Dievsky V.A - Solution of problem D7 variant 14 task 2
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The mechanical system is supplied with a weightless viscous dampener, which is installed at point B parallel to the axis of the elastic element, and creates a resistance force proportional to the speed of point B: R = -bvB, where b = 20 Ns / m is the coefficient of resistance. In addition, the force acting on the system is F = F0 sin pt, where F0 = 60 N, p = 25 s-1 is the amplitude and frequency of the driving force. The driving force is applied at point B and acts parallel to the axis of the elastic element. (If point B coincides with point A, the scheme indicates B = A). It is required to determine the amplitude of the purely forced oscillations of the system.
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- Updated on the site 28.12.2017
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Dievsky V.A - Solution of problem D7 variant 14 task 2
Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
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