By what i know i think that the answer would be A a homogeneous mixture.
The elastic potential energy of the spring is 0.31 J
Explanation:
The elastic potential energy of a spring is given by
where
k is the spring constant
x is the compression/stretching of the spring
For the spring in this problem, we have:
k = 500 N/m (spring constant)
x = 0.035 m (compression)
Substituting, we find the elastic potential energy:
Learn more about potential energy:
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To what i see, the answer is....
C.
Every atom with 15 protons in its nucleus
is an atom of Phosphorus.