griffeysammy7 griffeysammy7

17-12-2020
Physics

contestada

If the total (PE+ KE) before an event is equal to the total (PE+ KE) after the
event:
A. the PE must not change.
B. PE (before) = KE (before).
C. energy is conserved.
D. the momentum does not change
PLEASE HURRY

Respuesta :

williamhillstrom williamhillstrom

17-12-2020

Answer:

C

Explanation:

Answer Link

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