An observation of the red shift of galaxies suggests that the universe is
a.
expanding.<...
Physics, 03.01.2020 14:31 hannahbaak
An observation of the red shift of galaxies suggests that the universe is
a.
expanding.
c.
reversing.
b.
contracting.
d.
stagnant.
Answers: 2
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Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement
Answers: 3
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In a system, when potential energy decreases, then entropy also decreases. true false
Answers: 3
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Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
Answers: 3
Physics, 22.06.2019 12:00
If the new moon happens on january 15th, what shape will it be on february 6th?
Answers: 1
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