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a house has well-insulated walls 171 cm thick assume conductivity of air and area 386 m2 a roof of wood 620 cm thick
a 40 g block of ice is cooled to -78 degrees c and is then added to 560 g of water in an 80 g copper calorimeter at a
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dry air will break down and generate a spark if the electric field exceeds about 295 x 106 nc how much charge could be
1 an ice chest is maintained at 0 degrees celsius by ice placed in it the chest is cubical with each inside wall having
consider the space region bounded below by the right angled cone zsqrtx2y2 and above by the spherex2y2z22these two
question 1 the figure below is a plot of fahrenheit temperature versus celsius temperaturea is the value of the
1 a heated copper wire 1 mm in diameter is in a pool of water at 1 atm what is the maximum heat flux qamaxthe
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the bottom of a steam kettle made of steel is 15mm thick and has an area of 015m2 the water in the kettle is at 100
one type of steel has a density of 8000 kgm3 and a breaking stress of 71times108 nm2 a cylindrical guitar string is to
what are the differences between a pasteurization b commercial sterilization and c ultrahigh temperature processing
a what change in magnetizing force is required to decrease the flux density of magnetic material from a saturation in
when the hot water in a certain upstairs bathroom is turned on a series of 18 ticks is heard as the copper hot-water
1consider two infinite parallel plane conducting plates of finite thickness with separation d suppose a charge density
a monatomic ideal gasy167 is contained within a box whose volume is 25 m3 the pressure of the gas is 35 x 105 pathe
the magnetic circuit shown in figure below is built up of solid iron cross section 1x1cm2 each air gap is 1 mm wide for
1 you take a 50 g glass coffee mug from the dishwasher following the dry cycle you use a dishcloth because the
1 probable energy states for molecules at room temperaturea suppose we have an system that has the following allowed
1 an enclosed transformer has four wire leads coming from it how could you determine without taking the transformer
1 there is a temperature for which the numerical values of degrees fahrenheit and degrees celsius are equal enter that
a single-phase transformer is rated 100kva 2200440 volts when carrying rated current with the low voltage terminals
purposethis experiment was designed to understand the absorption of heatequipment setup1 glass container4 sheets of
1 a certain string on a piano is tuned to produce middle c f 26163 hz by carefully adjusting the tension is the string