Dievsky V.A. - Solution of problem D2 variant 9 (D2-09)
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D2-09 Dievskiy
The platform, rotating with an angular velocity ω0 = 3 rad / s, begins to be retarded by forces of resistance, whose moment is equal to M = 10ω (ω + 3). The moment of inertia of the platform relative to the axis of rotation is J = 435 kg m2. Determine the number of revolutions of the platform from the start of braking to its stop.
The platform, rotating with an angular velocity ω0 = 3 rad / s, begins to be retarded by forces of resistance, whose moment is equal to M = 10ω (ω + 3). The moment of inertia of the platform relative to the axis of rotation is J = 435 kg m2. Determine the number of revolutions of the platform from the start of braking to its stop.
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- Added to the site 13.04.2021
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Dievsky V.A. - Solution of problem D2 variant 9 (D2-09)
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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% |
Check your discount
Amount of purchases from the seller: $
Your discount: %
0.04 $ gift card for a positive review