Tidal energy is harnessed by capturing the energy from the rise and fall of sea levels caused by the gravitational forces of the moon and the sun. This energy can be converted into electricity using tidal turbines or tidal barrages. ...
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Biofuels are renewable energy sources derived from organic materials, such as plant biomass or animal waste. The primary sources of biofuels include crops like corn, sugarcane, and soybeans, which can be processed into bioethanol and biodiesel. Biofuels can be used ...
Nuclear power plants generate energy through the process of nuclear fission. In fission, the nucleus of a heavy atom, such as uranium-235 or plutonium-239, is split into two smaller nuclei, along with a few neutrons and a large amount of ...
Geothermal energy is the heat derived from the Earth’s interior. This energy can be harnessed by tapping into underground reservoirs of hot water and steam, which can then be used to drive turbines connected to electricity generators. Common methods of ...
From the work-energy theorem: −F⋅ s = − 1/2mv² Solving for the retarding force (F): F= 21 ⋅ smv²/s This gives the magnitude of the retarding force needed to stop the object over the displacement s.