A freezer has a coefficient of performance of 6.30. The freezer is advertised as using 495 kW-h/y. Note: One kilowatt-hour (kW-h) is an amount of energy equal to operating a 1-kW appliance for one hour. (a) On average, how much energy does the freezer use in a single day? 1.356 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J (b) On average, how much thermal energy is removed from the freezer each day? 0.215 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J (c) What maximum amount of water at 21.0°C could the freezer freeze in a single day? (The latent heat of fusion of water is 3.33 x 105 J/kg, and the specific heat of water is 4186 J/kg. K.) kg

A freezer has a coefficient of performance of 6.30. The freezer is advertised as using 495 kW-h/y. Note: One kilowatt-hour (kW-h) is an amount of energy equal to operating a 1-kW appliance for one hour. (a) On average, how much energy does the freezer use in a single day? 1.356 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J (b) On average, how much thermal energy is removed from the freezer each day? 0.215 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J (c) What maximum amount of water at 21.0°C could the freezer freeze in a single day? (The latent heat of fusion of water is 3.33 x 105 J/kg, and the specific heat of water is 4186 J/kg. K.) kg

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter14: Fluid Mechanics

Section: Chapter Questions

Problem 14.46P: Water falls over a dam of height h with a mass flow rate of R, in units of kilograms per second. (a)...

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