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The excess pressure inside a bubble (discussed in Chapter 1) is known to be dependent on bubble radius and surface tension. After finding the pi terms, determine the variation in excess pressure if we (a) double the radius and (b) double the surface tension.
Write down a formal expression for the partition function of this system. You do not have to evaluate any sums or integrals that appear in your expression for this part of the problem.
0.75 kg of Refrigerant 134-a is compressed in a compressor from 160 kPa and -10°C to 1.2 Mpa and 50°C, steadily. Determine the change in flow exergy of the refrigerant during this process, if the environment is at 100 kPa and 25°C.
A quantity of air undergoes a thermodynamic cycle consisting of three internally reversible processes in series. adiabatic expansion to the initial state
two infinite black plates of 600 and 100 degrees celcius exhange heat by radiation. calculate the heat transfer rate
Assume elastic deformation and that Hooke's law holds. Derive an expression for the ratio of the axial strain to the axial stress, εa/σ a, in the gummite in terms of the Young's modulus, E, and Poisson's ratio,υ, of the gummite.
If the deflection of the gae fluid height, h, is 2 inches find the 1) velocity of the jet air and 2) the force exerted on the disk by the air.
a small experimental rocket which has a mass of 70 kg is accelerated at a rate of 6 ms2. determine the total force
That certain site has an elevation of 95.0' but a 96.5' floor elevation is required. The bottom of the 6" slab is 7.0" higher than the bottom of the continuous 48" wide by 2.0' deep footing: There is a 3" sand bed beneath the slab and a 9" gravel ..
the service life of a battery used in a cardiac pacemaker is assumed to be normally distributed. a random sample of 10
a light fixture holds two lightbulbs. bulb a is of a type whos lietime is nomally distributed with mean 800 hours and
what two maintained tools will hurt an automotive technicians on the job performance?
water at standard atmospheric pressure and temperature fills a sealed rigid container. if the temperature of the water
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