Physics, 05.09.2021 14:00 lordcaos066
An initially uncharged capacitor of capacitance C is fully charged by an emf V₀ which is connected in series with a resistor of resistance R. Show that both the energy stored in the capacitor and energy dissipated by the resistor are each half of the total energy supplied by the emf.
Answers: 3
Physics, 22.06.2019 00:30
In positive numbers less than 1, the zeros between the decimal point and non zero are significant
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Physics, 22.06.2019 06:20
Clothing made of several thin layers of fabric with trapped air in between, often called ski clothing, is commonly used in cold climates because it is light, fashionable, and a very effective thermal insulator. so it is no surprise that such clothing has largely replaced thickand heavy old-fashioned coats. (a) consider a jacket made of five layers of 0.1-mm-thick synthetic fabric (k = 0.13 w/m·°c) with 1.5-mm-thick air space (k = 0.026 w/m·°c) between the layers. assuming the inner surface temperature of the jacket to be 28°c and the surface area to be 1.25 m2, determine the rate of heat loss through the jacket when the temperature of the outdoors is 0°c and the heat transfer coefficient at the outer surface is 25 w/m2·°c. (b) what would your response be if the jacket is made of a single layer of 0.5-mm-thick synthetic fabric? what should be the thickness of a wool fabric (k = 0.035 w/m·°c) if the person is to achieve the same level of thermal comfort wearing a thick wool coat instead of a five-layer ski jacket?
Answers: 1
Physics, 22.06.2019 18:00
Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”
Answers: 3
An initially uncharged capacitor of capacitance C is fully charged by an emf V₀ which is connected i...
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