eldercunningham
28.06.2019 •
Physics
What is the law of conservation of energy? a) energy cannot be created, but can be destroyed as it transforms. b) energy can be created and destroyed as it converts to other forms. c) energy can be created and lost as heat as it converts to other forms. d) energy cannot be created nor destroyed only transformed to other forms.
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Ответ:
the answer is d because energy cannot be created nor destroyed, only changed
Ответ:
spiral galaxies have arms that rotate around the core
a globular cluster is a circular collection of stars that rotates a core
they both rotate cores