Physics paper on the conservation of energy

In summary, the conservation of energy can be observed in pole vaulting. A pole vaulter begins the vault with a sprint to build up kinetic energy, which is then used during the airborne phase and converted to gravitational potential energy. The maximum vertical distance is achieved with the greatest amount of kinetic energy. As the pole vaulter falls back to the ground, potential energy is converted back into kinetic energy until the jumper comes to rest. At this point, all of the energy is converted into heat, sound, and motion upon impact with the ground. Therefore, once the pole vaulter is at rest, there is no more gravitational potential energy or kinetic energy present.
  • #1
Alethia
35
0
I'm writing a physics paper on the conservation of energy. I used the topic pole vaulting to depict the conservation of energy. This is what I have in my report.
A pole vaulter will begin his or her vault with a sprint to build up kinetic energy, also known as motion energy. The kinetic energy will then be used once the pole vaulter is airborne, then converted to gravitational potential energy. The greatest kinetic energy will result in the maximum vertical distance. Once the pole vaulter reaches the highest point in air, his or her kinetic energy will be zero, but his or her potential energy will reach its maximum. As the pole vaulter falls back to the ground, his or her potential energy is then converted into kinetic energy until the jumper comes to rest. When the pole vaulter is at rest, he or she posses potential energy that has been converted from the kinetic energy.
I'm not 100% sure if what I have is correct, but I believe it to be. Would you please read over the information and make sure that it is valid?
 
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  • #2
You're all fine and dandy until you get to this point:

As the pole vaulter falls back to the ground, his or her potential energy is then converted into kinetic energy until the jumper comes to rest. When the pole vaulter is at rest, he or she posses potential energy that has been converted from the kinetic energy.

As the pole vaulter falls, he/she definitely does trade GPE for KE, and continues to do so allll the way down until he/she smacks into the ground.

At that point, all the energy of his/her motion is converted into heat and sound and flying sand.

Once he/she is back on the ground, he/she possesses no more GPE. If he/she is also no longer moving, she possesses no more KE either. She gave up all her energy when she collided with the ground.

- Warren
 
  • #3


Your understanding of the conservation of energy in the context of pole vaulting is correct. The key concept here is that energy cannot be created or destroyed, but it can be converted from one form to another. In the case of pole vaulting, the vaulter's initial sprint converts into kinetic energy, which is then converted into potential energy as they reach the highest point of their jump. As they come back down to the ground, the potential energy is once again converted into kinetic energy until they come to rest.

One thing to note is that in reality, some energy is lost due to factors such as air resistance and friction. This is why the vaulter does not reach the same height on their descent as they did on their ascent. However, the overall principle of conservation of energy still applies.

Overall, your understanding and explanation of the conservation of energy in the context of pole vaulting is accurate. Good job on your physics paper!
 

1. What is the conservation of energy?

The conservation of energy is a fundamental principle in physics that states that energy cannot be created or destroyed, but can only be transferred or transformed from one form to another.

2. How does the conservation of energy apply to everyday life?

The conservation of energy applies to everyday life in many ways, such as when we use electricity to power our devices or when we throw a ball and it comes back down due to the force of gravity. It is a concept that governs all physical processes.

3. What are some examples of energy transformation in the conservation of energy?

Some examples of energy transformation in the conservation of energy include the conversion of chemical energy in food into mechanical energy in our bodies, the conversion of potential energy into kinetic energy when an object falls, and the conversion of electrical energy into light energy in a light bulb.

4. How is the law of conservation of energy related to the first law of thermodynamics?

The law of conservation of energy is closely related to the first law of thermodynamics, which states that energy cannot be created or destroyed in a thermodynamic system. The first law of thermodynamics is a more specific application of the broader principle of the conservation of energy.

5. What are some real-world applications of the conservation of energy?

The conservation of energy has many practical applications, such as in the design of energy-efficient buildings, the development of renewable energy sources, and the understanding of climate change. It is also used in various engineering and technological fields to optimize energy usage and reduce waste.

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