Physics, 17.04.2020 02:34 tylerineedhelp
A dumbbell consists of two masses m connected by a rigid rod of negligible mass and length d. A physics student takes the dumbbell and rotates it about its center of mass with an angular velocity ω, giving it an angular momentum L. The student then takes a second dumbbell, with masses 2m and length 2d, and rotates them with the same angular velocity ω. What is the angular momentum of this second dumbbell?
Answers: 1
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Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
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A dumbbell consists of two masses m connected by a rigid rod of negligible mass and length d. A phys...
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