Physics, 25.11.2021 14:00, vallhernandez13
An opaque horizontal plate is well insulated on the edges and the lower surface. The irradiation on a surface is 3000 W/m2, of which 650W/m2 is reflected. If the surface is opaque, find its absorptivity.
Answers: 1
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Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .
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Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.
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Physics, 22.06.2019 21:30, hail47
Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere
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