Physics, 16.10.2021 22:10 nadiarose6345
Complete the following sentences. an echo is the name for a reflected wave. the waves that form an echo are a typed of longitudinal wave. longitudinal waves are made up of and rarefactions.
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Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
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Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
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The researcher who studied the ability of cats to learn to escape from puzzle boxes was
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Complete the following sentences.
an echo is the name for a reflected wave. the waves that form a...
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