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consider a refrigerator whose dimensions are 18 m x 12 m x 08 m and whose walls are 3 cm thick the refrigerator
consider a flat-plate solar collector placed on the roof of a house the temperatures at the inner and outer surfaces of
consider a house in atlanta georgia that is maintained at 22degc and has a total of 20 m2 of window area the windows
a 50-cm-long 2-mm-diameter electric resistance wire submerged in water is used to determine the boiling heat transfer
the force f of the wind blowing against a building is given by where v is the wind speed rho the density of the air a
the volume rate of flow q through a pipe containing a slowly moving liquid is given by the equationwhere r is the pipe
a tank of oil has a mass of 25 slugsa determine its weight in pounds and in newtons at the earths surfaceb what would
1 a certain object weighs 300 n at the earths surface determine the mass of the object in kilograms and its weight in
1 estimate the number of pounds of mercury it would take to fill your bathtub list all assumptions and show all
1 obtain a photographimage of a situation in which the viscosity of a fluid is important print this photo and write a
1 nitrogen is compressed to a density of 4 kgm3 under an absolute pressure of 400 kpa determine the temperature in
develop a computer program for calculating the density of an ideal gas when the gas pressure in pascals 1abs2 the
1 a tire having a volume of 3 ft3 contains air at a gage pressure of 26 psi and a temperature of 70 degf determine the
the helium-filled blimp shown in fig p152 is used at various athletic events determine the number of pounds of helium
1 a rigid tank contains air at a pressure of 90 psia and a temperature of 60 degf by how much will the pressure
clouds can weigh thousands of pounds due to their liquid water content often this content is measured in grams per
1 obtain a photographimage of a situation in which the density or specific weight of a fluid is important print this
the sled shown in fig p177 slides along on a thin horizontal layer of water between the ice and the runners the
there are many fluids that exhibit non-newtonian behavior see for example video v16 for a given fluid the distinction
for a parallel plate arrangement of the type shown in fig 15 it is found that when the distance between plates is 2 mm
a catcher gives with the ball when he catches a 0237 kg baseball moving at 286 ms if he moves his glove a distance of
suppose 0917g of sodium chloride is dissolved in 100ml of a 540mm aqueous solution of silver nitrate calculate the
an 8000 m3 lake has a ph of 4 for this problem assume no water is added or withdrawn from the lakea what is the
will we have enough affordable energy in the near future what will we do for the long term the us energy information
urinary tract infectionsurinary tract infections utis are caused by bacteria-most often escherichia coli however