Why Isn't the Energy Equation Ef=kx^2/2−mgx?

In summary, the law of conservation of energy states that energy cannot be created or destroyed, but can only be transformed from one form to another. The different forms of energy include mechanical, thermal, chemical, electrical, electromagnetic, and nuclear energy. Energy conservation helps reduce the amount of energy consumption, which in turn reduces the demand for fossil fuels. This helps mitigate air and water pollution, as well as greenhouse gas emissions, which contribute to climate change. Some ways to conserve energy at home include turning off lights and electronics when not in use, using energy-efficient appliances and light bulbs, properly insulating the home, and using natural light and ventilation when possible. Energy conservation and the use of renewable energy sources go hand in hand, as reducing energy consumption
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user5
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The mass is released at height h above the spring, how far will the spring move? Ei=mgh,Ef=kx2/2+mgx...why the second equation isn't Ef=kx2/2−mgx? Since it is below the "zero".
 

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  • #2
Your equation for Ef is correct.
 
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FAQ: Why Isn't the Energy Equation Ef=kx^2/2−mgx?

1. What is the law of conservation of energy?

The law of conservation of energy states that energy cannot be created or destroyed, but can only be transformed from one form to another.

2. What are the different forms of energy?

The different forms of energy include mechanical, thermal, chemical, electrical, electromagnetic, and nuclear energy.

3. How does energy conservation benefit the environment?

Energy conservation helps reduce the amount of energy consumption, which in turn reduces the demand for fossil fuels. This helps mitigate air and water pollution, as well as greenhouse gas emissions, which contribute to climate change.

4. What are some ways to conserve energy at home?

Some ways to conserve energy at home include turning off lights and electronics when not in use, using energy-efficient appliances and light bulbs, properly insulating the home, and using natural light and ventilation when possible.

5. How is energy conservation related to renewable energy sources?

Energy conservation and the use of renewable energy sources go hand in hand. By reducing energy consumption, the demand for non-renewable energy sources decreases, making room for the use of renewable energy sources. This helps reduce our dependence on fossil fuels and promotes a more sustainable energy future.

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