In a hydroelectric dam, water falls 33.0m and then spins a turbine to generate electricity.
A. What is delta U of 1.0 kg of water?B. Suppose the dam is 80% efficient at converting the water's potential energy to electrical energy. How many kilograms of water must pass through the turbines each second to generate 46.0 MW of electricity?

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

What occurs during a combustion reaction

Write down two additional questions about earth's magnetic field that will make your presentation more informative.