There is no change will be happen in total energy, when skater moves down and up the U-shaped ramp.
What is energy ?
In order to accomplish work and to produce heat as well as light, energy must be delivered to a body or even to a physical system. Energy would be the quantitative attribute that does this.
What is total energy?
Total Energy means the sum of all final energy used at a certain branch or variable. Because energy data has been entered directly, total energy can be distinguished from overall energy intensity.
There is no change will be happen in total energy, when skater moves down and up the U-shaped ramp.
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