Cassandra Garza

Physics

27 May, 19:46

A child is sliding down a slide at the playground. is the mechanical energy conserved. why or why not.

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

B The mechanical energy is conserved. There is as KE at the end as there was PE at the beginning

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

D. Mechanical energy is always conserved

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