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Physics, 21.06.2019 18:00
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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Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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Physics, 22.06.2019 09:00
One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form
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Mathematics, 02.07.2019 14:30
Mathematics, 02.07.2019 14:30
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Biology, 02.07.2019 14:30
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History, 02.07.2019 14:30
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History, 02.07.2019 14:30