Which is a valid velocity reading for an object? 0 45 m/s
45 m/s north
0 m/s south
0 m/s

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Copper and gold have a high electrical conductivity

Law of the conservation energy states that the energy can not be generated or destroyed, but the energy can be transformed from one form or another. the water stored has potential energy, as it flows the potential energy is transformed to kinetic energy.