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A moving pendulum stores a certain quantity of kinetic energy, whose expression is
T = 0.5 L M w^2
where
L is the pendulum length
M the pendulum mass
w the pendulum angular velocity (radiant per second)
It is possible to device different methods to transform this energy in electrical energy, for example by charging the pendulum mass and moving it into a solenoid, much like an electrical generator.
The result is that the pendulum is slowed more and more up to stop and, while the pendulum speed decreases, electrical energy is created. The total electrical energy E that can be created is
E=T-R
where R>0 are the unavoidable losses of the system.
Wiki User
∙ 11y ago
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