Solution of the D 7 (reference 1) Option 25 Dievskaya V
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D7 ACTIVITY 1 - FREE VIBRATIONS: To shown in Scheme 1-30 mechanical systems to determine the natural frequency of oscillation. Mechanical systems shown in the diagrams in the equilibrium position, can perform free oscillations, rotating around a horizontal axis z, passing through the fixed point O. systems consist of rigidly connected with one another telephone: thin homogeneous cores 1 and 2 or the homogeneous plate 3 and point loads 4. The weight of 1 m length of the rods is 25 kg, the weight of 1 m2 plate - 50 kg, the weight of the point of cargo - 20 kg. Elastic elements have stiffness coefficient c = 10 kN / m. Dimensions cha stey system shown in meters.
Solution 1 job tasks D7 scheme №25
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- Updated on the site 03.05.2016
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The task is made in the format word (typed or hand-written decision in a Word), packed to the archive zip (open on any PC).
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Solution of the D 7 (reference 1) Option 25 Dievskaya V
Cumulative discount
| 250 $ | the discount is 15% |
| 50 $ | the discount is 10% |
| 30 $ | the discount is 7% |
| 15 $ | the discount is 5% |
| 5 $ | the discount is 3% |
| 3 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
Cumulative discount
| 250 $ | the discount is 15% |
| 50 $ | the discount is 10% |
| 30 $ | the discount is 7% |
| 15 $ | the discount is 5% |
| 5 $ | the discount is 3% |
| 3 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
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