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    • https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/08%3A_Energy_Physics_and_Chemistry/8.06%3A_Kinetic_Energy_and_the_Work-Energy_Theorem
      The net work \(W_{net}\) is the work done by the net force acting on an object. Work done on an object transfers energy to the object. The translational kinetic energy of an object of mass \(m\) movin...The net work \(W_{net}\) is the work done by the net force acting on an object. Work done on an object transfers energy to the object. The translational kinetic energy of an object of mass \(m\) moving at speed \(v\) is \(KE = \frac{1}{2}mv^2\). The work-energy theorem states that the net work \(W_{net} \) on a system changes its kinetic energy, \(W_{net} = \frac{1}{2}mv^2 - \frac{1}{2}mv_0^2\).
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/02%3A_Introduction_to_Electrodynamics/2.07%3A_Power_and_energy_in_the_time_and_frequency_domains%2C_Poynting_theorem
      This page explores the Poynting theorem, which connects electric and magnetic fields to power and energy in electromagnetic systems. The text derives the theorem from Maxwell's equations, introduces t...This page explores the Poynting theorem, which connects electric and magnetic fields to power and energy in electromagnetic systems. The text derives the theorem from Maxwell's equations, introduces the Poynting vector for power flow analysis, and explains the complexities associated with multiple frequencies and reactive power.

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