kinetic energy

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Wind Turbines Keywords: kinetic energy, power, wind energy, wind turbines

Can wind turbines actually be used to harness a substantial amount of power?

The total energy available in wind and the power that can feasibly be extracted from it will be determined using the fundamentals of kinematics. Following, the limitations of location and machinery of wind turbines that restrict the amount of power that can be harnessed will be examined, before comparing the impact of wind energy with various other common sources of energy.

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7 years 19 weeks ago
Energy Use in Cars 1: Stop-and-Go Driving Keywords: efficiency, energy use in cars, fuel economy, kinetic energy, vehicle transportation

When does cycling cost more in fuel than driving?

People recommend commuting by bicycle rather than by car to save energy. However sometimes when a cyclist pushes the button to make a traffic light change, it means that a bus full of people has to stop. When a cyclist makes the bus stop like this, is the extra fuel it has to burn to get back up to speed MORE than the fuel saved by choosing to commute by bicycle rather than car?

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7 years 18 weeks ago
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