Answer:
Kinetic energy is the energy of motion so to figure out that it’s not changing is if the object is still moving. If it’s staying still or is at rest, it is presenting potential energy, which is when energy is being stored inside the object.
214, 84 Po ----Beta decay
Answer:
do i care lol LOOK AT THIS
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Answer:
26.4 960 for the first one
8.9569 for the second one