Oil has a density ρ of 860kg/m3. an oil droplet is suspended between two plates 1.0cm apart by adjusting the potential difference between them to 1177v. when the voltage is removed, the droplet falls and quickly reaches constant speed. it is timed with a stopwatch and falls 3.00mm in 7.33s. the viscosity of air is 1.83×10−5kg/m⋅s. what is the droplet's charge q?
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An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)
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Oil has a density ρ of 860kg/m3. an oil droplet is suspended between two plates 1.0cm apart by adjus...
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