Physics, 31.08.2019 16:00, live4dramaoy0yf9
Which can happen during a physical change?
a. the molecules in a substance react with other molecules.
b. the molecules in a substance are destroyed.
c. molecules can move more rapidly and freely and change states.
d. the molecules in a substance break into smaller molecules
Answers: 1
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The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
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In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
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Which can happen during a physical change?
a. the molecules in a substance react with other m...
a. the molecules in a substance react with other m...
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