Answer:
F = 9.675Hz
Explanation:
pls for certain reasons let us make
- wavelength = $
- frequency = F
- V = velocity
3 loops : 6$/4 = L
6$/4 = 2
$ = 4/3 = 1.333
V = F x $
F = V/$
F = 12.9/1.333 = 9.675Hz
F = 9.675Hz
Answer:
correct answer is D
Explanation:
answer is perihelion and aphelion
<u>Answer</u>
atoms or molecules
<u>Explanation</u>
A pure gas such as argon or neon is made up of individual atoms. Other compound gasses such as oxygen or carbon dioxide are made up of elements.
Protons, neutrons and electrons are parts of an atom. They are not actually particles but charges.
The answer to the question is <em>atoms or molecules.</em>
