You throw a ball straight up with an initial velocity of 14.3 m/s. on the way up it passes a tree branch at a height of 7.8 m. how much additional time will pass before the ball passes the tree branch on the way back down? numeric: a numeric value is expected and not an expression. t =
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Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
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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, 23.06.2019 01:30, Kekkdkskdkdk
Ionic compounds can be readily dissolved in water because the high dielectric constant of water screens and decreases the force between the oppositely charged ions.
Answers: 3
You throw a ball straight up with an initial velocity of 14.3 m/s. on the way up it passes a tree br...
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