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29 January, 13:04

What energy transformations take place in Joule's system?

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  1. 29 January, 13:21
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    The gravitational potential energy of the weight changes to motion energy when the weight moves down and the paddle wheel spins. The motion energy changes to thermal energy, causing the water's temperature to rise.
  2. 29 January, 13:28
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    The steam turns the turbine of an electrical generator, and the heat energy is transformed into the kinetic energy of the spinning turbine. The generator spins coils of wire in a magnetic field, transforming its kinetic energy into electrical energy.
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