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What is the correct formula for of the weight w of an object? assume that its mass is m, the magnitude of its acceleration is a, and the local acceleration due to gravity is g? Another question on Physics Physics, 04.02.2019 04:42
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Laser ablation is the process of removing material from a solid surface using laser radiation. one way of laser ablation is by heating up a thin surface layer of material over its melting point. assume the absorption of the incident laser power by a material creates a steadystate volumetric heat generation profile ďż˝789(ďż˝) = ďż˝=ďż˝? @â„a , where ďż˝ is the distance from the surface of the material, ďż˝= is a constant determined by the input laser power, and ďż˝ is another constant that characterizes the penetration depth of the laser power into the material. further assume the material thickness is ďż˝, and the temperature at the back surface of the material (ďż˝ = ďż˝) is maintained at ďż˝e, the environment temperature. the front surface of the material (ďż˝ = 0) is insulated to maximize the ablation efficiency. the thermal conductivity of the material is ďż˝. (a) obtain an expression of the steady-state temperature profile ďż˝(ďż˝) inside the material as a result of laser heating Physics, 31.01.2019 23:27
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What is the correct formula for of the weight w of an object? assume that its mass is m, the magnit...
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