Question
____ is when an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle or beta particle.
Answer
Radioactive decay is when an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle or beta particle.
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____ are physical quantities that have both magnitude and direction .
Vectors are physical quantities that have ____ .
____ are quantities that have only a magnitude .
Scalars are quantities that have ____.
For vector addition , use the ____.
For vector ____, use the tip-to-tail method, or you can break the vector into its component parts and use the Pythagorean Theorem.