Question
This graph is an example of ____ decay.
Answer
This graph is an example of exponential decay.
The rate of decay is directly proportional to the amount present
which makes sense because all radioactive decay is a 1st order reaction
n = # of undecayed nuclei
n0 = # of undecayed nuclei at t = 0
λ = known decay constant
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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.