physics

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1/ The great Roman Poet, Lucretius wrote, ” Things cannot be born from nothing, cannot when begottend brought back to nothing.” This statement became an accepted theory as a result of the work of the chemist, Lavoisier in the 18th centurary. This is the law of conservation of matter. Simiarly, the law of conservation of energy is an important law in physics. Can you discuss the validity of the conservation of energy in terms of potential (gravitational or elastic) and kinteic energy by giving real-life applications?

2/ Describe in detail, how the potential energy of waterfalls can be utilized to generate electricity.

remember to do your own new work and do not copy from the internet. Write two paragraphs and put the references after each paragraphs.

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