Answers: 3
Physics, 21.06.2019 22:30
Under conditions for which the same room temperature is maintained by a heating or cooling system, it is not uncommon for a person to feel chilled in the winter but comfortable in the summer. provide a plausible explanation for this situation (with supporting calculations) by considering a room whose air temperature is maintained at 20â°c throughout the year, while the walls of the room are nominally at 27â°c and 14â°c in the summer and winter, respectively. the exposed surface of a person in the room may be assumed to be at a temperature of 32â°c throughout the year and to have an emissivity of 0.90. the coefficient associated with heat transfer by natural convection between the person and the room air is approximately 2 w/m2 â‹…â‹… k. what is the ratio of the thermal resistance due to convection to the thermal resistance due to radiation in the summer? what is the ratio of thermal resistances in the winter
Answers: 1
Physics, 22.06.2019 17:00
Explain what will happen if decomposers were apsent from a forest ecoysystem.
Answers: 1
Physics, 23.06.2019 07:00
Ln finding the density of liquid why is the method of using a density bottle more accurate than the one of using a measuring cylinder
Answers: 1
Which set of terms best defines what affects kinetic energy and potential energy, respectively? Choo...
Health, 28.10.2020 05:20
Geography, 28.10.2020 05:20
Mathematics, 28.10.2020 05:20
Mathematics, 28.10.2020 05:30
English, 28.10.2020 05:30
Mathematics, 28.10.2020 05:30
Mathematics, 28.10.2020 05:30
History, 28.10.2020 05:30