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Arisa [49]
4 years ago
11

A rock can be broken down into different kinds of substances by physical processes. No chemical reactions are needed to

Physics
2 answers:
igor_vitrenko [27]4 years ago
4 0

Answer:

Mixture

Explanation:

Lelu [443]4 years ago
4 0

Answer:

b

Explanation:

i did this in class

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An atom in the ground state has a collision with an electron, then emits a photon with a wavelength of 1240 nm. What conclusion
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attached below is the free body diagram of the missing  illustration

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Explanation:

The conclusion that can be drawn about the kinetic energy of the electron is

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