Dievsky V.A. - Solution of task D2 variant 20 (D2-20)
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D2-20 Dievskiy
The drum, which was at rest, is driven into rotation by a constant moment M1. In this case, a moment of resistance forces arises, proportional to the angular velocity: M2 = 12ω. The drum is considered to be a uniform cylinder with a mass of 100 kg and a radius of 50 cm. Determine what should be the moment M1 so that in 2 seconds the angular velocity of the drum equals 8 rad / s.
The drum, which was at rest, is driven into rotation by a constant moment M1. In this case, a moment of resistance forces arises, proportional to the angular velocity: M2 = 12ω. The drum is considered to be a uniform cylinder with a mass of 100 kg and a radius of 50 cm. Determine what should be the moment M1 so that in 2 seconds the angular velocity of the drum equals 8 rad / s.
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- Added to the site 13.04.2021
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Dievsky V.A. - Solution of task D2 variant 20 (D2-20)
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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% |
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0.04 $ gift card for a positive review
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% |
Check your discount
Amount of purchases from the seller: $
Your discount: %
0.04 $ gift card for a positive review