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What characterizes an elastic collision, but not an inelastic collision, in a closed system?
A. Momentum is conserved
B. Total energy is conserved
C. Kinetic energy is conserved
D. No external net force acts
I think it is B.


Sagot :

You were close, however the answer is C. Kinetic energy is conserved. In elastic collisions, kinetic energy and momentum are conserved. In an inelastic, momentum and total energy is conserved.