Answer:
This is your answer. If I'm right so,
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In a perfectly ELASTIC collision between two perfectly rigid objects <span>both the momentum and the kinetic energy of the system are conserved.hope it helps</span>
Gravitational force is a non-contact force.
Answer:
ion is an electrically charged particle
Explanation:
there are 2 types of ions. anion an cation anion is negatively charged
cation is positively charged
Answer:
a dog walking or their phone rings or heard a neighbor talking to them