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Determine the period of free vertical vibrations of a load of mass m = 80 kg, which is attached to the spring with a stiffness coefficient c = 2 kN / m. (Answer 1.26)
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- Added to the site 31.05.2017
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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: %