensions of the lot so that the area is at maximum
September 17, 2011

mcckc.edu
A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution
January 29, 2011

chemistry
Compute the boiling point of this solution 25.5g C7H11NO7S
November 22, 2010

algebra homework
Kim starts to walk 3 mi to school at 7:30 A.M. with a temperature of 0°F. Her brother Bryan starts at 7:50 A.M. on his bicycle, traveling 10 mph faster than Kim. If they get to school at the same time, then how fast is each one traveling? I have tried to answer this word ...
September 10, 2010

algebra
I need help sovling this. It is a fraction. +5/x-1 + 2-x/x I hope that you can understand what I wrote. Someone please help because I am new at this. Help!!!!
September 8, 2010

algebra
How do you factor 4u^2-w^2 because I havent been able to do it? Can someone help with this?
September 8, 2010

algebra
2x^2-2x-1=0 How do I use the quadratic formula to solve this because I am totally new at this and need help? Please show me the steps for this equation,so I will be able to do it own my own. Thank you.
September 5, 2010

chemistry
Two mercury-glass thermometer are labelled T and D respectively.On T scale, at 1 atmosphere, ice melts at -10T and pure water boils at 80T. On the D scale ice melts at 20D and pure water boils at 100D at 1 atmospheric pressure. (a) Derive an equation relating the two ...
August 10, 2010

chemistry
yes
August 9, 2010

chemistry
two mercury-glass thermometer are labelled T and D, respectively. On a T scale, at 1 atmosphere, ice melts at -10T,and pure water boils at 80T. On the D scale ice melts at 20T and pure water boils at 100T at 1 atmospheric pressure. (a) Derive an equation relating the two ...
August 9, 2010

4th grade
5+5+5+5+5+5+5+5
December 16, 2009

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