A child is sliding down a slide at the playground. Is the mechanical energy conserved? Why or why not? Mechanical energy is always conserved. The mechanical energy isn't conserved. Some energy is lost to gravity. The mechanical energy is conserved. There is as much KE at the end as there was PE at the beginning. The mechanical energy isn't conserved. Some energy is lost to friction.

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Navarro

1 February, 11:31

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Curtis Harding · Answer 1

The mechanical energy isn't conserved. Some energy is lost to friction