Dievsky V.A. - Solution of problem D2 variant 7 (D2-07)
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D2-07 Dievskiy
The rotor of the electric motor rotating at a certain angular velocity begins to be retarded by forces of aerodynamic resistance, the moment of which is equal to M = 12ω2. The moment of inertia of the rotor relative to the axis of rotation is J = 150 kg m2. Determine the angle at which the rotor rotates until the moment when its angular velocity is reduced by half.
The rotor of the electric motor rotating at a certain angular velocity begins to be retarded by forces of aerodynamic resistance, the moment of which is equal to M = 12ω2. The moment of inertia of the rotor relative to the axis of rotation is J = 150 kg m2. Determine the angle at which the rotor rotates until the moment when its angular velocity is reduced by half.
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- Added to the site 13.04.2021
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Dievsky V.A. - Solution of problem D2 variant 7 (D2-07)
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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