Physics, 13.07.2019 22:10 babysitterwick
The dynamic behavior of polymeric composites (e. g. block copolymers and blends) is sometimes explained with the of simple models. consider two such models. both consist of two bars of identical volumes, one a glass polymer, one a rubber at room temperature, glued. in model a the bars are parallel, while in model b they are in series. these models are sinusoidally deformed with constant strain amplitude. sketch the expected dependence of e’, e”, and tanδ for both models with respect to temperature or frequency. your temperature range should include glass transition temperatures of both components
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Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
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Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 05:30
The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin
Answers: 3
Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
The dynamic behavior of polymeric composites (e. g. block copolymers and blends) is sometimes explai...
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