Physics, 28.01.2020 19:46 LuxTheGirl2543
A13 g rubber stopper is swung in a horizontal circle with a radius of 0.85 m with a period of 0.65 s. (a) how fast is the stopper moving? (b) what is the centripetal acceleration of the stopper? (c) find the centripetal force that is exerted on the stopper.
Answers: 3
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Physics, 22.06.2019 15:20
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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A13 g rubber stopper is swung in a horizontal circle with a radius of 0.85 m with a period of 0.65 s...
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