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as a pickup truck total mass of 2500 kg including fuel and driver approaches a rise in an otherwise flat road the
montgomery burns is injecting carbon dioxide into the atmosphere on a cold winter day in an attempt to make the climate
a low pass butter worth filter has a corner frequency of 1 khz and a roll-off of 24 db per octave in the stop band if
research and explain the difference between phase change via evaporation and phase change via boiling name one device
a certain metal alloy has body centered cubic crystal structure it has an average atomic weight of 712 amu and the
a body whose surface area is 05 m2 emissivity is 08 and temperature is 150c is placed in a large evacuation chamber
fish swimming above a dam may be up to 260 feet beneath the surface of the lake what ambient pressure change would a
a cylindrical wooden storage vat has a 20 ft outside diameter it is filled with 24 feet of brine with a specific
the inner and outer surfaces of a 5 mm window glass are maintained at 10degc and 3degc what is the amount of heat
air at 35 c 1 atm and 50 relative humidity enters a dehumidifier operating at steady state saturated moist air and
consider an engine cover that is made with two layers of metal plates the inner layer is stainless steel k1 14 wmk
a sandbag is dropped from a balloon which is ascending vertically at a constant speed of 6ms if the bag is released
the ternary system mgo-al2o3-sio2 contains the important low thermal expansion compound cordierite mg2 al4 si5 o18 how
the homogeneous gate with mass m length l width b and thickness t is used to regulate the height h of the water in a
the refrigerant r-410a is contained in a piston-cylinder device as shown in the figure where the volume is 13 l when
titanium is stiffer than aluminum has a lower thermal expansion coefficient than aluminum and has a higher melting
a gas is contained in a piston of 5 m3 at 100 kpa then the gas is compressed till its volume is reduced to 25 m3 if
an air-conditioner using r-134a as the working as the working fluid maintains a space at a constant temperature of 23
outdoor air leaks into a building through cracks in the walls at the rate of 700 m3h this is infiltratation the outside
the professor takes a 3 liter empty can and fills it with saturated water vapor at 100 deg c 1 atm he seals the can and
the long bolt passes through the 4 in thick plate if the force in the bolt shank is 50 lb determine the average normal
as a game slide a matchbook across a table trying to make it stop at some predefined point on each attempt measure the
a pump is used to raise the pressure of water from 0 psig to 55 psia how much power in kw will be required to pump
the tasty morsels chocolate company tracks the amount of chocolate found in its chocolate bars the target is 26 grams