What type of renewable energy uses Photovoltaics cells to capture the sun's energy

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

What is the final velocity of the initial velocity of 25 and -50?

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.