The basic concept of how a simple motor works is explained by which statement?
a) when...
The basic concept of how a simple motor works is explained by which statement?
a) when a fan blows on a wire, it causes it to spin, creating a force.
b) when a fan blows on a wire, it causes it to spin, creating an electrical current.
c) when a wire that carries electrical current is placed in zero gravity, the wire experiences a force.
d) when a wire that carries electrical current is placed in a magnetic field, the wire experiences a force.
Answers: 3
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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