Physics, 20.02.2021 01:00 laurydamas2002
A remote control cars wheels initially rotate every 0.57 seconds. It the goes for 3 complete turns. What is the wheels angular speed?
Answers: 2
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 20Ć¢Ā°c throughout the year, while the walls of the room are nominally at 27Ć¢Ā°c and 14Ć¢Ā°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 32Ć¢Ā°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 Ć¢ā¹ā¦Ć¢ā¹ā¦ 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
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Physics, 22.06.2019 04:00
The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane
Answers: 2
Physics, 22.06.2019 07:30
Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.
Answers: 2
Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( Ļ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
A remote control cars wheels initially rotate every 0.57 seconds. It the goes for 3 complete turns....
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