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1 select four variables that could be measured by nominal ordinal interval and ratio scale classify them by measurement
obtain an expression for the volume charge density rhor associated with a non-uniform polarization pr in a dielectric
the specific heat of air at constant volume is 0175 calgm deg celsiusa by how much does the internal energy of 5 gm of
you can estimate the distance to a lightning flash by counting the seconds that elapse between the time you see the
the otto-cycle of a certain car has a compression ratio r85 the fuel economy rating of this car is 25 miles per gallon
you are investigating the report of a ufo landing in an isolated portion of new mexico and encounter a strange object
1 assume that the outer ear canal is a cylincrical pipe 3 cm long closed at one end by the eardum calculate the
question a radio tuning circuit contains an rlc circuit with r50 ohms and l28 micro-ha what capacitance is needed to
1the q-factor of a resonance circuit is defined as the ratio of the voltage across the capacitor or inductor to the
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a simple harmonic oscillator of mass m and natural frequency omegao experiences an oscillating driving force ftm a
an insulated frame wall of a house has an average thermal conductivity of 00318 btuh-ft2-r degrees the wall is 6 in
two 800-kg cars moving at a velocity of 90 kmh have a head-on collision on a road both cars come to a complete rest
1 calculate the impedance xr of r 100omega at f 6 hz 60 hz and 600 hz2 calculate the impedance xc of c 100muf at f
air from inside a house enters a steady-flow heat exchanger with a volume flow rate of 200 m3min at 15degc 100kpa and
as a patent agent an inventor comes to you claiming that he has invented a self-powered engine that requires no fuel to
1 suppose you place a speaker in front the open end of a tube which is closed at the other end and vary the frequency
a combined air filled spring loaded cylinder has a frictionless piston of area 0012 m2 that rests against the spring
1 for a particular tube there are six harmonic frequencies below 1000 hz four of these are 300hz 600hz 750hz and 900hz
distinguish between reversible and irreversible processes in thermodynamics describe the circumstances under which a dq
1 find a formula for the harmonic frequencies fn for a pipe open at only one end based on vflamda and the formula we
1 a 70 kg ancient statue lies at the bottom of the sea fresh water its volume is 30104 cm3a how much force is required
in our cheme lab we were asked to place a 25 cm x 25 cm x 1 cm thick block of wood in a water baththe rate of water
problem 1 can only be solved per unit mass- eg work per unit mass volume per unit mass since there is not enough info
1use the second law of thermodynamics to explain why many poor people in developing countries live on a mostly