Physics, 23.04.2020 00:25, tinyiaihfurlow

What are the similarities and differences between novae and supernovae?

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Physics, 22.06.2019 01:20, Kjcampbell2

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Physics, 22.06.2019 10:30, antoinewill05

J. j. thomson’s experiment disproved the theory that an atom

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Physics, 22.06.2019 15:20, mjwaple57

Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2

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Physics, 22.06.2019 17:20, Queenhagar

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy. work depends on the square of the change in potential energy. work is equal to the negative of the change in kinetic energy. work is equal to the square of the change in kinetic energy