Apiece of glass with a flat surface is at the bottom of a tank of water. if a ray of light traveling in the glass is incident on the interface with the water at an angle with respect to the normal that is greater than 50.0 ∘ , no light is refracted into the water. for smaller angles of incidence, part of the ray is refracted into the water. if the light has wavelenght 408nm in the glass. what is wavelength of the light water?
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Physics, 21.06.2019 22:00, sophiamoser
In a wind tunnel the speed changes as the cross sectional area of the tunnel changes. if the speed in a 6' x 6' square test section is 100 mph, what was the speed upstream of the test section where the tunnel measured 20' x 20'? use conservation of mass and assume incompressible flow. conservation of mass requires that as the flow moves through a path or a duct the product of the density, velocity and cross sectional area must remain constant; i. e., that ova-constant. a model is being tested in a wind tunnel at a speed of 100 mph if the flow in the test section is at sea level standard conditions, what is the pressure at the model's stagnation point? (a) the tunnel speed is being measured by a pitot-static tube connected to a u- tube manometer. what is the reading on that manometer in inches of water? (b) at one point on the model a pressure of 2058 psf is measured. what is the local airspeed at that point?
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Physics, 22.06.2019 13:30, basketking333
Select the three ways that the parallel-plate capacitor differs from a car battery.
Answers: 1
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