Calculate minimum power required by freezer in kw
At steady state a commercial freezer maintains its interior temperature of -30F by rejecting heat to the surroundings at a rate of 2 kW. If the ambient temperature is 25C, calculate the minimum power (work) required by the freezer in kW.
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The mean score of the overall population of high school seniros is known to be 455 with a standard deviation of 100. the mean score for thsoe who took the course was 500. Compute the effect size of the new preparatory course?
An ideal gas has a temperature-independent molar specific heat cv at constant volume.Let gama=cp/cv denote the ratio of its specific heats.The gas is thermally insulated and is allowed to expand quasi-staically from an initial volume Vi at tempert
According to the electric bill, the heat pump utilizes 3,000 kW*h per month (30 days). Calculate: (a) The amount of heat the pump captures from the ambient air over that period of time in kJ.
Has a capacity of 2,000cm^3. The box is made of 2 materials, where the material for top and bottom costs twice as much as the material for both sides of the box. Calculate the most economical proportions for the box.
At steady state a commercial freezer maintains its interior temperature of -30F by rejecting heat to the surroundings at a rate of 2 kW.
In a Young's double-slit experiment the wavelength of light used is 463 nm (in vacuum), and the separation between the slits is 1.7 × 10^-6 m. Determine the angle that locates
Entries for Sale of Fixed Asset Equipment acquired on January 5, 2009, at a cost of $380,000, has an estimated useful life of 16 years, has an estimated residual value of $40,000.
In a Young's double-slit experiment the separation distance y between the second-order bright fringe and the central bright fringe on a flat screen is 0.0175 m, when the light has a wavelength of 425 nm.
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