Physics, 03.09.2020 01:01 therealpr1metime45
The center C disk, radius R and weight P is located in balance on the rough horizontal surface fixed to the ground. What are the greatest horizontal forces of magnitudes F and Q applied in A and C that can act simultaneously on the disc, without it moving? The coefficient of friction between the disc and the surface is 0.5 and the vertical distance between the points of application of both forces is r.
Answers: 3
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The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?
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The center C disk, radius R and weight P is located in balance on the rough horizontal surface fixed...
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